Home > Smartphone comparison > iPhone X vs iPhone 8 – which one to choose?

Apple iPhone X vs iPhone 8

46 out of 100
Apple iPhone X
VS
40 out of 100
Apple iPhone 8
Apple iPhone X
Apple iPhone 8

Here we compared two flagship smartphones: the 5.8-inch Apple iPhone X (with Apple A11 Bionic) that was released on September 12, 2017, against the Apple iPhone 8, which is powered by the same chip. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Apple iPhone X
  • Has a 1.1 inches larger screen size
  • Comes with 895 mAh larger battery capacity: 2716 vs 1821 mAh
  • Thinner bezels – 15.8% more screen real estate
  • The rear camera has a 2x optical zoom
  • 40% higher pixel density (458 vs 326 PPI)
  • 24% better performance in AnTuTu Benchmark (644K versus 520K)
  • Has 50% more RAM: 3GB versus 2GB
  • OLED display (versus competitor's IPS LCD)
Reasons to consider the Apple iPhone 8
  • Fingerprint scanner
  • Weighs 26 grams less

Review

Evaluation of Apple iPhone X and iPhone 8 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
πŸ“± Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
3 / 64 GB
VS
2 / 64 GB
54.4
(Average)
Value Index
79.9
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
iPhone X
vs
iPhone 8

Display

Type OLED IPS LCD
Size 5.8 inches 4.7 inches
Resolution 1125 x 2436 pixels 750 x 1334 pixels
Aspect ratio 19.5:9 16:9
PPI 458 ppi 326 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 625 nits 625 nits
HDR support Yes, Dolby Vision No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 81.1% 65.3%
Display features - DCI-P3 -
Display tests
RGB color space 99.3% 99.9%
PWM 240 Hz Not detected
Response time 2.2 ms 22 ms
Contrast ∞ Infinity 1373:1
Screen space comparison
iPhone X
5.8β€³ (19.5:9 ratio) = 12.8 in2
iPhone 8
4.7β€³ (16:9 ratio) = 9.4 in2
~35% more screen space
Peak brightness test (auto)
iPhone X
600 nits
iPhone 8 +6%
636 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 143.6 mm (5.65 inches) 138.4 mm (5.45 inches)
Width 70.9 mm (2.79 inches) 67.3 mm (2.65 inches)
Thickness 7.7 mm (0.3 inches) 7.3 mm (0.29 inches)
Weight 174 g (6.14 oz) 148 g (5.22 oz)
Waterproof IP67 IP67
Rear material Glass Glass
Frame material Metal Metal
Colors Silver, Gray Silver, Gold, Gray
Fingerprint scanner No Yes, in-button
Screen-to-body ratio
iPhone X +24%
81.1%
iPhone 8
65.3%

Performance

Chipset specifications of Apple iPhone X and Apple iPhone 8
SoC
Chipset Apple A11 Bionic Apple A11 Bionic
Max clock 2390 MHz 2100 MHz
CPU cores 6 (2 + 4) 6 (2 + 4)
Architecture - 4 cores at 1.42 GHz: Mistral
- 2 cores at 2.39 GHz: Monsoon		 - 4 cores at 1.42 GHz: Mistral
- 2 cores at 2.39 GHz: Monsoon
Manufacturing TSMC TSMC
Lithography process 10 nanometers 10 nanometers
Neural processor (NPU) Apple Neural Engine Apple Neural Engine
GPU
Graphics Apple GPU Apple GPU
GPU shading units 192 192
GPU clock 1066 MHz 1066 MHz
FLOPS ~409.3 GFLOPS ~409.3 GFLOPS

Benchmarks

Benchmark comparison of Apple iPhone X and Apple iPhone 8
Geekbench 6 (Single-Core)
iPhone X
1075
iPhone 8 +2%
1093
Geekbench 6 (Multi-Core)
iPhone X +31%
2393
iPhone 8
1828
Compute Score (GPU)
iPhone X
n/a
iPhone 8
5630
Compute Score (GPU) - 5630
Single-core score 1075 1093
Multi-core score 2393 1828
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
iPhone X +24%
644307
iPhone 8
520567
CPU 271922 249127
GPU 127700 -
Memory 110696 102335
UX 133989 169105
Total score 644307 520567
Samples Less than 3 Less than 3
3DMark Wild Life Extreme
iPhone X
892
iPhone 8
n/a
Stability 59% -
Graphics test 5 FPS -
Graphics score 892 -
Sources: 3DMark [5], [6]
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Apple iPhone X
DateBenchmarkResult
πŸ“˜ 2026-06-03 (alwayssonqz)Geekbench 6 GPU5436
πŸ“˜ 2026-06-03 (alwayssonqz)Geekbench 6 CPU1075 / 2393
πŸ“˜ 2026-01-08 -> TangerineGeekbench 6 CPU1105 / 2629
πŸ“˜ 2024-08-21 (I desperately need a new phone)Geekbench 6 CPU858 / 1167
Add View all (4)
Apple iPhone 8
DateBenchmarkResult
πŸ“˜ 2026-05-13 (TestGame)Geekbench 6 GPU5630
πŸ“˜ 2026-05-13 (TestGame)Geekbench 6 CPU1093 / 1828
Add View all (2)

Memory

RAM
RAM size 3 GB 2 GB
Memory type LPDDR4 LPDDR4
Channels 2 2
Storage
Storage size 64 GB 64 GB
Storage type NVMe NVMe
Memory card No No

Software

Operating system iOS 11.1 (Can be upgraded to iOS 16.5) iOS 11 (Can be upgraded to iOS 16.5)
OS size 5.3 GB 6 GB

Battery

Capacity 2716 mAh 1821 mAh
Max charge power 18 W 15 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes, Qi (7.5 W) Yes, Qi (7.5 W)
Reverse charging No No
Fast charging Yes (50% in 30 min) Yes (50% in 30 min)
Full charging time 2:00 hr 1:15 hr
Battery life tests
Web browsing 05:31 hr 06:14 hr
Watching video 09:07 hr 09:59 hr
Gaming 03:35 hr 03:40 hr
Standby 93 hr 81 hr
General battery life
iPhone X +1%
16:26 hr
iPhone 8
16:16 hr
Add your battery life

Main camera

Matrix 12 megapixels 12 megapixels
Image resolution 4032 x 3024 4032 x 3024
Zoom Optical, 2x Digital
Flash Quad LED Quad LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 240FPS Up to 60FPS
Slow motion 240 FPS (1080p) 240 FPS (1080p)
Lenses 1) Standard: 12 MP
2) Telephoto: 12 MP
1) Standard: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 12 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 28 mm 28 mm
Sensor Apple iSight Duo Camera Apple iSight Camera
Sensor size 1/3" (β‰ˆ 0.33 inch) 1/3" (β‰ˆ 0.33 inch)
Pixel size 1.22 micron 1.22 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 12 MP -
Aperture f/2.4 -
Focal length 52 mm -
Sensor size 1/3.4" (β‰ˆ 0.29 inch) -
Pixel size 1 micron -
Stabilization Optical -

DxOMark main camera tests

Photo quality
iPhone X +9%
101
iPhone 8
93
Video quality
iPhone X
89
iPhone 8 +1%
90
Generic main camera score
iPhone X +5%
97
iPhone 8
92
Samples Photo samples of Apple iPhone X from DxOMark Photo samples of Apple iPhone 8 from DxOMark

Selfie camera

Megapixels 7 megapixels 7 megapixels
Image resolution 3472 x 2063 3088 x 2320
Aperture f/2.2 f/2.2
Focal length 32 mm 32 mm
Sensor BSI CMOS BSI CMOS
Pixel size - 1 micron
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No
DxOMark front camera
Photo 88 -
Video 92 -

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features LE, A2DP LE, A2DP
USB type No No
USB version 2 2
USB features - Charging
- USB-Storage mode		 - Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 1
Type of SIM card Nano Nano
Multi SIM mode - Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 16 16
5G support No No

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
iPhone X +6%
85.3 dB
iPhone 8
80.1 dB

Other

Category Flagship Flagship
Announced September 2017 September 2017
Release date November 2017 September 2017
Launch price (MSRP) $999 $699
Successor - Apple iPhone 17 Pro Max -
SAR (head) 0.87 W/kg 1.35 W/kg
SAR (body) 0.97 W/kg 1.36 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Face recognition sensor		 - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Apple iPhone X is definitely a better buy.

Cast your vote

So, which phone would you choose?
395 (56.4%)
305 (43.6%)
Total votes: 700

Related comparisons

1. Apple iPhone 8 vs Apple iPhone SE (2022) (2)
2. Apple iPhone 8 vs Google Pixel 8
3. Apple iPhone 8 vs Apple iPhone 15
4. Apple iPhone X vs Apple iPhone 11
5. Apple iPhone X vs Apple iPhone XR
6. Apple iPhone X vs Apple iPhone 13 (3)
7. Apple iPhone X vs Apple iPhone XS (1)
8. Apple iPhone X vs Apple iPhone 12
Compare other phones (860+)

User opinions

You can share your opinion or ask a question in the comments below
🌐 Register your profile and become part of DeviceFacts community!
EnglishРусский