Samsung Galaxy M31 Prime vs Xiaomi 17 Ultra (China)

The Samsung Galaxy M31 Prime (2020) runs on the Exynos 9611, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 44/100 (a 43-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 6000); the main camera is 64 MP vs 50 MP; the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 355,351); the Xiaomi 17 Ultra (China) has NFC for contactless payments, the Samsung Galaxy M31 Prime doesn't.

The Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime by 43 points (87/100 vs 44/100).

Profile comparison

Category scores

Samsung Galaxy M31 Prime

Performance 25
Display 83
Camera 48
Battery 51
Portability —
Value for money —

Xiaomi 17 Ultra (China)

Performance 98
Display 81
Camera 87
Battery 83
Portability 42
Value for money 88

What makes Samsung Galaxy M31 Prime better?

  • Better main camera: 64MP vs 50MP

  • Better display (83/100 vs 81/100)

What makes Xiaomi 17 Ultra (China) better?

  • Higher AnTuTu: 3950082 vs 355351
  • Better Geekbench Single: 3639 vs 365
  • Better Geekbench Multi: 11047 vs 1107
  • Bigger battery: 6800 vs 6000 mAh
  • Faster charging: 90W vs 15W

  • Higher performance (98/100 vs 25/100)
  • Better camera (87/100 vs 48/100)
  • Longer battery life (83/100 vs 51/100)

Comparison verdict

Comparing the Samsung Galaxy M31 Prime vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 43 points higher (87/100 vs 44/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 25/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 48/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 51/100). In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (98/100 vs 25/100). In the "display" category, the Samsung Galaxy M31 Prime and the Xiaomi 17 Ultra (China) are nearly equal (83/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (87/100 vs 48/100). In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (83/100 vs 51/100).

Xiaomi 17 Ultra (China): The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Samsung Galaxy M31 Prime Xiaomi 17 Ultra (China)
Processor Exynos 9611 Snapdragon 8 Elite Gen 5
AnTuTu 355351 3950082
Geekbench Single 365 3639
Geekbench Multi 1107 11047
Display 6.4" Super AMOLED 6.9" LTPO AMOLED
Resolution 1080x2340 1200x2608
Refresh rate — 120 Hz
Battery 6000 mAh 6800 mAh
Charging 15W 90W
Wireless charging 0W 50W
Main camera 64 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 32 MP 50 MP
RAM 6GB 12GB / 16GB
Storage 64GB / 128GB 512GB / 1TB
OS Android 10, One UI 2.1 Android 16
NFC no yes
Protection — IP68/IP69
Dimensions — 162.9×77.6×8.3 mm
Weight — 224 g
Launch price — $892

Camera comparison

Samsung Galaxy M31 Prime

  • Main: 64MP f/1.8
  • Ultrawide: 8MP
  • Front: 32MP
48
camera

Xiaomi 17 Ultra (China)

  • Main: 50MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 50MP
87
camera

Display comparison

Samsung Galaxy M31 Prime

  • 6.4" Super AMOLED
  • Resolution: 1080x2340
  • Refresh rate: —
83
display

Xiaomi 17 Ultra (China)

  • 6.9" LTPO AMOLED
  • Resolution: 1200x2608
  • Refresh rate: 120 Hz
81
display

Battery and charging

Samsung Galaxy M31 Prime

  • 6000 mAh
  • Wired: 15W
  • No wireless charging
51
battery

Xiaomi 17 Ultra (China)

  • 6800 mAh
  • Wired: 90W
  • Wireless: 50W
83
battery

Overall performance score

We compared Samsung Galaxy M31 Prime and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.

Samsung Galaxy M31 Prime Exynos 9611
44/100
355351 AnTuTu
Xiaomi 17 Ultra (China) Snapdragon 8 Elite Gen 5
87/100 +91.0%
3950082 AnTuTu

Xiaomi 17 Ultra (China) leads Samsung Galaxy M31 Prime by 91.0% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Samsung Galaxy M31 Prime

Price unknown

Xiaomi 17 Ultra (China)

$892

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (98/100 vs 25/100).

display

In the "display" category, the Samsung Galaxy M31 Prime and the Xiaomi 17 Ultra (China) are nearly equal (83/100 vs 81/100).

camera

In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (87/100 vs 48/100).

battery

In the "battery" category, the Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime (83/100 vs 51/100).

Frequently asked questions

Which is better: the Samsung Galaxy M31 Prime or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) significantly outperforms the Samsung Galaxy M31 Prime by 43 points (87/100 vs 44/100).

What is the rating of the Samsung Galaxy M31 Prime and the Xiaomi 17 Ultra (China)?

The Samsung Galaxy M31 Prime has a MobileRank rating of 44/100, the Xiaomi 17 Ultra (China) — 87/100.

Which has the better camera: the Samsung Galaxy M31 Prime or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 48/100).

Which is more powerful: the Samsung Galaxy M31 Prime or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 25/100).

Should you choose the Samsung Galaxy M31 Prime over the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.