Poco X4 GT vs Vivo iQOO 15 Ultra
The Poco X4 GT (2022) runs on the MediaTek Dimensity 8100, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $380 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 57/100 (a 32-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5080); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,080,106); the Poco X4 GT is noticeably lighter (200g vs 227g).
Poco X4 GT
Vivo iQOO 15 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Cheaper at launch: $380 vs $799
- Better portability (50/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 1080106
- Better Geekbench Single: 3640 vs 1139
- Better Geekbench Multi: 11033 vs 3842
- Bigger battery: 7400 vs 5080 mAh
- Faster charging: 120W vs 67W
- Higher performance (99/100 vs 61/100)
- Better camera (78/100 vs 43/100)
- Longer battery life (92/100 vs 54/100)
- Better display (99/100 vs 77/100)
Comparing the Poco X4 GT vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 32 points higher (89/100 vs 57/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 61/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 43/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 54/100). Value score: Poco X4 GT — 52/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (99/100 vs 61/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X4 GT (99/100 vs 77/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (78/100 vs 43/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (92/100 vs 54/100). In the "portability" category, the Poco X4 GT notably outperforms the Vivo iQOO 15 Ultra (50/100 vs 35/100).
| Specification | Poco X4 GT | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8100 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1080106 | 4602290 | |
| Geekbench Single | 1139 | 3640 | |
| Geekbench Multi | 3842 | 11033 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 2460x1080 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 5080 mAh | 7400 mAh | |
| Charging | 67W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 12 | Android 16 | |
| Brightness (peak) | 650 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP53 | IP68 | |
| Dimensions | 163.6×74.3×8.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 200 g | 227 g | |
| Launch price | $380 | $799 |
Poco X4 GT
- Main: 64MP f/1.89
- Ultrawide: 8MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Poco X4 GT
- 6.6" IPS LCD
- Resolution: 2460x1080
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Poco X4 GT
- 5080 mAh
- Wired: 67W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Poco X4 GT and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Poco X4 GT by 76.5% in our overall performance rating.
Launch price difference: $419. Poco X4 GT was $419 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (99/100 vs 61/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X4 GT (99/100 vs 77/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (78/100 vs 43/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT (92/100 vs 54/100).
portability
In the "portability" category, the Poco X4 GT notably outperforms the Vivo iQOO 15 Ultra (50/100 vs 35/100).
Which is better: the Poco X4 GT or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Poco X4 GT by 32 points (89/100 vs 57/100).
What is the rating of the Poco X4 GT and the Vivo iQOO 15 Ultra?
The Poco X4 GT has a MobileRank rating of 57/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Poco X4 GT or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 43/100).
Which is more powerful: the Poco X4 GT or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 61/100).
Should you choose the Poco X4 GT over the Vivo iQOO 15 Ultra?
The Poco X4 GT is a better fit for active users. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.