Xiaomi 12 vs Galaxy S25 Ultra

Side-by-side specs, benchmarks and the SpecEagle AI verdict.

vs
AI Verdict

The Galaxy S25 Ultra takes the overall edge with a 89/100 to 75/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Xiaomi 12 counters on value.

SpecEagle subscores

82
Display
96
78
Camera
93
80
Performance
94
75
Battery
88
80
Build
93
75
Value
78
Category wins: Xiaomi 12 0 · 6 Galaxy S25 Ultra

Benchmarks

Test
A · Xiaomi
B · Samsung
AnTuTu v10
970,000
2,580,000
Geekbench 6 Single
1,500
3,050
Geekbench 6 Multi
4,100
9,900
3DMark Solar Bay
34.0
78.0

Full specifications

A · Xiaomi
B · Samsung
Type
LTPO AMOLED, 120 Hz
LTPO AMOLED 2X, 120 Hz, HDR10+
Size
6.28 inches
6.9 inches
Resolution
2,400 × 1,080 px
3,120 × 1,440 px (498 ppi)
Peak brightness
2,600 nits
Protection
Corning Gorilla Armor 2
Always-on
Yes
A · Xiaomi
B · Samsung
Main
50 MP, f/1.9, OIS
200 MP, f/1.7, multi-directional PDAF, OIS
Ultrawide
13 MP
50 MP, f/1.9, 120° FoV
Telephoto
5 MP (2× macro)
Selfie
32 MP
12 MP, f/2.2
Telephoto 1
10 MP, f/2.4, 3× optical
Telephoto 2
50 MP, f/3.4, 5× optical
Video
8K @ 30 fps · 4K @ 120 fps
A · Xiaomi
B · Samsung
Chipset
Snapdragon 8 Gen 1 (4 nm)
Snapdragon 8 Elite for Galaxy (3 nm)
RAM
8 / 12 GB
12 GB LPDDR5X
Storage
128 / 256 GB
256 GB / 512 GB / 1 TB UFS 4.0
CPU
8 cores (2 × 4.47 GHz + 6 × 3.53 GHz)
GPU
Adreno 830
A · Xiaomi
B · Samsung
Capacity
4,500 mAh
5,000 mAh
Wired
67 W
45 W
Wireless
50 W
15 W Qi2
Reverse
4.5 W wireless
Choose Xiaomi 12 if…
  • Genuinely compact flagship.
  • 67 W + 50 W wireless.
  • Harman Kardon speakers.
  • Bright LTPO panel.
Choose Galaxy S25 Ultra if…
  • The most versatile camera system on any phone — four useful focal lengths.
  • Seven years of OS updates matches Apple for longevity.
  • Gorilla Armor 2 glass is the most scratch- and glare-resistant around.
  • Built-in S Pen still has no real equivalent elsewhere.