OPPO A3x 4G vs Samsung Galaxy S25 Ultra
28.9Performance80
37.6Display66.7
20Camera74
53.4Battery65.8
20Features94.7
4 spec wins — OPPO A3x 4G10 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 32.9, pulling ahead mainly in features (+75) and camera (+54). OPPO A3x 4G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the OPPO A3x 4G
- 15% lower weight: 186 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 29
- Stronger display score: 67 vs 38
- Stronger camera score: 74 vs 20
- Stronger battery score: 66 vs 53
- Stronger features score: 95 vs 20
Display
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.9 ″+3% |
| Panel type | LCD | Dynamic LTPO AMOLED 2X |
| Resolution | 1604x720 | 1440x3120 |
| Pixel density | 264 ppi | 498 ppi+89% |
| Refresh rate | 90 Hz | 120 Hz+33% |
| Peak brightness | 1,000 nits | 2,600 nits+160% |
| Screen-to-body | 89.9 % | 92.5 %+3% |
Performance
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Snapdragon 6s 4G Gen 1 | 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) | — | 3,030Top 13% |
| Geekbench 6 (multi) | — | 9,800Top 8% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 64GB / 128GB / 256GB | 256/512GB/1TB |
| Storage type | eMMC 5.1 | UFS 4.0 |
Camera
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 8 MP | 200 MP+2400% |
| Main aperture | f/2.0 | f/1.7 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 5 MP | 12 MP+140% |
| OIS | — | Yes |
Battery
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 5,100 mAh+2% | 5,000 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 186 g+15% | 218 g |
| Thickness | 7.7 mm+6% | 8.2 mm |
| IP rating | IP54 | IP68 |
| Frame material | — | Titanium |
Connectivity
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | No | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 14 (ColorOS 14) | Android 15 (One UI 7) |
| OS update pledge | — | 7 years |
Audio
| Spec | OPPO A3x 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | Yes | No |
Related comparisons
OPPO A3x 4Gvs Infinix HOT 50iVSOPPO A3x 4Gvs TECNO SPARK Go 3 ProVSOPPO A3x 4Gvs OPPO K14 LiteVSOPPO A3x 4Gvs Redmi 14CVSSamsung Galaxy S25 Ultravs HONOR 600 ProVSSamsung Galaxy S25 Ultravs Huawei Mate 80 Pro MaxVSSamsung Galaxy S25 Ultravs Motorola Razr Ultra (2026)VSSamsung Galaxy S25 Ultravs Motorola Edge 70 MaxVS