OPPO A6 GT vs Redmi K90 Ultra
The OPPO A6 GT (2025) runs on the Qualcomm Snapdragon 7 Gen 3, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $250 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,027,925); the OPPO A6 GT is noticeably lighter (198g vs 227g).
Profile comparison
Category scores
OPPO A6 GT
Redmi K90 Ultra
What makes OPPO A6 GT better?
- Lighter: 198g vs 227g
- Cheaper at launch: $250 vs $420
- Better portability (63/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1027925
- Better Geekbench Single: 3013 vs 1131
- Better Geekbench Multi: 9287 vs 3111
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 59/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 84/100)
Comparison verdict
Comparing the OPPO A6 GT vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 59/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: OPPO A6 GT — 66/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO A6 GT (92/100 vs 59/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the OPPO A6 GT notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Specs comparison
| Specification | OPPO A6 GT | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1027925 | 3233695 | |
| Geekbench Single | 1131 | 3013 | |
| Geekbench Multi | 3111 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2800 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 1600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68/IP69 | |
| Dimensions | 163.1×77.6×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 198 g | 227 g | |
| Launch price | $250 | $420 |
Camera comparison
OPPO A6 GT
- Main: 50MP f/1.8
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO A6 GT
- 6.8" AMOLED
- Resolution: 1280x2800
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO A6 GT
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO A6 GT and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO A6 GT by 68.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $170. OPPO A6 GT was $170 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO A6 GT (92/100 vs 59/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the OPPO A6 GT notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO A6 GT or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the OPPO A6 GT — the overall rating gap is 15 points.
What is the rating of the OPPO A6 GT and the Redmi K90 Ultra?
The OPPO A6 GT has a MobileRank rating of 58/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the OPPO A6 GT or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 59/100).
Should you choose the OPPO A6 GT over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.