OnePlus 13s vs Samsung Galaxy S21
68.5Performance34.4
53.6Display49.1
54.7Camera40.8
69Battery36.9
78.7Features78.7
10 spec wins — OnePlus 13s4 spec wins — Samsung Galaxy S21
InnoReviews verdict
OnePlus 13s wins this phone face-off, 63.9 to 43.6, pulling ahead mainly in performance (+34) and battery (+32). 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 13s
- Stronger performance score: 69 vs 34
- Stronger display score: 54 vs 49
- Stronger camera score: 55 vs 41
- Stronger battery score: 69 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
Reasons to pick the Samsung Galaxy S21
- 28% higher telephoto: 64 MP vs 50 MP
Display
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.32 ″+2% | 6.2 ″ |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 1216x2640 | 2400x1080 |
| Pixel density | 460 ppi+9% | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,600 nits+23% | 1,300 nits |
Performance
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Snapdragon 8 Elite | 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) | 2,870+101%Top 18% | 1,430Top 46% |
| Geekbench 6 (multi) | 8,453+138%Top 17% | 3,550Bottom 50% |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB | 128GB / 256GB |
| Storage type | UFS 4.0 | UFS 3.1 |
Camera
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | 50 MP | 64 MP+28% |
| Optical zoom | 2 x | — |
| Max video | 4K@60fps | 8K@24fps |
| Front camera | 32 MP+220% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 5,850 mAh+46% | 4,000 mAh |
| Wired charging | 80 W+220% | 25 W |
| Wireless charging | 0 W | 15 W |
Design
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Weight | 185 g | 171 g+8% |
| Thickness | 8.2 mm | 7.9 mm+4% |
| IP rating | IP65 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OnePlus 13s | 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 2.0 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 15 (OxygenOS 15) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | OnePlus 13s | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |