Asus Zenfone 8 vs Apple iPhone 13

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 13, which is powered by Apple A15 Bionic and came out 4 months after. 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 773 mAh larger battery capacity: 4000 vs 3227 mAh
  • Newer Bluetooth version (v5.2)
  • Fingerprint scanner
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • Slow-motion recording at 480FPS
  • Has 2 SIM card slots
Reasons to consider the Apple iPhone 13
  • Shows 56% longer battery life (36:13 vs 23:13 hours)
  • Better camera quality (According to DxOMark rating)
  • Supports wireless charging up to 7.5W
  • Apple releases software updates and supports their phones a few years longer than Asus
  • 54% faster in single-core GeekBench 5 test: 1714 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 800 nits
Max rated brightness in HDR 1100 nits 1200 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% 129%
PWM 495 Hz 609 Hz
Response time 3.2 ms 7.5 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
793 nits
iPhone 13 +4%
824 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) 7.65 mm (0.3 inches)
Weight 169 gramm (5.96 oz) 174 gramm (6.14 oz)
Waterproof IP68 IP68
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver White, Black, Blue, Green, Red, Pink
Fingerprint scanner Yes, in-display No
Screen-to-body ratio
82.9%
iPhone 13 +4%
86%

Performance

Tests of Asus Zenfone 8 and Apple iPhone 13 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 888 Apple A15 Bionic
Max. clock 2840 MHz 3230 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 2.02 GHz: Blizzard
- 2 cores at 3.24 GHz: Avalanche
L3 cache 4 MB -
Lithography process 5 nanometers 5 nanometers
Graphics Adreno 660 Apple GPU
GPU clock 840 MHz 1200 MHz
FLOPS ~1720 GFLOPS -
Memory
RAM size 6, 8, 12, 16 GB 4 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128, 256 GB 128, 256, 512 GB
Storage type UFS 3.1 NVMe
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
1110
iPhone 13 +54%
1714
Geekbench 5 (Multi-Core)
3596
iPhone 13 +28%
4608
AnTuTu Benchmark 9
Zenfone 8 +5%
837100
797417
CPU 210328 210809
GPU 314992 324750
Memory 135761 134620
UX 164712 133782
Total score 837100 797417
3DMark Wild Life Performance
5647
iPhone 13 +55%
8744
Stability 58% 79%
Graphics test 33 FPS 52 FPS
Graphics score 5647 8744
PCMark 3.0 score 15984 -
Sources: 3DMark [3], [4]

Software

Operating system Android 11 (Can be upgraded to Android 12) iOS 15 (Can be upgraded to iOS 16.1.1)
ROM ZenUI 8 -
OS size 16 GB 18 GB

Battery

Specifications
Capacity 4000 mAh 3227 mAh
Charge power 30 W 20 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 (54% in 30 min)
Full charging time 1:28 hr 1:46 hr
Battery life tests
Web browsing 06:46 hr 13:11 hr
Watching video 12:35 hr 14:33 hr
Gaming 03:24 hr 05:31 hr
Standby 77 hr 123 hr
General battery life
23:13 hr
iPhone 13 +56%
36:13 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 Dual 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: 1.7 micron
- 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: 14 mm
- Sensor: 1/3.4", Sony IMX372 (Exmor-RS 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 13 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 Exmor-RS CMOS
Sensor size 1/2.93" 1/3.6"
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 60 FPS

DxOMark camera tests

Photo quality
126
iPhone 13 +10%
138
Video quality
108
iPhone 13 +8%
117
Generic camera score
120
iPhone 13 +8%
130

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 -
USB version 3.1 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, 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 +4%
86.7 dB
83.2 dB

Other

Category Flagship Flagship
Announced May 2021 September 2021
Release date May 2021 September 2021
SAR (head) - 0.99 W/kg
SAR (body) - 0.98 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 performance, software, battery life, camera, and design are more important to you, then choose the Apple iPhone 13. But if the display and connectivity are more of a priority – go for the Asus Zenfone 8.

Cast your vote

So, which phone would you choose?
68 (87.2%)
10 (12.8%)
Total votes: 78

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