POCO X4 GT vs Xiaomi 15 Ultra
37.2Performance79.1
73.6Display69.1
32.3Camera73.2
59.1Battery79
60Features78.7
5 spec wins — POCO X4 GT13 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 50.2, pulling ahead mainly in performance (+42) and camera (+41). POCO X4 GT still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the POCO X4 GT
- Stronger display score: 74 vs 69
- 28% higher Main camera: 64 MP vs 50 MP
- 20% higher Refresh rate: 144 Hz vs 120 Hz
- 12% lower weight: 200 g vs 226 g
- Has 3.5mm jack — the other doesn't
- Lower launch price: $379 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 37
- Stronger camera score: 73 vs 32
- Stronger battery score: 79 vs 59
- Stronger features score: 79 vs 60
- 525% higher Ultra-wide: 50 MP vs 8 MP
Display
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.6 ″ | 6.73 ″+2% |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 2460x1080 | 1440x3200 |
| Pixel density | 407 ppi | 522 ppi+28% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | — | 3,200 nits |
| Screen-to-body | — | 90 % |
Performance
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 8100 | Snapdragon 8 Elite |
| AnTuTu 10 | 1,050,000Top 45% | 2,650,000+152%Top 4% |
| Geekbench 6 (single) | 1,180Top 59% | 3,050+158%Top 7% |
| Geekbench 6 (multi) | 3,800Top 52% | 9,600+153%Top 5% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 64 MP+28% | 50 MP |
| Main aperture | f/1.9 | f/1.63 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 16 MP | 32 MP+100% |
| OIS | No | Yes |
Battery
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,080 mAh | 5,410 mAh+6% |
| Wired charging | 67 W | 90 W+34% |
| Wireless charging | — | 80 W |
| Active use endurance | — | 12 h |
Design
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 200 g+12% | 226 g |
| Thickness | 8.9 mm+5% | 9.4 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.3 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 12 (MIUI 13) | Android 15 (HyperOS 2) |
| OS update pledge | 2 years | 4 years+100% |
Audio
| Spec | POCO X4 GT | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |