Xiaomi 18 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 88/100 SpecEagle score, leading on Display, Performance, Camera, Build, Value. The Xiaomi 18 counters on Software.
SpecEagle subscores
88
Display
96
92
Performance
94
86
Camera
93
88
Battery
88
82
Software
0
0
Build
93
0
Value
78
Category wins: Xiaomi 18 1 · 5 Galaxy S25 Ultra
Benchmarks
Test
A · Xiaomi
B · Samsung
AnTuTu v10
3,700,000▲
2,580,000
Geekbench 6 Single
—
3,050
Geekbench 6 Multi
—
9,900
3DMark Solar Bay
—
78.0
Full specifications
A · Xiaomi
B · Samsung
Type
LTPO OLED
LTPO AMOLED 2X, 120 Hz, HDR10+
Size
6.36"
6.9 inches
Refresh
1-120 Hz
—
Resolution
—
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 LYT-808 OIS
200 MP, f/1.7, multi-directional PDAF, OIS
Telephoto
50 MP 2.6x
—
Ultrawide
50 MP
50 MP, f/1.9, 120° FoV
Front
32 MP
—
Telephoto 1
—
10 MP, f/2.4, 3× optical
Telephoto 2
—
50 MP, f/3.4, 5× optical
Selfie
—
12 MP, f/2.2
Video
—
8K @ 30 fps · 4K @ 120 fps
A · Xiaomi
B · Samsung
Chipset
Snapdragon 8 Elite Gen 5
Snapdragon 8 Elite for Galaxy (3 nm)
RAM
16 GB
12 GB LPDDR5X
Storage
512 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
6,500 mAh Si-C
5,000 mAh
Charging
100 W
—
Wireless
80 W
15 W Qi2
Wired
—
45 W
Reverse
—
4.5 W wireless
A · Xiaomi
B · Samsung
IP rating
IP68
—
Body
Glass + aluminium
—
Weight
195 g
—
A · Xiaomi
B · Samsung
Launch OS
Android 16
—
HyperOS
3
—
A · Xiaomi
B · Samsung
Leica
Color
—
Choose Xiaomi 18 if…
- 6.36" compact flagship.
- 6,500 mAh Si-C + 80 W wireless.
- Leica color science.
- IP68 rated.
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.