Redmi K70 Ultra vs Vivo iQOO 15 Ultra
The Redmi K70 Ultra (2024) runs on the MediaTek Dimensity 9300+, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $375 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 68/100 (a 21-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,384,849).
Profile comparison
Category scores
Redmi K70 Ultra
Vivo iQOO 15 Ultra
What makes Redmi K70 Ultra better?
- Lighter: 213g vs 227g
- Cheaper at launch: $375 vs $799
- Better portability (46/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2384849
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- Bigger battery: 7400 vs 5500 mAh
- Higher performance (99/100 vs 83/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (92/100 vs 70/100)
- Better display (99/100 vs 93/100)
Comparison verdict
Comparing the Redmi K70 Ultra vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 21 points higher (89/100 vs 68/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 70/100). Value score: Redmi K70 Ultra — 66/100, Vivo iQOO 15 Ultra — 92/100; 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 15 Ultra notably outperforms the Redmi K70 Ultra (99/100 vs 83/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 93/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K70 Ultra (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi K70 Ultra (92/100 vs 70/100). In the "portability" category, the Redmi K70 Ultra is a bit better (46/100 vs 35/100).
Specs comparison
| Specification | Redmi K70 Ultra | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9300+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2384849 | 4602290 | |
| Geekbench Single | 2249 | 3639 | |
| Geekbench Multi | 7352 | 11047 | |
| Display | 6.7" OLED | 6.8" LTPO AMOLED | |
| Resolution | 1220x2712 | 1440x3168 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 5500 mAh | 7400 mAh | |
| Charging | 120W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 4000 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 160.4×75.1×8.4 mm | 163.7×76.8×8.7 mm | |
| Weight | 213 g | 227 g | |
| Launch price | $375 | $799 |
Camera comparison
Redmi K70 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K70 Ultra
- 6.7" OLED
- Resolution: 1220x2712
- Refresh rate: 144 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Redmi K70 Ultra
- 5500 mAh
- Wired: 120W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Redmi K70 Ultra and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi K70 Ultra by 48.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $424. Redmi K70 Ultra was $424 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi K70 Ultra (99/100 vs 83/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 93/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi K70 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi K70 Ultra (92/100 vs 70/100).
portability
In the "portability" category, the Redmi K70 Ultra is a bit better (46/100 vs 35/100).
Frequently asked questions
Which is better: the Redmi K70 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi K70 Ultra by 21 points (89/100 vs 68/100).
What is the rating of the Redmi K70 Ultra and the Vivo iQOO 15 Ultra?
The Redmi K70 Ultra has a MobileRank rating of 68/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi K70 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 37/100).
Which is more powerful: the Redmi K70 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 83/100).
Should you choose the Redmi K70 Ultra over the Vivo iQOO 15 Ultra?
The Redmi K70 Ultra is a better fit for gamers and power users. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.