Oppo F31 vs Xiaomi 18 Fold

The Oppo F31 (2025) runs on the MediaTek Dimensity 6300, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 51/100 (a 35-point difference). Key differences: the Oppo F31 has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 528,398); the Xiaomi 18 Fold has NFC for contactless payments, the Oppo F31 doesn't; the Oppo F31 is noticeably lighter (185g vs 219g).

The Xiaomi 18 Fold significantly outperforms the Oppo F31 by 35 points (86/100 vs 51/100).

Profile comparison

Category scores

Oppo F31

Performance 43
Display 80
Camera 32
Battery 68
Portability 68
Value for money —

Xiaomi 18 Fold

Performance 99
Display 79
Camera 85
Battery 75
Portability 64
Value for money 80

What makes Oppo F31 better?

  • Bigger battery: 7000 vs 6000 mAh
  • Faster charging: 80W vs 67W
  • Lighter: 185g vs 219g

  • Better display (80/100 vs 79/100)
  • Better portability (68/100 vs 64/100)

What makes Xiaomi 18 Fold better?

  • Higher AnTuTu: 5228014 vs 528398
  • Better Geekbench Single: 3715 vs 771
  • Better Geekbench Multi: 14213 vs 1980
  • Better main camera: 200MP vs 50MP

  • Higher performance (99/100 vs 43/100)
  • Better camera (85/100 vs 32/100)
  • Longer battery life (75/100 vs 68/100)

Comparison verdict

Comparing the Oppo F31 vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 35 points higher (86/100 vs 51/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 43/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 32/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Oppo F31 (99/100 vs 43/100). In the "display" category, the Oppo F31 and the Xiaomi 18 Fold are nearly equal (80/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Oppo F31 (85/100 vs 32/100). In the "battery" category, the Xiaomi 18 Fold is a bit better (75/100 vs 68/100). In the "portability" category, the Oppo F31 and the Xiaomi 18 Fold are nearly equal (68/100 vs 64/100).

Xiaomi 18 Fold: The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Oppo F31 Xiaomi 18 Fold
Processor MediaTek Dimensity 6300 Xiaomi XRING O3
AnTuTu 528398 5228014
Geekbench Single 771 3715
Geekbench Multi 1980 14213
Display 6.6" AMOLED 7.6" LTPO AMOLED
Resolution 1080x2372 1672x2364
Refresh rate 120 Hz 120 Hz
Battery 7000 mAh 6000 mAh
Charging 80W 67W
Wireless charging 0W 50W
Main camera 50 MP 200 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 16 MP
RAM 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 15, ColorOS 15 Android 16
Brightness (peak) 1400 nits 4000 nits
NFC no yes
Protection IP68 IP59
Dimensions 158.2×75.0×8.0 mm 159.7×145.1×5.0 mm
Weight 185 g 219 g
Launch price — $1639

Camera comparison

Oppo F31

  • Main: 50MP f/1.8
  • Front: 16MP
32
camera

Xiaomi 18 Fold

  • Main: 200MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 16MP
85
camera

Display comparison

Oppo F31

  • 6.6" AMOLED
  • Resolution: 1080x2372
  • Refresh rate: 120 Hz
80
display

Xiaomi 18 Fold

  • 7.6" LTPO AMOLED
  • Resolution: 1672x2364
  • Refresh rate: 120 Hz
79
display

Battery and charging

Oppo F31

  • 7000 mAh
  • Wired: 80W
  • No wireless charging
68
battery

Xiaomi 18 Fold

  • 6000 mAh
  • Wired: 67W
  • Wireless: 50W
75
battery

Overall performance score

We compared Oppo F31 and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.

Oppo F31 MediaTek Dimensity 6300
51/100
528398 AnTuTu
Xiaomi 18 Fold Xiaomi XRING O3
86/100 +89.9%
5228014 AnTuTu

Xiaomi 18 Fold leads Oppo F31 by 89.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Oppo F31

Price unknown

Xiaomi 18 Fold

$1639

Detailed category analysis

performance

In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Oppo F31 (99/100 vs 43/100).

display

In the "display" category, the Oppo F31 and the Xiaomi 18 Fold are nearly equal (80/100 vs 79/100).

camera

In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Oppo F31 (85/100 vs 32/100).

battery

In the "battery" category, the Xiaomi 18 Fold is a bit better (75/100 vs 68/100).

portability

In the "portability" category, the Oppo F31 and the Xiaomi 18 Fold are nearly equal (68/100 vs 64/100).

Frequently asked questions

Which is better: the Oppo F31 or the Xiaomi 18 Fold?

The Xiaomi 18 Fold significantly outperforms the Oppo F31 by 35 points (86/100 vs 51/100).

What is the rating of the Oppo F31 and the Xiaomi 18 Fold?

The Oppo F31 has a MobileRank rating of 51/100, the Xiaomi 18 Fold — 86/100.

Which has the better camera: the Oppo F31 or the Xiaomi 18 Fold?

The Xiaomi 18 Fold leads on camera score (85/100 vs 32/100).

Which is more powerful: the Oppo F31 or the Xiaomi 18 Fold?

The Xiaomi 18 Fold leads on performance (99/100 vs 43/100).

Should you choose the Oppo F31 over the Xiaomi 18 Fold?

The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.