Redmi K90s 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 86/100 SpecEagle score, leading on Display, Performance, Camera, Build, Value. The Redmi K90s counters on Battery, Software.
SpecEagle subscores
88
Display
96
90
Performance
94
80
Camera
93
94
Battery
88
78
Software
0
0
Build
93
0
Value
78
Category wins: Redmi K90s 2 · 5 Galaxy S25 Ultra
Benchmarks
Test
A · Xiaomi
B · Samsung
AnTuTu v10
2,700,000▲
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
6.83"
6.9 inches
Refresh
144 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 OIS
200 MP, f/1.7, multi-directional PDAF, OIS
Ultrawide
8 MP
50 MP, f/1.9, 120° FoV
Telephoto
12 MP 2x
—
Front
20 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
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
7,500 mAh Si-C
5,000 mAh
Charging
120 W
—
Wired
—
45 W
Wireless
—
15 W Qi2
Reverse
—
4.5 W wireless
A · Xiaomi
B · Samsung
IP rating
IP68
—
Body
Glass
—
Weight
220 g
—
A · Xiaomi
B · Samsung
Launch OS
Android 16
—
HyperOS
3
—
A · Xiaomi
B · Samsung
7,500 mAh
Class-leading
—
Choose Redmi K90s if…
- SD 8 Elite at $420.
- 7,500 mAh Si-C.
- 120 W charging.
- 2x telephoto.
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.