OPPO Reno12 5G vs Samsung Galaxy S21 Ultra
46.7Performance37.2
54.1Display56.3
45.9Camera72
61Battery46.4
60Features78.7
3 spec wins — OPPO Reno12 5G6 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 52.2, pulling ahead mainly in camera (+26) and features (+19). OPPO Reno12 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO Reno12 5G
- Stronger performance score: 47 vs 37
- Stronger battery score: 61 vs 46
- 220% higher Wired charging: 80 W vs 25 W
- 22% lower weight: 177 g vs 228 g
- 15% lower thickness: 7.6 mm vs 8.9 mm
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger camera score: 72 vs 46
- Stronger features score: 79 vs 60
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher ultra-wide: 12 MP vs 8 MP
- 31% higher Pixel density: 515 ppi vs 394 ppi
Display
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.7 ″ | 6.8 ″+1% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2412x1080 | 3200x1440 |
| Pixel density | 394 ppi | 515 ppi+31% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 1,500 nits+25% |
| Screen-to-body | 93.2 % | — |
Performance
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Dimensity 7300-Energy | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 33% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 35% |
| AnTuTu 11 (UX) | — | 227,841Bottom 20% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256GB / 512GB | 128GB / 256GB / 512GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 4K@30fps | 8K@24fps |
| Front camera | 32 MP | 40 MP+25% |
| OIS | Yes | Yes |
Battery
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 177 g+22% | 228 g |
| Thickness | 7.6 mm+15% | 8.9 mm |
| IP rating | — | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 14 (ColorOS 14.1) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | OPPO Reno12 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | No | No |
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