Samsung Galaxy S21 vs vivo Y31d
34.4Performance28.9
49.1Display42.5
40.8Camera29
36.9Battery70.9
78.7Features46.7
9 spec wins — Samsung Galaxy S214 spec wins — vivo Y31d
InnoReviews verdict
Samsung Galaxy S21 wins this phone face-off, 43.6 to 41.8, pulling ahead mainly in features (+32) and camera (+12). vivo Y31d still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 29
- Stronger display score: 49 vs 43
- Stronger camera score: 41 vs 29
- Stronger features score: 79 vs 47
- 64% higher Pixel density: 421 ppi vs 256 ppi
Reasons to pick the vivo Y31d
- Stronger battery score: 71 vs 37
- 317% higher Main camera: 50 MP vs 12 MP
- 80% higher capacity: 7,200 mAh vs 4,000 mAh
- 76% higher Wired charging: 44 W vs 25 W
Display
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Screen size | 6.2 ″ | 6.75 ″+9% |
| Panel type | AMOLED | IPS LCD |
| Resolution | 2400x1080 | 720x1570 |
| Pixel density | 421 ppi+64% | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,300 nits+4% | 1,250 nits |
| Screen-to-body | — | 85.3 % |
Performance
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 6s 4G Gen 2 |
| 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) | 8 GB | 8 GB |
| Storage options | 128GB / 256GB | 128/256GB |
| Storage type | UFS 3.1 | UFS 2.2 |
Camera
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Main camera | 12 MP | 50 MP+317% |
| Main aperture | f/1.8 | f/2.0 |
| Ultra-wide | 12 MP | — |
| Telephoto | 64 MP | — |
| Max video | 8K@24fps | 1080p@30fps |
| Front camera | 10 MP+25% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Capacity | 4,000 mAh | 7,200 mAh+80% |
| Wired charging | 25 W | 44 W+76% |
| Wireless charging | 15 W | — |
Design
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Weight | 171 g+22% | 219 g |
| Thickness | 7.9 mm+6% | 8.4 mm |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.0 | 5.1 |
| NFC | Yes | No |
| USB | USB-C 3.2 | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 16 (OriginOS 6) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S21 | vivo Y31d |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |