Asus Zenfone 8

Asus May 13, 2021

Overview

The Asus Zenfone 8 is a 2021-05-13 flagship smartphone from Asus, available in elegant Obsidian Black, Horizon Silver. Powered by Android 11 (upgradable to 13 for extended software support), featuring the Qualcomm Snapdragon 888 (5nm process). The device showcases a premium 5.9" Oled display with crisp 1080 x 2400 px resolution (445 ppi pixel density), delivering ultra-smooth visuals with a 120 HzHz refresh rate and impressive peak brightness of 1100 nits, protected by the latest Corning Gorilla Glass Victus for ultimate durability. For smooth multitasking performance, it offers 8GB high-speed RAM LPDDR5 RAM, with multiple storage configurations available: 6GB RAM + 256GB storage, 8GB RAM + 128GB storage, 8GB RAM + 256GB storage, 12GB RAM + 256GB storage, 16GB RAM + 256GB storage, complemented by the Adreno 660 GPU for capable graphics performance. The professional-grade camera system features an impressive 64MP Standard main sensor with a wide f/1.8 aperture for exceptional low-light performance, complemented by a 12MP Wide Angle + Macro for close-up details. For self-portraits, it features a quality 12MP front-facing camera for clear selfies. Power management is handled by a robust 4000 mAh Li-Polymer battery, supporting 30W fast charging.

Hardware & Performance

ProcessorQualcomm Snapdragon 888, Octa-Core, 5 nm process, Max 2.84 GHz, 64-bit architecture
CPU Configuration
GraphicsAdreno 660
Memory8GB RAM (RAM LPDDR5), 128GB Storage (UFS Storage 3.1)
Performance891,700 AnTuTu score (v10)
Additional FeaturesHi-Res Audio, Noise cancellation microphone, Stereo Speakers, 3 microphones
891,700
AnTuTu Score
8GB
RAM
128GB
Storage
2.84 GHz
Max CPU Speed
Powered by the advanced Qualcomm Snapdragon 888 built on 5 nm process with 64-bit architecture, reaching speeds up to 2.84 GHz
Enhanced visual performance with Adreno 660 graphics, delivering smooth gaming and multimedia experience
Equipped with 8GB RAM LPDDR5 RAM and 128GB UFS Storage 3.1 storage
Remarkable high-end performance with an impressive AnTuTu score of 891,700 (version v10)
Premium audio experience with Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 3 microphones
Experience exceptional performance with this powerful hardware configuration, featuring advanced processing capabilities, optimized graphics, and comprehensive memory management for demanding applications and smooth multitasking.

Camera Features

Video Resolution
  • 8K
  • 4K
  • 1080p
  • 720p
Frame Rates
  • 24fps
  • 30fps
  • 60fps
  • 120fps
  • 240fps
  • 480fps
Video Features
  • HDR
  • EIS

The Asus Zenfone 8 features a 2-camera setup with a 64MP Standard main sensor (f/1.8) of 1/1.7" size and 0.80 µm pixel size. The Asus Zenfone 8 also includes a 12MP Wide Angle + Macro (f/2.2). For selfies, the Asus Zenfone 8 uses a 12MP front camera with f/2.45 aperture featuring 1/2.93" sensor size and 1.22 µm pixel size. The Asus Zenfone 8's camera system includes 4K Video, 8K Video, Digital zoom.

DxOMark Scores

Mobile Camera DxOMark Scores

116
Overall
120
Photo
118
Video

Camera details

Rear Camera

Resolution: 64 MP
Aperture: f/1.8
Sensor Model: Sony IMX686 Exmor RS
Sensor Type: CMOS
Pixel Size: 0.80 µm
Pixel Binning: 1-4 (2x2)
Sensor Size: 1/1.7"

Resolution: 12 MP
Aperture: f/2.2
Sensor Model: Sony IMX363 Exmor RS
Sensor Type: CMOS BSI
Pixel Size: 1.40 µm
Sensor Size: 1/2.55"

Selfie Camera

Resolution: 12 MP
Aperture: f/2.45
Sensor Model: Sony IMX663
Sensor Type: CMOS
Pixel Size: 1.22 µm
Sensor Size: 1/2.93"

Additional Features

Extra:
  • 78,3 º lens both cameras
  • Second camera depth, macro (up to 4cm), night and panoramic mode.
  • Video 4K up to120fps
  • Video 8K 24fps
Flash:
  • LED
Optical Stabilisation:
  • Yes
Slow Motion Video:
  • Yes, 480 fps
Features:
  • 4K Video
  • 8K Video
  • Digital zoom
  • Dual camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW

Display

Size5.9"
TypeOled
Resolution1080 x 2400 px
Pixel Density445 ppi
Aspect Ratio20:9
Refresh Rate120 Hz
BrightnessPeak: 1100 nits
Contrast RatioN/A
HDR SupportHDR10, HDR10+
ProtectionCorning Gorilla Glass Victus
Additional Features
  • Hole-punch Notch
  • DCI-P3
  • Full sRGB standard
  • 105% NTSC
  • Color LED Notifications
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless

The Asus Zenfone 8 features a 5.9" Oled display with 1080 x 2400 px resolution (445 ppi pixel density) in 20:9 aspect ratio. The display offers peak brightness of 1100 nits. It delivers smooth 120 Hz refresh rate. The screen supports advanced HDR formats including HDR10, HDR10+. Display protection is provided by Corning Gorilla Glass Victus. User-centric features include hole-punch notch, multi-touch. Technical capabilities include dci-p3, full srgb standard, 105% ntsc, color led notifications, capacitive, frameless. Additional protection features include scratch resistant.

Review

The Pocket Rocket: My Take on the Asus Zenfone 8

I've spent the better part of three weeks living with the Asus Zenfone 8, and I have to say, it's a breath of fresh air in a market saturated with ever-growing slabs. Coming in at a competitive price point, it targets those who value power and portability above all else. My testing involved everything from daily tasks and media consumption to demanding gaming sessions and photography excursions, and it's safe to say this phone has carved out a unique space for itself. My initial impression? It's a phone that understands its priorities and executes them remarkably well.

Market Context: A Deliberate Stand Out

In a world where flagship phones are often measured by their screen size, the Zenfone 8 feels like a deliberate rebellion. Asus has carved a niche for themselves here, offering top-tier performance in a genuinely compact form factor. It’s a bold move, and one that I think will resonate with a specific segment of users tired of phone-induced hand fatigue. Strategically, it positions Asus as a brand willing to cater to different needs, not just chasing the "bigger is better" trend. The price point feels considered too, undercutting some of the larger flagships while still packing a comparable punch.

Design & Hardware: Small Stature, Big Impression

The first thing you notice about the Zenfone 8 is its size. It's genuinely small, with its 5.9-inch display making it incredibly pocketable and easy to wield one-handed. Measuring in at 148mm tall and 68.5mm wide, it feels almost dainty compared to some of the behemoths I've been testing recently. This compact design isn't just about dimensions though; it feels incredibly well-built. The materials used give it a premium feel in hand, and there's a reassuring solidity to it. While I haven't put it through any drop tests (and wouldn't recommend you do!), it feels like it could handle the daily bumps and scrapes. For someone who appreciates a phone that doesn't dominate your pocket or hand, the Zenfone 8's design is a major win.

Display: Vibrant and Smooth

Don't let the smaller size fool you; the display on the Zenfone 8 is excellent. The Super AMOLED panel with its 120Hz refresh rate is a joy to use. Scrolling through social media feeds is buttery smooth, and the colors are vibrant and punchy without being oversaturated. I've found that the brightness is more than adequate, even under direct sunlight – a crucial factor for anyone who spends time outdoors. Media consumption is enjoyable, though the smaller screen can feel a tad cramped for extended viewing sessions. Gaming, however, feels surprisingly immersive, with the smooth refresh rate and vibrant colors drawing you in. For daily use, it's a fantastic display that punches above its weight class.

Performance: Flagship Power, No Compromises

Under the hood, the Zenfone 8 boasts the Qualcomm Snapdragon 888, and it shows. In my testing, this phone handled everything I threw at it with ease. Demanding games ran flawlessly, multitasking between numerous apps was seamless, and even heavy browser usage didn't cause it to break a sweat. I ran through several intense gaming sessions, and the phone remained responsive throughout. It's worth noting that it can get a little warm under heavy load, but it never reached uncomfortable levels or impacted performance in my experience. This phone proves that you don't need a massive device to pack flagship-level performance.

Camera System: Capable and Reliable

The camera system on the Zenfone 8 consists of a dual setup on the rear: a 64MP main lens and a 12MP ultrawide. My experience taking photos has been largely positive. The main camera captures sharp images with good detail and vibrant colors, as evidenced by a particularly striking sunset photo I snapped recently. The ultrawide lens is handy for capturing wider scenes, although I did notice a slight difference in color rendition compared to the main sensor. Video recording is also impressive, capable of shooting up to 4K at 120fps, providing plenty of flexibility for capturing smooth and detailed footage. The 12MP front-facing camera also delivers surprisingly crisp and clear selfies. While it might not compete with the absolute top-tier camera phones, for everyday use and capturing memories, the Zenfone 8's camera system is more than capable.

Battery & Charging: A Few Trade-offs

Battery life is where the Zenfone 8 presents a bit of a trade-off for its compact size. The 4000mAh battery generally got me through a full day of moderate use, but on heavier days, I found myself reaching for the charger in the late evening. While the endurance is decent, it’s not class-leading. The 30W fast charging is a welcome addition, quickly topping up the battery when needed. I was able to get a significant charge in a relatively short amount of time, which is convenient. Personally, I do miss having wireless charging, a feature becoming increasingly common in this price range.

Software: Clean and Functional

The Zenfone 8 runs on Android, and Asus has thankfully kept the software experience relatively clean and close to stock. I appreciate that they haven't overloaded it with unnecessary bloatware. During my testing period, I received a couple of OS updates, which is always a positive sign and demonstrates ongoing support from Asus. The interface is intuitive and easy to navigate, making for a pleasant daily user experience.

Value Analysis: Pocketable Power for the Pragmatist

The Zenfone 8 presents a compelling value proposition for a specific type of user. If you prioritize a powerful, compact phone that excels at everyday tasks and can handle demanding applications without breaking a sweat, and you're comfortable with charging it daily, then this phone is a strong contender. However, if a massive screen is a must-have or if you require exceptional battery life that lasts for days, you might want to explore other options. Compared to other phones in its price range, the Zenfone 8 stands out for its unique combination of size and performance.

Conclusion: A Compact Champion

Ultimately, the Asus Zenfone 8 is a phone that knows what it is and executes its mission effectively. It’s a powerful, pocketable device that delivers a premium experience without the unwieldy dimensions of many modern flagships. While the battery life could be better and the lack of wireless charging is a minor drawback, the overall package is impressive. If you're looking for a high-performing phone that won't weigh you down, literally or figuratively, the Asus Zenfone 8 is definitely worth considering. I’ve genuinely enjoyed my time with it, and I think many others seeking a more manageable flagship will too.

Basic Information

Asus Zenfone 8
BrandAsus
ModelAsus Zenfone 8
Launch DateThursday, May 13, 2021
Release Year2021
Dimensions148 × 68.5 × 8.9 mm
Weight169 g
Volume90.23 cm³
Available Colors
  • Obsidian Black
  • Horizon Silver

Asus Zenfone 8 was released on Thursday, May 13, 2021. The phone measures 148 × 68.5 × 8.9 mm with a volume of 90.23 cm³ and weighs 169g. It features a 5.9" Oled display with 1080 x 2400 px resolution (445 ppi pixel density) and 120 HzHz refresh rate. The device is available in the following colors: Obsidian Black, Horizon Silver.

Battery

Capacity4000 mAh
TypeLi-Polymer
Fast Charging30W
Wireless ChargingN/A
Features
  • Non-removable
Additional InfoN/A

The Asus Zenfone 8 is equipped with a 4000 mAh Li-Polymer battery. It features fast charging at 30W. The battery system includes non-removable.

Software

OSAndroid
OS Version11
Max OS Version13

The Asus Zenfone 8 runs on Android 11 and is upgradable to 13. It is powered by the Qualcomm Snapdragon 888 chipset .

Connectivity

WiFi
WiFi Standards
802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, WiFi 6 (802.11ax)
Other WiFi Features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
BluetoothBluetooth 5.2 LE Low energy consumption
Bluetooth Features
AVRCP (Audio/Visual Remote Control Profile), HID (Human Interface Profile), LE (Low Energy), OPP (Object Push Profile), APT-x, LDAC, SBC, AAC
GPS
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
Network Bands
5G

n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n28b (700), n28a (700), n38 (2600), n77 (3700), n78 (3500)

4G LTE

B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500)

3G

B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)

2G

B2 (1900), B3 (1800), B5 (850), B8 (900)
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)
USB
Charging, Mass Storage, USB OTG, USB Host, USB Type-C
NFCYes
Experience lightning-fast wireless connectivity with 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, WiFi 6 (802.11ax), enhanced by advanced features including Dual band, Hotspot, Direct, Display, MiMO
Seamless device connectivity through Bluetooth 5.2 LE Low energy consumption, offering enhanced capabilities like AVRCP (Audio/Visual Remote Control Profile), HID (Human Interface Profile), LE (Low Energy), OPP (Object Push Profile), APT-x, LDAC, SBC, AAC
Stay connected globally with Dual SIM Dual Standby (Nano SIM + Nano SIM) card support
Versatile connectivity options including Charging, Mass Storage, OTG, Host, USB Type-C
Convenient NFC technology for contactless payments and instant device pairing
Comprehensive network coverage with support for 5G connectivity, 4G LTE connectivity, 3G connectivity, 2G connectivity
This device is optimized for global network compatibility, ensuring reliable connectivity across different regions and carriers.

Sensors

Security Sensors
  • Fingerprint (under display)
Motion Sensors
  • accelerometer
  • gyro
Environmental Sensors
  • proximity
  • compass
Health SensorsN/A

For security, the Asus Zenfone 8 features fingerprint (under display). Motion tracking is handled by accelerometer gyro. Environmental monitoring includes proximity compass.