OPPO K13x 5G vs Samsung Galaxy S25 Ultra
21.8Performance80
45.2Display66.7
29Camera74
61.9Battery65.8
36Features94.7
4 spec wins — OPPO K13x 5G11 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 37.3, pulling ahead mainly in features (+59) and performance (+58). OPPO K13x 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO K13x 5G
- 20% higher capacity: 6,000 mAh vs 5,000 mAh
- 11% lower weight: 194 g vs 218 g
- Has 3.5mm jack — the other doesn't
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 22
- Stronger display score: 67 vs 45
- Stronger camera score: 74 vs 29
- Stronger battery score: 66 vs 62
- Stronger features score: 95 vs 36
Display
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.9 ″+3% |
| Panel type | IPS LCD | Dynamic LTPO AMOLED 2X |
| Resolution | 1604x720 | 1440x3120 |
| Pixel density | 264 ppi | 498 ppi+89% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 2,600 nits+160% |
| Screen-to-body | 89.9 % | 92.5 %+3% |
Performance
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6300 | Snapdragon 8 Elite for Galaxy |
| AnTuTu | — | 2,787,981Top 21% |
| AnTuTu 11 (CPU) | — | 895,141Top 11% |
| AnTuTu 11 (GPU) | — | 989,555Top 21% |
| AnTuTu 11 (Memory) | — | 348,188Top 27% |
| AnTuTu 11 (UX) | — | 555,097Top 27% |
| Geekbench 6 (single) | 785Bottom 19% | 3,030+286%Top 13% |
| Geekbench 6 (multi) | 1,984Bottom 16% | 9,800+394%Top 8% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.0 |
Camera
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 1080p@60fps | 8K@30fps |
| Front camera | 8 MP | 12 MP+50% |
| OIS | No | Yes |
Battery
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 6,000 mAh+20% | 5,000 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 194 g+11% | 218 g |
| Thickness | 7.9 mm+4% | 8.2 mm |
| IP rating | IP65 | IP68 |
| Frame material | Plastic | Titanium |
Connectivity
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | — | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 15 (ColorOS 15) | Android 15 (One UI 7) |
| OS update pledge | 2 years | 7 years+250% |
Audio
| Spec | OPPO K13x 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | Yes | No |
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