Redmi K20 vs Vivo iQOO 15T
The Redmi K20 (2019) runs on the Qualcomm Snapdragon 730, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $250 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 41/100 (a 41-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4000); the main camera is 48 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 502,844); the Redmi K20 is noticeably lighter (191g vs 216g).
Profile comparison
Category scores
Redmi K20
Vivo iQOO 15T
What makes Redmi K20 better?
- Lighter: 191g vs 216g
- Cheaper at launch: $250 vs $499
- Better portability (56/100 vs 44/100)
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 502844
- Better Geekbench Single: 3293 vs 724
- Better Geekbench Multi: 10243 vs 1836
- Bigger battery: 8000 vs 4000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (97/100 vs 41/100)
- Better camera (65/100 vs 41/100)
- Longer battery life (75/100 vs 27/100)
- Better display (99/100 vs 56/100)
Comparison verdict
Comparing the Redmi K20 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 41 points higher (82/100 vs 41/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 41/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 41/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 27/100). Value score: Redmi K20 — 32/100, Vivo iQOO 15T — 86/100; 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 Vivo iQOO 15T significantly outperforms the Redmi K20 (97/100 vs 41/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Redmi K20 (99/100 vs 56/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Redmi K20 (65/100 vs 41/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi K20 (75/100 vs 27/100). In the "portability" category, the Redmi K20 is a bit better (56/100 vs 44/100).
Specs comparison
| Specification | Redmi K20 | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 730 | MediaTek Dimensity 9500 | |
| AnTuTu | 502844 | 4704310 | |
| Geekbench Single | 724 | 3293 | |
| Geekbench Multi | 1836 | 10243 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2340x1080 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 4000 mAh | 8000 mAh | |
| Charging | 18W | 100W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 9 | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 156.7×74.3×8.8 mm | — | |
| Weight | 191 g | 216 g | |
| Launch price | $250 | $499 |
Camera comparison
Redmi K20
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
Redmi K20
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Redmi K20
- 4000 mAh
- Wired: 18W
- Wireless charging: no data
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K20 and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Redmi K20 by 89.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $249. Redmi K20 was $249 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Redmi K20 (97/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Redmi K20 (99/100 vs 56/100).
camera
In the "camera" category, the Vivo iQOO 15T notably outperforms the Redmi K20 (65/100 vs 41/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi K20 (75/100 vs 27/100).
portability
In the "portability" category, the Redmi K20 is a bit better (56/100 vs 44/100).
Frequently asked questions
Which is better: the Redmi K20 or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Redmi K20 by 41 points (82/100 vs 41/100).
What is the rating of the Redmi K20 and the Vivo iQOO 15T?
The Redmi K20 has a MobileRank rating of 41/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Redmi K20 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 41/100).
Which is more powerful: the Redmi K20 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (97/100 vs 41/100).
Should you choose the Redmi K20 over the Vivo iQOO 15T?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.