Realme GT 8 vs Xiaomi 12S Ultra
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Realme GT 8 leads — 80/100 vs 71/100 (a 9-point difference). Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 4800); the main camera is 50 MP vs 3 MP; the Realme GT 8 is faster in AnTuTu (3,119,308 vs 1,627,862); the Realme GT 8 is noticeably lighter (209g vs 225g).
Realme GT 8
Xiaomi 12S Ultra
- Higher AnTuTu: 3119308 vs 1627862
- Better Geekbench Single: 3041 vs 1761
- Better Geekbench Multi: 9494 vs 4688
- Bigger battery: 7000 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 209g vs 225g
- Higher performance (92/100 vs 73/100)
- Longer battery life (85/100 vs 64/100)
- Better display (98/100 vs 90/100)
- Better portability (50/100 vs 32/100)
- Better camera (70/100 vs 56/100)
Comparing the Realme GT 8 vs the Xiaomi 12S Ultra, the Realme GT 8 scores 9 points higher (80/100 vs 71/100). In the "performance" category, the Realme GT 8 leads (92/100 vs 73/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 56/100). In the "battery" category, the Realme GT 8 leads (85/100 vs 64/100). In the "performance" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100). In the "display" category, the Realme GT 8 is a bit better (98/100 vs 90/100). In the "camera" category, the Xiaomi 12S Ultra is a bit better (70/100 vs 56/100). In the "battery" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (85/100 vs 64/100). In the "portability" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (50/100 vs 32/100).
| Specification | Realme GT 8 | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3119308 | 1627862 | |
| Geekbench Single | 3041 | 1761 | |
| Geekbench Multi | 9494 | 4688 | |
| Display | 6.8" AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 1440x3136 | 1440x3200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | — | 50W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 8 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | — | 1500 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.2×75.0×9.1 mm | |
| Weight | 209 g | 225 g | |
| Launch price | $350 | — |
Realme GT 8
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Xiaomi 12S Ultra
- Main: 3MP f/f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
We compared Realme GT 8 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
Realme GT 8 leads Xiaomi 12S Ultra by 91.6% in our overall performance rating.
Xiaomi 12S Ultra
Price unknownperformance
In the "performance" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100).
display
In the "display" category, the Realme GT 8 is a bit better (98/100 vs 90/100).
camera
In the "camera" category, the Xiaomi 12S Ultra is a bit better (70/100 vs 56/100).
battery
In the "battery" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (85/100 vs 64/100).
portability
In the "portability" category, the Realme GT 8 notably outperforms the Xiaomi 12S Ultra (50/100 vs 32/100).
Which is better: the Realme GT 8 or the Xiaomi 12S Ultra?
The Realme GT 8 edges out the Xiaomi 12S Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the Realme GT 8 and the Xiaomi 12S Ultra?
The Realme GT 8 has a MobileRank rating of 80/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the Realme GT 8 or the Xiaomi 12S Ultra?
The Xiaomi 12S Ultra leads on camera score (70/100 vs 56/100).
Which is more powerful: the Realme GT 8 or the Xiaomi 12S Ultra?
The Realme GT 8 leads on performance (92/100 vs 73/100).
Should you choose the Realme GT 8 over the Xiaomi 12S Ultra?
The Realme GT 8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for active users.