OnePlus 15T vs Samsung Galaxy S21
64.4Performance34.4
89.7Display49.1
54.2Camera40.8
92Battery36.9
60Features78.7
9 spec wins — OnePlus 15T3 spec wins — Samsung Galaxy S21
InnoReviews verdict
OnePlus 15T wins this phone face-off, 72.5 to 43.6, pulling ahead mainly in battery (+55) and display (+41). Samsung Galaxy S21 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OnePlus 15T
- Stronger performance score: 64 vs 34
- Stronger display score: 90 vs 49
- Stronger camera score: 54 vs 41
- Stronger battery score: 92 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
Reasons to pick the Samsung Galaxy S21
- Stronger features score: 79 vs 60
- 28% higher telephoto: 64 MP vs 50 MP
- 12% lower weight: 171 g vs 194 g
Display
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.32 ″+2% | 6.2 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1216x2640 | 2400x1080 |
| Pixel density | 460 ppi+9% | 421 ppi |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | — | 1,300 nits |
Performance
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 | 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) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB/1TB | 128GB / 256GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | — | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | 50 MP | 64 MP+28% |
| Optical zoom | 3.5 x | — |
| Max video | — | 8K@24fps |
| Front camera | 16 MP+60% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,500 mAh+88% | 4,000 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | 50 W+233% | 15 W |
Design
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Weight | 194 g | 171 g+12% |
| Thickness | 8.5 mm | 7.9 mm+7% |
| IP rating | IP66/IP68/IP69/IP69K | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 6.0 | 5.0 |
| NFC | Yes | Yes |
| USB | — | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 16 (ColorOS 16) | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | OnePlus 15T | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | — | No |