OPPO A3x 4G vs vivo X100 Ultra
28.9Performance64.4
37.6Display67.6
20Camera75.8
53.4Battery75.5
20Features86.7
4 spec wins — OPPO A3x 4G11 spec wins — vivo X100 Ultra
InnoReviews verdict
vivo X100 Ultra wins this phone face-off, 71.8 to 32.9, pulling ahead mainly in features (+67) and camera (+56). 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
- 19% lower weight: 186 g vs 229 g
- 17% lower thickness: 7.7 mm vs 9.2 mm
- Has 3.5mm jack — the other doesn't
Reasons to pick the vivo X100 Ultra
- Stronger performance score: 64 vs 29
- Stronger display score: 68 vs 38
- Stronger camera score: 76 vs 20
- Stronger battery score: 76 vs 53
- Stronger features score: 87 vs 20
Display
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.78 ″+2% |
| Panel type | LCD | LTPO AMOLED |
| Resolution | 1604x720 | 1440x3200 |
| Pixel density | 264 ppi | 517 ppi+96% |
| Refresh rate | 90 Hz | 120 Hz+33% |
| Peak brightness | 1,000 nits | 3,000 nits+200% |
| Screen-to-body | 89.9 % | 89.8 % |
Performance
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| Chipset | Snapdragon 6s 4G Gen 1 | Qualcomm Snapdragon 8 Gen 3 |
| 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 | vivo X100 Ultra |
|---|---|---|
| Main camera | 8 MP | 50 MP+525% |
| Main aperture | f/2.0 | f/1.75 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 3.7 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 5 MP | 50 MP+900% |
| OIS | — | Yes |
Battery
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| Capacity | 5,100 mAh | 5,500 mAh+8% |
| Wired charging | 45 W | 80 W+78% |
| Wireless charging | — | 30 W |
| Active use endurance | — | 12.9 h |
Design
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| Weight | 186 g+19% | 229 g |
| Thickness | 7.7 mm+17% | 9.2 mm |
| IP rating | IP54 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | OPPO A3x 4G | vivo X100 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 | — | No |
Software
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| OS at launch | Android 14 (ColorOS 14) | Android 14 (OriginOS 4) |
Audio
| Spec | OPPO A3x 4G | vivo X100 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | Yes | No |