Asus Zenfone 8 vs Apple iPhone 12

Here we compared two flagship smartphones: the 5.9-inch Asus Zenfone 8 (with Qualcomm Snapdragon 888) that was released on May 12, 2021, against the Apple iPhone 12, which is powered by Apple A14 Bionic and came out 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Asus Zenfone 8
  • Higher display refresh rate – 120 Hz
  • Comes with 1185 mAh larger battery capacity: 4000 vs 2815 mAh
  • Modern USB Type-C port
  • Newer Bluetooth version (v5.2)
  • Fingerprint scanner
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • 13% better performance in AnTuTu Benchmark (837K versus 740K)
  • Delivers 23% higher peak brightness (793 against 644 nits)
  • Slow-motion recording at 480FPS
  • Has 2 SIM card slots
Reasons to consider the Apple iPhone 12
  • Shows 40% longer battery life (32:28 vs 23:13 hours)
  • Supports wireless charging up to 7.5W
  • Apple releases software updates and supports their phones a few years longer than Asus
  • 45% faster in single-core GeekBench 5 test: 1607 and 1110 points
  • Ready for eSIM technology

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type Super AMOLED OLED
Size 5.9 inches 6.1 inches
Resolution 1080 x 2400 pixels 1170 x 2532 pixels
Aspect ratio 20:9 19.5:9
PPI 446 ppi 460 ppi
Refresh rate 120 Hz 60 Hz
Max rated brightness 600 nits 625 nits
Max rated brightness in HDR 1100 nits -
HDR support Yes, HDR10+ Yes, Dolby Vision
Screen protection Gorilla Glass Victus Ceramic Shield
Screen-to-body ratio 82.9% 86%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
Display tests
RGB color space 99.9% 99.4%
PWM 495 Hz 226 Hz
Response time 3.2 ms 16 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Zenfone 8 +23%
793 nits
644 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 148 mm (5.83 inches) 146.7 mm (5.78 inches)
Width 68.5 mm (2.7 inches) 71.5 mm (2.81 inches)
Thickness 8.9 mm (0.35 inches) 7.4 mm (0.29 inches)
Weight 169 gramm (5.96 oz) 164 gramm (5.78 oz)
Waterproof IP68 IP68
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver White, Black, Blue, Green, Red
Fingerprint scanner Yes, in-display No
Screen-to-body ratio
82.9%
iPhone 12 +4%
86%

Performance

Tests of Asus Zenfone 8 and Apple iPhone 12 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 888 Apple A14 Bionic
Max. clock 2840 MHz 3100 MHz
CPU cores 8 (1 + 3 + 4) 6 (2 + 4)
Architecture - 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
- 4 cores at 1.8 GHz: Icestorm
- 2 cores at 3.1 GHz: Firestorm
L3 cache 4 MB -
Lithography process 5 nanometers 5 nanometers
Graphics Adreno 660 Apple GPU
GPU clock 840 MHz -
FLOPS ~1720 GFLOPS -
Memory
RAM size 6, 8, 12, 16 GB 4 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz -
Channels 2 2
Storage
Storage size 128, 256 GB 64, 128, 256 GB
Storage type UFS 3.1 NVMe
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
1110
iPhone 12 +45%
1607
Geekbench 5 (Multi-Core)
3596
iPhone 12 +13%
4056
AnTuTu Benchmark 9
Zenfone 8 +13%
837100
740889
CPU 210328 197694
GPU 314992 314303
Memory 135761 103330
UX 164712 127922
Total score 837100 740889
3DMark Wild Life Performance
5647
iPhone 12 +35%
7612
Stability 58% 77%
Graphics test 33 FPS 45 FPS
Graphics score 5647 7612
PCMark 3.0 score 15984 -
Sources: 3DMark [3], [4]

Software

Operating system Android 11 (Can be upgraded to Android 12) iOS 14.1 (Can be upgraded to iOS 16.1.1)
ROM ZenUI 8 -
OS size 16 GB 7 GB

Battery

Specifications
Capacity 4000 mAh 2815 mAh
Charge power 30 W 18 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No Yes (7.5 W)
Reverse charging Yes No
Fast charging Yes, Quick Charge 5 (60% in 30 min) Yes (58% in 30 min)
Full charging time 1:28 hr 1:30 hr
Battery life tests
Web browsing 06:46 hr 11:23 hr
Watching video 12:35 hr 12:11 hr
Gaming 03:24 hr 05:11 hr
Standby 77 hr 119 hr
General battery life
23:13 hr
iPhone 12 +40%
32:28 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 12 megapixels
Image resolution 9000 x 7000 4032 x 3024
Zoom Digital Digital
Flash Dual LED Quad LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 480 FPS (720p) 240 FPS (1080p)
Angle of widest lens 112° 120°
Lenses 2 (64 MP + 12 MP) 2 (12 MP + 12 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.7", Sony IMX686 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 12 MP
- Aperture: f/1.6
- Focal length: 26 mm
- Pixel size: 1.4 micron
- Sensor: 1/3.4", Sony IMX372 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 14 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX363 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 12 MP
- Aperture: f/2.4
- Focal length: 13 mm
- Sensor: 1/3.6" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Samples Photo samples of Asus Zenfone 8 from DxOMark Photo samples of Apple iPhone 12 from DxOMark
Selfie camera
Megapixels 12 megapixels 12 megapixels
Image resolution 4290 x 2800 4032 x 3024
Aperture f/2.5 f/2.2
Focal length 28 mm 23 mm
Pixel size 1.22 microns -
Sensor type Exmor-RS CMOS BSI CMOS
Sensor size 1/2.93" -
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 60 FPS

DxOMark camera tests

Photo quality
126
iPhone 12 +5%
132
Video quality
108
iPhone 12 +4%
112
Generic camera score
120
iPhone 12 +2%
122

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C No
USB version 3.1 -
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Galileo, QZSS
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 1
Type of SIM card Nano Nano
Multi SIM mode Standby -
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 20 18
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack Yes No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
Zenfone 8 +7%
86.7 dB
81.1 dB

Other

Category Flagship Flagship
Announced May 2021 October 2020
Release date May 2021 October 2020
SAR (head) - 0.99 W/kg
SAR (body) - 0.99 W/kg
Sensors - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Face recognition sensor
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display and connectivity are more important to you, then choose the Asus Zenfone 8. But if the software, battery life, camera, and design are more of a priority – go for the Apple iPhone 12.

Cast your vote

So, which phone would you choose?
92 (89.3%)
11 (10.7%)
Total votes: 103

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