Redmi K20 Pro Premium vs Vivo iQOO 15

The Redmi K20 Pro Premium (2019) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 215g).

The Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium by 36 points (86/100 vs 50/100).
Profile comparison
Category scores
Redmi K20 Pro Premium
Performance 55
Display 83
Camera 41
Battery 24
Portability 56
Value for money
Vivo iQOO 15
Performance 94
Display 99
Camera 78
Battery 85
Portability 48
Value for money 84
What makes Redmi K20 Pro Premium better?
  • Lighter: 191g vs 215g

  • Better portability (56/100 vs 48/100)
What makes Vivo iQOO 15 better?
  • Higher AnTuTu: 3740528 vs 859084
  • Better Geekbench Single: 3041 vs 1031
  • Better Geekbench Multi: 9494 vs 2864
  • Bigger battery: 7000 vs 4000 mAh
  • Faster charging: 100W vs 27W
  • Better main camera: 50MP vs 48MP

  • Higher performance (94/100 vs 55/100)
  • Better camera (78/100 vs 41/100)
  • Longer battery life (85/100 vs 24/100)
  • Better display (99/100 vs 83/100)
Comparison verdict

Comparing the Redmi K20 Pro Premium vs the Vivo iQOO 15, the Vivo iQOO 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 24/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (94/100 vs 55/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Redmi K20 Pro Premium (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (78/100 vs 41/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (85/100 vs 24/100). In the "portability" category, the Redmi K20 Pro Premium is a bit better (56/100 vs 48/100).

Redmi K20 Pro Premium: The Redmi K20 Pro Premium is a better fit for everyday use.
Vivo iQOO 15: The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi K20 Pro Premium Vivo iQOO 15
Processor Qualcomm Snapdragon 855+ Qualcomm Snapdragon 8 Elite
AnTuTu 859084 3740528
Geekbench Single 1031 3041
Geekbench Multi 2864 9494
Display 6.4" Super AMOLED 6.8" LTPO AMOLED
Resolution 1080x2340 1440x3168
Refresh rate 144 Hz
Battery 4000 mAh 7000 mAh
Charging 27W 100W
Wireless charging 0W 40W
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
Storage 128GB / 512GB 256GB / 512GB / 1TB
OS Android 10; MIUI 11 Android 16
Brightness (peak) 6000 nits
NFC yes yes
Protection IP68
Dimensions 156.7×74.3×8.8 mm 163.7×76.8×8.1 mm
Weight 191 g 215 g
Launch price $599
Camera comparison
Redmi K20 Pro Premium
  • Main: 48MP f/f/1.8
  • Ultrawide: 13MP
  • Telephoto: 8MP
  • Front: 20MP
41
camera
Vivo iQOO 15
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Redmi K20 Pro Premium
  • 6.4" Super AMOLED
  • Resolution: 1080x2340
  • Refresh rate: —
83
display
Vivo iQOO 15
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display
Battery and charging
Redmi K20 Pro Premium
  • 4000 mAh
  • Wired: 27W
  • No wireless charging
24
battery
Vivo iQOO 15
  • 7000 mAh
  • NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery
Overall performance score

We compared Redmi K20 Pro Premium and Vivo iQOO 15, covering their specs and all relevant benchmarks.

Redmi K20 Pro Premium Qualcomm Snapdragon 855+
50/100
859084 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite
86/100 +77.0%
3740528 AnTuTu

Vivo iQOO 15 leads Redmi K20 Pro Premium by 77.0% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K20 Pro Premium
Price unknown
Vivo iQOO 15
$599
Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (94/100 vs 55/100).

display

In the "display" category, the Vivo iQOO 15 notably outperforms the Redmi K20 Pro Premium (99/100 vs 83/100).

camera

In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (78/100 vs 41/100).

battery

In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium (85/100 vs 24/100).

portability

In the "portability" category, the Redmi K20 Pro Premium is a bit better (56/100 vs 48/100).

Frequently asked questions
Which is better: the Redmi K20 Pro Premium or the Vivo iQOO 15?

The Vivo iQOO 15 significantly outperforms the Redmi K20 Pro Premium by 36 points (86/100 vs 50/100).

What is the rating of the Redmi K20 Pro Premium and the Vivo iQOO 15?

The Redmi K20 Pro Premium has a MobileRank rating of 50/100, the Vivo iQOO 15 — 86/100.

Which has the better camera: the Redmi K20 Pro Premium or the Vivo iQOO 15?

The Vivo iQOO 15 leads on camera score (78/100 vs 41/100).

Which is more powerful: the Redmi K20 Pro Premium or the Vivo iQOO 15?

The Vivo iQOO 15 leads on performance (94/100 vs 55/100).

Should you choose the Redmi K20 Pro Premium over the Vivo iQOO 15?

The Redmi K20 Pro Premium is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.