iPhone X vs Samsung Galaxy A51
20Performance20
29.7Display30.8
35.3Camera34.7
21.3Battery29.4
60Features33.3
7 spec wins — iPhone X7 spec wins — Samsung Galaxy A51
InnoReviews verdict
This one is close to a dead heat: iPhone X scores 29.3 against 28.3 for Samsung Galaxy A51. Pick by the categories that matter to you — iPhone X edges ahead in features and camera, or by price.
Which would you pick?
Key differences
Reasons to pick the iPhone X
- Stronger features score: 60 vs 33
- 200% higher Geekbench 6 (single): 1,050 vs 350
- 92% higher Geekbench 6 (multi): 2,400 vs 1,250
- 67% higher OS update pledge: 5 years vs 3 years
- 13% higher Pixel density: 458 ppi vs 405 ppi
Reasons to pick the Samsung Galaxy A51
- Stronger battery score: 29 vs 21
- 357% higher Front camera: 32 MP vs 7 MP
- 300% higher Main camera: 48 MP vs 12 MP
- 100% higher RAM (max): 6 GB vs 3 GB
- 47% higher capacity: 4,000 mAh vs 2,716 mAh
- Lower launch price: $399 vs $999
Display
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Screen size | 5.8 ″ | 6.5 ″+12% |
| Panel type | OLED | Super AMOLED |
| Resolution | 2436x1125 | 2400x1080 |
| Pixel density | 458 ppi+13% | 405 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 625 nits | — |
Performance
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Chipset | Apple A11 Bionic | Samsung Exynos 9611 |
| AnTuTu 10 | — | 215,000Top 98% |
| Geekbench 6 (single) | 1,050+200%Top 66% | 350Top 99% |
| Geekbench 6 (multi) | 2,400+92%Top 75% | 1,250Top 100% |
| RAM (max) | 3 GB | 6 GB+100% |
| Storage options | 64GB / 256GB | 64GB / 128GB |
| Storage type | NVMe | UFS 2.0 |
Camera
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Main camera | 12 MP | 48 MP+300% |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | — | 12 MP |
| Telephoto | 12 MP | — |
| Optical zoom | 2 x | — |
| Max video | 4K@60fps | 4K@30fps |
| Front camera | 7 MP | 32 MP+357% |
| OIS | Yes | No |
Battery
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Capacity | 2,716 mAh | 4,000 mAh+47% |
| Wired charging | 15 W | 15 W |
| Wireless charging | 8 W | — |
Design
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Weight | 174 g | 172 g+1% |
| Thickness | 7.7 mm+3% | 7.9 mm |
| IP rating | IP67 | — |
| Frame material | Stainless steel | Plastic |
Connectivity
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| 5G | No | No |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 5.0 |
| NFC | Yes | Yes |
| USB | Lightning | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| OS at launch | iOS 11 | Android 10 (One UI 2) |
| OS update pledge | 5 years+67% | 3 years |
Audio
| Spec | iPhone X | Samsung Galaxy A51 |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | Yes |