Redmi K20 Pro Premium vs Vivo iQOO 15 Ultra
The Redmi K20 Pro Premium (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 17/100 (a 67-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 227g).
Redmi K20 Pro Premium
Vivo iQOO 15 Ultra
- Lighter: 191g vs 227g
- Better design/ergonomics (61/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 859084
- Better Geekbench Single: 3640 vs 1031
- Better Geekbench Multi: 11033 vs 2864
- Bigger battery: 7400 vs 4000 mAh
- Faster charging: 120W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (97/100 vs 2/100)
- Better camera (74/100 vs 36/100)
- Longer battery life (86/100 vs 13/100)
- Better display (100/100 vs 0/100)
Comparing the Redmi K20 Pro Premium vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 67 points higher (84/100 vs 17/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 2/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 36/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 13/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (97/100 vs 2/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (74/100 vs 36/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (86/100 vs 13/100). In the "design" category, the Redmi K20 Pro Premium significantly outperforms the Vivo iQOO 15 Ultra (61/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Redmi K20 Pro Premium | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 4602290 | |
| Geekbench Single | 1031 | 3640 | |
| Geekbench Multi | 2864 | 11033 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | 27W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 10; MIUI 11 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 156.7×74.3×8.8 mm | 163.7×76.8×8.7 mm | |
| Weight | 191 g | 227 g | |
| Price | — | $799 |
Redmi K20 Pro Premium
- Main: 48MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K20 Pro Premium
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi K20 Pro Premium
- 4000 mAh
- Wired: 27W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi K20 Pro Premium and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi K20 Pro Premium by 81.3% in our overall performance rating.
Redmi K20 Pro Premium
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (97/100 vs 2/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (74/100 vs 36/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium (86/100 vs 13/100).
design
In the "design" category, the Redmi K20 Pro Premium significantly outperforms the Vivo iQOO 15 Ultra (61/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Redmi K20 Pro Premium or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi K20 Pro Premium by 67 points (84/100 vs 17/100).
What is the rating of the Redmi K20 Pro Premium and the Vivo iQOO 15 Ultra?
The Redmi K20 Pro Premium has a MobileRank rating of 17/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Redmi K20 Pro Premium or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 36/100).
Which is more powerful: the Redmi K20 Pro Premium or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 2/100).
Should you choose the Redmi K20 Pro Premium over the Vivo iQOO 15 Ultra?
The Redmi K20 Pro Premium is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.