Redmi K80 Ultra vs Xiaomi Mi A3

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Xiaomi Mi A3 (2019) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 36/100 (a 37-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 4030); the main camera is 50 MP vs 48 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 329,457); the Redmi K80 Ultra has NFC for contactless payments, the Xiaomi Mi A3 doesn't; the Xiaomi Mi A3 is noticeably lighter (173g vs 219g).

The Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 by 37 points (73/100 vs 36/100).

Profile comparison

Category scores

Redmi K80 Ultra

Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 80

Xiaomi Mi A3

Performance 24
Display 66
Camera 39
Battery 22
Portability 70
Value for money —

What makes Redmi K80 Ultra better?

  • Higher AnTuTu: 2874956 vs 329457
  • Better Geekbench Single: 2729 vs 321
  • Better Geekbench Multi: 8430 vs 1128
  • Bigger battery: 7410 vs 4030 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 50MP vs 48MP

  • Higher performance (89/100 vs 24/100)
  • Longer battery life (86/100 vs 22/100)
  • Better display (94/100 vs 66/100)

What makes Xiaomi Mi A3 better?

  • Lighter: 173g vs 219g

  • Better camera (39/100 vs 37/100)
  • Better portability (70/100 vs 40/100)

Comparison verdict

Comparing the Redmi K80 Ultra vs the Xiaomi Mi A3, the Redmi K80 Ultra scores 37 points higher (73/100 vs 36/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 24/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 22/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 (89/100 vs 24/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Xiaomi Mi A3 (94/100 vs 66/100). In the "camera" category, the Xiaomi Mi A3 and the Redmi K80 Ultra are nearly equal (39/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 (86/100 vs 22/100). In the "portability" category, the Xiaomi Mi A3 significantly outperforms the Redmi K80 Ultra (70/100 vs 40/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K80 Ultra Xiaomi Mi A3
Processor MediaTek Dimensity 9400+ Qualcomm Snapdragon 665
AnTuTu 2874956 329457
Geekbench Single 2729 321
Geekbench Multi 8430 1128
Display 6.8" OLED 6.0" Super AMOLED
Resolution 1280x2772 720x1560
Refresh rate 144 Hz —
Battery 7410 mAh 4030 mAh
Charging 100W 18W
Main camera 50 MP 48 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 4GB
Storage 256GB / 512GB / 1TB 128GB
OS Android 15 Android 9.0 (Pie); Android One
Brightness (peak) 3200 nits —
NFC yes no
Protection IP68 —
Dimensions — 153.5×71.9×8.5 mm
Weight 219 g 173 g
Launch price $350 —

Camera comparison

Redmi K80 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Xiaomi Mi A3

  • Main: 48MP f/1.8
  • Ultrawide: 8MP
  • Front: 32MP
39
camera

Display comparison

Redmi K80 Ultra

  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
94
display

Xiaomi Mi A3

  • 6.0" Super AMOLED
  • Resolution: 720x1560
  • Refresh rate: —
66
display

Battery and charging

Redmi K80 Ultra

  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery

Xiaomi Mi A3

  • 4030 mAh
  • Wired: 18W
  • No wireless charging
22
battery

Overall performance score

We compared Redmi K80 Ultra and Xiaomi Mi A3, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
73/100
2874956 AnTuTu
Xiaomi Mi A3 Qualcomm Snapdragon 665
36/100 -772.6%
329457 AnTuTu

Redmi K80 Ultra leads Xiaomi Mi A3 by 772.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K80 Ultra

$350

Xiaomi Mi A3

Price unknown

Detailed category analysis

performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 (89/100 vs 24/100).

display

In the "display" category, the Redmi K80 Ultra notably outperforms the Xiaomi Mi A3 (94/100 vs 66/100).

camera

In the "camera" category, the Xiaomi Mi A3 and the Redmi K80 Ultra are nearly equal (39/100 vs 37/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 (86/100 vs 22/100).

portability

In the "portability" category, the Xiaomi Mi A3 significantly outperforms the Redmi K80 Ultra (70/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K80 Ultra or the Xiaomi Mi A3?

The Redmi K80 Ultra significantly outperforms the Xiaomi Mi A3 by 37 points (73/100 vs 36/100).

What is the rating of the Redmi K80 Ultra and the Xiaomi Mi A3?

The Redmi K80 Ultra has a MobileRank rating of 73/100, the Xiaomi Mi A3 — 36/100.

Which is more powerful: the Redmi K80 Ultra or the Xiaomi Mi A3?

The Redmi K80 Ultra leads on performance (89/100 vs 24/100).

Should you choose the Redmi K80 Ultra over the Xiaomi Mi A3?

The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.