OnePlus Ace 5 Ultra vs Redmi K20 Pro
The OnePlus Ace 5 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K20 Pro (2019) runs on the Qualcomm Snapdragon 855; launch prices were $350 and $350. By overall MobileRank rating, the OnePlus Ace 5 Ultra leads — 71/100 vs 46/100 (a 25-point difference). Key differences: the OnePlus Ace 5 Ultra has the bigger battery (6700 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 5 Ultra is faster in AnTuTu (2,948,304 vs 824,513); the Redmi K20 Pro is noticeably lighter (191g vs 206g).
OnePlus Ace 5 Ultra
Redmi K20 Pro
- Higher AnTuTu: 2948304 vs 824513
- Better Geekbench Single: 2729 vs 968
- Better Geekbench Multi: 8430 vs 2731
- Bigger battery: 6700 vs 4000 mAh
- Faster charging: 100W vs 27W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (89/100 vs 54/100)
- Longer battery life (70/100 vs 24/100)
- Better display (94/100 vs 56/100)
- Lighter: 191g vs 206g
- Better camera (41/100 vs 35/100)
- Better portability (56/100 vs 54/100)
Comparing the OnePlus Ace 5 Ultra vs the Redmi K20 Pro, the OnePlus Ace 5 Ultra scores 25 points higher (71/100 vs 46/100). In the "performance" category, the OnePlus Ace 5 Ultra leads (89/100 vs 54/100). In the "battery" category, the OnePlus Ace 5 Ultra leads (70/100 vs 24/100). Value score: OnePlus Ace 5 Ultra — 82/100, Redmi K20 Pro — 32/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (89/100 vs 54/100). In the "display" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (94/100 vs 56/100). In the "camera" category, the Redmi K20 Pro is a bit better (41/100 vs 35/100). In the "battery" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (70/100 vs 24/100). In the "portability" category, the Redmi K20 Pro and the OnePlus Ace 5 Ultra are nearly equal (56/100 vs 54/100).
| Specification | OnePlus Ace 5 Ultra | Redmi K20 Pro | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 855 | |
| AnTuTu | 2948304 | 824513 | |
| Geekbench Single | 2729 | 968 | |
| Geekbench Multi | 8430 | 2731 | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1272x2800 | 2340x1080 | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 6700 mAh | 4000 mAh | |
| Charging | 100W | 27W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 13 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB / 256GB | |
| OS | Android 15, ColorOS 15 | Android 9 | |
| Brightness (peak) | 1400 nits | — | |
| NFC | yes | yes | |
| Protection | IP65 | — | |
| Dimensions | 163.4×77.0×8.1 mm | 156.7×74.3×8.8 mm | |
| Weight | 206 g | 191 g | |
| Launch price | $350 | $350 |
OnePlus Ace 5 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K20 Pro
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
OnePlus Ace 5 Ultra
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 144 Hz
Redmi K20 Pro
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
OnePlus Ace 5 Ultra
- 6700 mAh
- Wired: 100W
- No wireless charging
Redmi K20 Pro
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared OnePlus Ace 5 Ultra and Redmi K20 Pro, covering their specs and all relevant benchmarks.
OnePlus Ace 5 Ultra leads Redmi K20 Pro by 257.6% in our overall performance rating.
Launch price difference: $0. Same launch price.
performance
In the "performance" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (89/100 vs 54/100).
display
In the "display" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (94/100 vs 56/100).
camera
In the "camera" category, the Redmi K20 Pro is a bit better (41/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro (70/100 vs 24/100).
portability
In the "portability" category, the Redmi K20 Pro and the OnePlus Ace 5 Ultra are nearly equal (56/100 vs 54/100).
Which is better: the OnePlus Ace 5 Ultra or the Redmi K20 Pro?
The OnePlus Ace 5 Ultra significantly outperforms the Redmi K20 Pro by 25 points (71/100 vs 46/100).
What is the rating of the OnePlus Ace 5 Ultra and the Redmi K20 Pro?
The OnePlus Ace 5 Ultra has a MobileRank rating of 71/100, the Redmi K20 Pro — 46/100.
Which has the better camera: the OnePlus Ace 5 Ultra or the Redmi K20 Pro?
The Redmi K20 Pro leads on camera score (41/100 vs 35/100).
Which is more powerful: the OnePlus Ace 5 Ultra or the Redmi K20 Pro?
The OnePlus Ace 5 Ultra leads on performance (89/100 vs 54/100).
Should you choose the OnePlus Ace 5 Ultra over the Redmi K20 Pro?
The OnePlus Ace 5 Ultra is a better fit for gamers and power users, budget-conscious buyers. The Redmi K20 Pro is a better fit for everyday use.