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Asus Rog Phone 3 Zs661Ks
Specifications
Price in Bangladesh
| Unofficial Unofficial prices and phones are available only non authorized shops. The device does not come with an official warranty in Bangladesh. | 12GB 128GB ৳54,000 / 12GB 256GB SD 865 65,000 / 12GB 512GB GB 80,000 |
General
| Device Type | Smartphone |
| Model | ASUS_I003D, ZS661KS |
| Announced | July, 2025 |
| Released | July, 2025 |
| Status | Available |
Hardware & Software
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android |
| OS Version | v10 |
| User Interface UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface. | ROG UI |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Qualcomm Snapdragon 865 Plus |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core (1x3.10 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 7 nm |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Adreno 650 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 12 GB, 16 GB |
Design
| Dimensions | 171 x 78 x 9.9 mm (6.73 x 3.07 x 0.39 in) |
| Weight | 240 g (8.47 oz) |
| Colors |
Black Glare |
| Build Material | Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | AMOLED |
| Size | 6.59 inches (16.74 cm) |
| Resolution | 1080x2340 px (FHD+) |
| Aspect Ratio | 19.5:9 |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 391 ppi |
| Screen to Body Ratio | 79.75 % |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 650 nits |
| Refresh Rate | 144 Hz |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Triple |
| Main Camera | 64 MP |
| Second Camera | 13 MP |
| Third Camera | 5 MP |
| Autofocus | Phase Detection autofocus |
| OIS | |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | LED Flash |
| Image | 9000 x 7000 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/1.8 |
| Camera Features |
Auto Flash, Face detection, Touch to focus |
| Video | 4K@30/60fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS (except @240/480fps) |
| Video Recording Features | 7680x4320, 3840x2160, 1920x1080, 1280x720 |
| Video FPS | 480 fps |
Front Camera
| Camera Setup | Single |
| Secondary |
24 MP, f/2.0, 27mm (wide), 0.9µm |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | Screen flash |
| Aperture | f/2.0 |
| Video | 1080p@30fps |
| Video FPS | 30 fps |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Placement | Non-removable |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 6000 mAh |
| Quick Charging | Hyper, v4.0, 30W |
| Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. |
10W reverse wired |
| USB Type-C | USB Type-C 3.1 |
| Standby Standby Time is the total amount of time that you can leave your is fully charged, turned on and ready to send and receive calls or data transmissions before completely discharging the battery. | Up to 524 Hours(4G) |
| Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 38.6 Hours(4G) |
Storage
| Storage Type | UFS 3.0 |
| Storage Capacity | 128 GB, 256 GB, 512 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - A version |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version |
| 5G Network |
1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79 SA/NSA - A version |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Standard SIM |
Data
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat20 2000/150 Mbps, 5G 4.4 Gbps DL |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Messaging
| SMS SMS (Short Messaging Service) is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow mobile phone devices to exchange short text messages over the networks. | Yes |
| MMS MMS (Multimedia Messaging Service) is a standard way to send messages that include multimedia content (audio clips, video clips and images) to and from mobile phones over wireless networks using the WAP protocol. | |
| Email Email (Electronic Mail) is a system for receiving, sending, and storing electronic messages, Similar to a letter, email is text messages that may contain files, images, or other attachments sent via the internet to a recipient by using applications and software prograps. An email address is required to receive email, and that address is unique to the user. | Yes |
| IM IM (Instant Messaging) is an exchange of text messages through a software application, it enable you to create a kind of private chat room with another individual in order to communicate in real time over the Internet. | Yes |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | 5.1, A2DP, LE, aptX HD |
| Wi-fi Hotspot | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | |
| USB | Two (side 3.1, bottom 2.0) Type-C 1.0 reversible connector; accessory connector |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Media
| FM Radio | No |
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | Yes |
Sensors & Security
| Fingerprint Sensor | |
| Fingerprint Sensor Position | On-screen |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
| Face Unlock | Yes |
More
| Made By | Taiwan |
Performance Tests
Asus ROG Phone 3 ZS661KS Price in Bangladesh
The Asus ROG Phone 3 ZS661KS is priced competitively in Bangladesh, starting at around ৳54,000 for the 12GB RAM with 128GB storage variant. The higher storage options include 12GB RAM with 256GB priced approximately at ৳65,000 and the top-end 12GB RAM with 512GB storage version available for about ৳80,000. This positions the device firmly in the flagship category, targeting gamers and power users who want the best performance without compromising on features.
Launched in July 2020, the Asus ROG Phone 3 is a powerhouse designed primarily for gaming enthusiasts. It boasts a striking 6.59-inch AMOLED display with a blazing-fast 144Hz refresh rate, delivering buttery smooth visuals. Powered by the Qualcomm Snapdragon 865 Plus chipset and up to 16GB of RAM, the phone handles intense gaming and multitasking with ease. The camera setup is versatile, featuring a 64MP main sensor that excels in both photography and video recording. Backed by a massive 6000mAh battery and equipped with fast charging, it ensures long-lasting usage. Its gamer-centric design, coupled with a robust software experience, makes it a standout flagship in its price range.
Asus ROG Phone 3 ZS661KS Specifications
Display and Design
The Asus ROG Phone 3 features a 6.59-inch AMOLED display that delivers vibrant colors and deep blacks, perfect for immersive gaming and media consumption. It sports a Full HD+ resolution of 1080 x 2340 pixels, providing a sharp 391 ppi pixel density. One of its most impressive features is the ultra-smooth 144Hz refresh rate, making animations and gameplay incredibly fluid. The screen supports HDR10 and HDR+, enhancing the dynamic range for supported content.
Built with durability and premium feel in mind, the device uses Gorilla Glass on both front and back with a sturdy aluminum frame. Measuring 171 x 78 x 9.9 mm and weighing 240 grams, the phone feels solid and ergonomic despite its large size. Its “Black Glare” color variant adds a sleek aesthetic tailored for gamers, combining aggressive lines with subtle elegance.
Performance and Processor
Under the hood, the Asus ROG Phone 3 packs the Qualcomm Snapdragon 865 Plus chipset, built on a 7nm process for efficient power consumption and blazing speed. The octa-core CPU features a tri-cluster setup: one Cortex-A77 core clocked at 3.1 GHz, three Cortex-A77 cores at 2.42 GHz, and four energy-efficient Cortex-A55 cores at 1.8 GHz. Paired with the Adreno 650 GPU, the device handles graphics-intensive tasks like gaming with exceptional smoothness.
The phone offers generous RAM options, 12GB or even up to 16GB, ensuring seamless multitasking and rapid app switching. Storage options include 128GB, 256GB, and 512GB variants, all using ultra-fast UFS 3.0 technology for speedy data access. Although there’s no microSD card slot, the ample storage and high performance make it ideal for gamers and heavy users.
Camera and Video
The rear camera setup is a versatile triple-camera array. The primary shooter is a 64MP sensor with an f/1.8 aperture and phase detection autofocus, enabling sharp and detailed photos even in low light. Supporting cameras include a 13MP secondary sensor for ultrawide shots and a 5MP sensor for macro photography, covering various shooting scenarios.
Asus has equipped the ROG Phone 3 with robust video recording features, including 4K video capture at 30 or 60fps, plus slow-motion modes like 1080p at 240fps and 720p at 480fps. Gyro-EIS stabilization (except for the slow-motion modes) ensures steady footage. The phone also offers high-resolution image capture up to 9000 x 7000 pixels and shooting modes such as HDR and continuous shooting.
On the front, a 24MP selfie camera with an f/2.0 aperture and 27mm wide lens takes crisp selfies and supports 1080p video recording at 30fps. A screen flash assists in low-light selfies, rounding out a well-balanced camera experience for both photography and video calls.
Battery and Charging
The Asus ROG Phone 3 houses a massive 6000mAh lithium-ion battery that easily supports extended gaming sessions and daily heavy usage. It supports HyperCharge fast charging at 30W, allowing quick power-ups to keep you playing without long interruptions. Additionally, the device offers 10W reverse wired charging, which can be handy to power other devices.
In terms of endurance, the phone impresses with up to 38.6 hours of talk time on 4G and standby times reaching 524 hours. This makes it one of the best performers in its class for battery life, striking a balance between capacity and power efficiency.
Connectivity and 5G Support
Connectivity options on the ROG Phone 3 are comprehensive. It supports a wide range of 2G, 3G, 4G, and 5G network bands, including 5G SA and NSA for future-proof, ultra-fast internet speeds. The device uses a single standard SIM slot but offers dual SIM support through a hybrid slot.
Other connectivity features include Bluetooth 5.1 with aptX HD for high-quality audio streaming, dual-band Wi-Fi, USB Type-C 3.1, and NFC for contactless payments. The phone also supports GPS with multiple satellite systems such as A-GPS, GLONASS, BDS, GALILEO, and QZSS, ensuring precise location tracking.
Additional Features
The Asus ROG Phone 3 is equipped with an on-screen fingerprint sensor for quick and secure unlocking, along with face unlock capabilities. The handset runs Android 10 out of the box with the custom ROG UI tailored for gamers, featuring specialized performance tweaks and gaming-centric options.
Additional sensors include light sensor, proximity sensor, accelerometer, compass, and gyroscope. The device boasts stereo speakers with enhanced audio tuning for an immersive sound experience, and it retains the 3.5mm headphone jack — a rarity in flagship phones nowadays. While it lacks official water resistance ratings, its build quality and cooling solutions make it robust for everyday use.
Reason to Buy
- Top-tier gaming performance: Snapdragon 865 Plus chipset combined with 12GB/16GB RAM offers seamless gameplay and multitasking.
- Smooth, vibrant display: 6.59-inch AMOLED panel with a 144Hz refresh rate delivers fluid visuals ideal for gaming and media.
- Massive battery life: 6000mAh battery with fast charging supports long sessions without frequent recharges.
- Versatile camera setup: 64MP main sensor with ultra-wide and macro lenses plus strong video recording capabilities.
- Gamer-focused features: ROG UI, stereo speakers, and cooling system enhance the gaming experience.
- Extensive connectivity: Comprehensive 5G support, Bluetooth 5.1, NFC, and more for modern wireless needs.
Verdict
The Asus ROG Phone 3 ZS661KS is an outstanding flagship device designed primarily for mobile gamers and power users who demand top performance and excellent battery life. Its standout AMOLED display with a 144Hz refresh rate, combined with a powerful Snapdragon 865 Plus processor and a large 6000mAh battery, makes it ideal for immersive gaming and heavy multitasking. The camera system is versatile enough for daily photography needs, while the overall design exudes a gamer-centric aesthetic without sacrificing usability. If you’re looking for a flagship phone in Bangladesh that balances speed, display quality, and battery endurance with gamer-friendly features, the ROG Phone 3 is an excellent choice.
FAQ
Q: Does the Asus ROG Phone 3 support 5G networks in Bangladesh?
A: Yes, the device supports multiple 5G bands, including SA and NSA modes, ensuring future-ready connectivity.
Q: Can the storage be expanded with a microSD card?
A: No, the Asus ROG Phone 3 does not have expandable storage, so choose your preferred storage option carefully.
Q: What gaming features does the ROG UI offer?
A: ROG UI includes performance tuning, game-specific settings, and enhanced cooling management to optimize gaming experiences.
Q: Does the phone support wireless charging?
A: The ROG Phone 3 supports 30W wired fast charging and 10W reverse wired charging but does not offer traditional wireless charging.
Q: Is the display protected against scratches?
A: Yes, both the front and back glass are protected with Gorilla Glass, adding durability against everyday wear.
Reviews
Disclaimer Note
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