Oppo A78 4G vs Redmi K80 Ultra

The Oppo A78 4G (2023) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 42/100 (a 31-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 421,228); the Oppo A78 4G is noticeably lighter (180g vs 219g).

The Redmi K80 Ultra significantly outperforms the Oppo A78 4G by 31 points (73/100 vs 42/100).
Profile comparison
Category scores
Oppo A78 4G
Performance 31
Display 69
Camera 30
Battery 53
Portability 72
Value for money
Redmi K80 Ultra
Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 86
What makes Oppo A78 4G better?
  • Lighter: 180g vs 219g

  • Better portability (72/100 vs 40/100)
What makes Redmi K80 Ultra better?
  • Higher AnTuTu: 2876004 vs 421228
  • Better Geekbench Single: 2729 vs 412
  • Better Geekbench Multi: 8430 vs 1410
  • Bigger battery: 7410 vs 5000 mAh
  • Faster charging: 100W vs 67W
  • Higher refresh rate: 144Hz vs 90Hz

  • Higher performance (89/100 vs 31/100)
  • Better camera (37/100 vs 30/100)
  • Longer battery life (86/100 vs 53/100)
  • Better display (94/100 vs 69/100)
Comparison verdict

Comparing the Oppo A78 4G vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 31 points higher (73/100 vs 42/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 31/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 53/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Oppo A78 4G (89/100 vs 31/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Oppo A78 4G (94/100 vs 69/100). In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Oppo A78 4G (86/100 vs 53/100). In the "portability" category, the Oppo A78 4G significantly outperforms the Redmi K80 Ultra (72/100 vs 40/100).

Oppo A78 4G: The Oppo A78 4G is a better fit for everyday use.
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 Oppo A78 4G Redmi K80 Ultra
Processor Qualcomm Snapdragon 680 4G MediaTek Dimensity 9400+
AnTuTu 421228 2876004
Geekbench Single 412 2729
Geekbench Multi 1410 8430
Display 6.4" AMOLED 6.8" OLED
Resolution 1080x2400 1280x2772
Refresh rate 90 Hz 144 Hz
Battery 5000 mAh 7410 mAh
Charging 67W 100W
Main camera 50 MP 50 MP
Ultrawide 0 MP 8 MP
Front camera 8 MP 20 MP
RAM 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 13, ColorOS 13.1 Android 15
Brightness (peak) 430 nits 3200 nits
NFC yes yes
Protection IP54 IP68
Dimensions 160.0×73.2×7.9 mm
Weight 180 g 219 g
Launch price $350
Camera comparison
Oppo A78 4G
  • Main: 50MP f/f/1.8
  • Front: 8MP
30
camera
Redmi K80 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Oppo A78 4G
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
69
display
Redmi K80 Ultra
  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
94
display
Battery and charging
Oppo A78 4G
  • 5000 mAh
  • Wired: 67W
  • No wireless charging
53
battery
Redmi K80 Ultra
  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery
Overall performance score

We compared Oppo A78 4G and Redmi K80 Ultra, covering their specs and all relevant benchmarks.

Oppo A78 4G Qualcomm Snapdragon 680 4G
42/100
421228 AnTuTu
Redmi K80 Ultra MediaTek Dimensity 9400+
73/100 +85.4%
2876004 AnTuTu

Redmi K80 Ultra leads Oppo A78 4G by 85.4% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Oppo A78 4G
Price unknown
Redmi K80 Ultra
$350
Detailed category analysis
performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Oppo A78 4G (89/100 vs 31/100).

display

In the "display" category, the Redmi K80 Ultra notably outperforms the Oppo A78 4G (94/100 vs 69/100).

camera

In the "camera" category, the Redmi K80 Ultra is a bit better (37/100 vs 30/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Oppo A78 4G (86/100 vs 53/100).

portability

In the "portability" category, the Oppo A78 4G significantly outperforms the Redmi K80 Ultra (72/100 vs 40/100).

Frequently asked questions
Which is better: the Oppo A78 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra significantly outperforms the Oppo A78 4G by 31 points (73/100 vs 42/100).

What is the rating of the Oppo A78 4G and the Redmi K80 Ultra?

The Oppo A78 4G has a MobileRank rating of 42/100, the Redmi K80 Ultra — 73/100.

Which has the better camera: the Oppo A78 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra leads on camera score (37/100 vs 30/100).

Which is more powerful: the Oppo A78 4G or the Redmi K80 Ultra?

The Redmi K80 Ultra leads on performance (89/100 vs 31/100).

Should you choose the Oppo A78 4G over the Redmi K80 Ultra?

The Oppo A78 4G is a better fit for everyday use. The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.