OnePlus 13 vs Samsung Galaxy S21
80.5Performance34.4
76.5Display49.1
65.5Camera40.8
83.1Battery36.9
78.7Features78.7
17 spec wins — OnePlus 133 spec wins — Samsung Galaxy S21
InnoReviews verdict
OnePlus 13 wins this phone face-off, 77 to 43.6, pulling ahead mainly in battery (+46) and performance (+46). 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 13
- Stronger performance score: 81 vs 34
- Stronger display score: 77 vs 49
- Stronger camera score: 66 vs 41
- Stronger battery score: 83 vs 37
- 739% higher AnTuTu 10 (GPU): 1,072,373 vs 127,819
Reasons to pick the Samsung Galaxy S21
- 28% higher telephoto: 64 MP vs 50 MP
- 19% lower weight: 171 g vs 210 g
- Lower launch price: $799 vs $900
Display
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.82 ″+10% | 6.2 ″ |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 1440x3168 | 2400x1080 |
| Pixel density | 510 ppi+21% | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4,500 nits+246% | 1,300 nits |
| Screen-to-body | 90.7 % | — |
| AnTuTu 10 (CPU) | 796,858+216%Top 13% | 252,025Top 94% |
| AnTuTu 10 (GPU) | 1,072,373+739%Top 10% | 127,819Top 79% |
| AnTuTu 10 (Memory) | 367,884+154%Top 10% | 144,909Top 91% |
| AnTuTu 10 (UX) | 612,068+176%Top 10% | 221,794Top 88% |
Performance
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Samsung Exynos 2100 |
| AnTuTu 10 | 2,849,183+282%Top 3% | 746,547Top 66% |
| Geekbench 6 (single) | 3,100+117%Top 7% | 1,430Top 52% |
| Geekbench 6 (multi) | 9,700+173%Top 4% | 3,550Top 56% |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB | 128GB / 256GB |
| Storage type | UFS 4.0 | UFS 3.1 |
Camera
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.6 | f/1.8 |
| Ultra-wide | 50 MP+317% | 12 MP |
| Telephoto | 50 MP | 64 MP+28% |
| Optical zoom | 3 x | — |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 32 MP+220% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 6,000 mAh+50% | 4,000 mAh |
| Wired charging | 100 W+300% | 25 W |
| Wireless charging | 50 W+233% | 15 W |
| Active use endurance | 13 h | — |
Design
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| Weight | 210 g | 171 g+19% |
| Thickness | 8.5 mm | 7.9 mm+7% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | OnePlus 13 | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | OnePlus 13 | 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 13 | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |