OPPO K13 Turbo vs vivo Y31d
42.6Performance28.9
59.6Display42.5
30.7Camera29
79.8Battery70.9
60Features46.7
11 spec wins — OPPO K13 Turbo1 spec wins — vivo Y31d
InnoReviews verdict
OPPO K13 Turbo wins this phone face-off, 52.8 to 41.8, pulling ahead mainly in display (+17) and performance (+14). 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 OPPO K13 Turbo
- Stronger performance score: 43 vs 29
- Stronger display score: 60 vs 43
- Stronger battery score: 80 vs 71
- Stronger features score: 60 vs 47
- 100% higher RAM (max): 16 GB vs 8 GB
Reasons to pick the vivo Y31d
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Screen size | 6.8 ″+1% | 6.75 ″ |
| Panel type | AMOLED | IPS LCD |
| Resolution | 2800x1280 | 720x1570 |
| Pixel density | 453 ppi+77% | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,600 nits+28% | 1,250 nits |
| Screen-to-body | 93.5 %+10% | 85.3 % |
Performance
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Chipset | MediaTek Dimensity 8450 | Qualcomm Snapdragon 6s 4G Gen 2 |
| Geekbench 6 (single) | 1,424Top 47% | — |
| Geekbench 6 (multi) | 5,975Top 32% | — |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 128GB / 256GB / 512GB | 128/256GB |
| Storage type | UFS 3.1 | UFS 2.2 |
Camera
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/2.0 |
| Max video | 4K@60fps | 1080p@30fps |
| Front camera | 16 MP+100% | 8 MP |
| OIS | No | No |
Battery
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Capacity | 7,000 mAh | 7,200 mAh+3% |
| Wired charging | 80 W+82% | 44 W |
Design
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Weight | 207 g+5% | 219 g |
| Thickness | 8.3 mm+1% | 8.4 mm |
| IP rating | IPX6/IPX8/IPX9 | IP68/IP69 |
| Frame material | Plastic | Plastic |
Connectivity
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.1 |
| NFC | Yes | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | — | No |
Software
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 16 (OriginOS 6) |
| OS update pledge | 2 years | — |
Audio
| Spec | OPPO K13 Turbo | vivo Y31d |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |