OPPO A6x vs Samsung Galaxy S21
20Performance34.4
46.5Display49.1
20.5Camera40.8
70.9Battery36.9
20Features78.7
4 spec wins — OPPO A6x11 spec wins — Samsung Galaxy S21
InnoReviews verdict
Samsung Galaxy S21 wins this phone face-off, 43.6 to 35.6, pulling ahead mainly in features (+59) and camera (+20). OPPO A6x still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO A6x
- Stronger battery score: 71 vs 37
- 63% higher capacity: 6,500 mAh vs 4,000 mAh
- Has 3.5mm jack — the other doesn't
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 20
- Stronger camera score: 41 vs 21
- Stronger features score: 79 vs 20
- 100% higher Front camera: 10 MP vs 5 MP
- 64% higher Pixel density: 421 ppi vs 256 ppi
Display
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.75 ″+9% | 6.2 ″ |
| Panel type | IPS LCD | AMOLED |
| Resolution | 1570x720 | 2400x1080 |
| Pixel density | 256 ppi | 421 ppi+64% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,125 nits | 1,300 nits+16% |
| Screen-to-body | 90.6 % | — |
Performance
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Snapdragon 685 | Samsung Exynos 2100 |
| AnTuTu | — | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 35% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 16% |
| AnTuTu 11 (UX) | — | 221,794Bottom 18% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 6 GB | 8 GB+33% |
| Storage options | 64GB / 128GB / 256GB | 128GB / 256GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 13 MP+8% | 12 MP |
| Main aperture | f/2.2 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 64 MP |
| Max video | 1080p@30fps | 8K@24fps |
| Front camera | 5 MP | 10 MP+100% |
| OIS | No | Yes |
Battery
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 6,500 mAh+63% | 4,000 mAh |
| Wired charging | — | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Weight | 210 g | 171 g+19% |
| Thickness | 8.6 mm | 7.9 mm+8% |
| IP rating | IP64 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.0 | 5.0 |
| NFC | No | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | OPPO A6x | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |