Redmi K80 Ultra vs Samsung Galaxy A15

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Samsung Galaxy A15 (2024) runs on the MediaTek Helio G99; estimated prices are $350 and $200. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 26/100 (a 34-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 503,308); the Samsung Galaxy A15 is noticeably lighter (200g vs 219g).

The Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 by 34 points (60/100 vs 26/100).
Profile comparison
Category scores
Redmi K80 Ultra
Performance 61
Display 100
Camera 32
Battery 72
Design 26
Value for money 86
Samsung Galaxy A15
Performance 0
Display 50
Camera 29
Battery 36
Design 50
Value for money 96
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 503308
  • Better Geekbench Single: 2729 vs 760
  • Better Geekbench Multi: 8430 vs 1890
  • Bigger battery: 7410 vs 5000 mAh
  • Higher refresh rate: 144Hz vs 90Hz

  • Higher performance (61/100 vs 0/100)
  • Better camera (32/100 vs 29/100)
  • Longer battery life (72/100 vs 36/100)
  • Better display (100/100 vs 50/100)
What makes Samsung Galaxy A15 better?
  • Lighter: 200g vs 219g
  • Cheaper: $200 vs $350

  • Better design/ergonomics (50/100 vs 26/100)
  • Better value for money (96/100 vs 86/100)
Comparison verdict

Comparing the Redmi K80 Ultra vs the Samsung Galaxy A15, the Redmi K80 Ultra scores 34 points higher (60/100 vs 26/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 0/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 36/100). In the "value for money" category, the Samsung Galaxy A15 leads (96/100 vs 86/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (61/100 vs 0/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (100/100 vs 50/100). In the "camera" category, the Redmi K80 Ultra and the Samsung Galaxy A15 are nearly equal (32/100 vs 29/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (72/100 vs 36/100). In the "design" category, the Samsung Galaxy A15 notably outperforms the Redmi K80 Ultra (50/100 vs 26/100). In the "value for money" category, the Samsung Galaxy A15 is a bit better (96/100 vs 86/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers.
Samsung Galaxy A15: The Samsung Galaxy A15 is a better fit for budget-conscious buyers.
Specs comparison
Specification Redmi K80 Ultra Samsung Galaxy A15
Processor MediaTek Dimensity 9400+ MediaTek Helio G99
AnTuTu 2876004 503308
Geekbench Single 2729 760
Geekbench Multi 8430 1890
Display 6.8" OLED 6.5" AMOLED
Resolution 1280x2772
Refresh rate 144 Hz 90 Hz
Battery 7410 mAh 5000 mAh
Charging 100W
DXOMark (camera) 83
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 13 MP
RAM 12GB / 16GB 4GB / 6GB / 8GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 15
Brightness (peak) 3200 nits
NFC yes
Protection IP68
Weight 219 g 200 g
Price $350 $200
Camera comparison
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Samsung Galaxy A15
  • Main: 50MP
  • Front: 13MP
29
camera
Display comparison
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
100
display
Samsung Galaxy A15
  • 6.5" AMOLED
  • Refresh rate: 90 Hz
50
display
Battery and charging
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Samsung Galaxy A15
  • 5000 mAh
  • No wireless charging
36
battery
Overall performance score

We compared Redmi K80 Ultra and Samsung Galaxy A15, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
60/100
2876004 AnTuTu
Samsung Galaxy A15 MediaTek Helio G99
26/100 -471.4%
503308 AnTuTu

Redmi K80 Ultra leads Samsung Galaxy A15 by 471.4% in our overall performance rating.

Benchmarks
Price and availability
Redmi K80 Ultra
$350
Samsung Galaxy A15
$200

Price difference: $150. Samsung Galaxy A15 is cheaper by $150.

Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (61/100 vs 0/100).

display

In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (100/100 vs 50/100).

camera

In the "camera" category, the Redmi K80 Ultra and the Samsung Galaxy A15 are nearly equal (32/100 vs 29/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 (72/100 vs 36/100).

design

In the "design" category, the Samsung Galaxy A15 notably outperforms the Redmi K80 Ultra (50/100 vs 26/100).

value for money

In the "value for money" category, the Samsung Galaxy A15 is a bit better (96/100 vs 86/100).

Frequently asked questions
Which is better: the Redmi K80 Ultra or the Samsung Galaxy A15?

The Redmi K80 Ultra significantly outperforms the Samsung Galaxy A15 by 34 points (60/100 vs 26/100).

What is the rating of the Redmi K80 Ultra and the Samsung Galaxy A15?

The Redmi K80 Ultra has a MobileRank rating of 60/100, the Samsung Galaxy A15 — 26/100.

Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy A15?

The Redmi K80 Ultra leads on performance (61/100 vs 0/100).

Should you choose the Redmi K80 Ultra over the Samsung Galaxy A15?

The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Samsung Galaxy A15 is a better fit for budget-conscious buyers.