Redmi K80 Ultra 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 84/100 SpecEagle score, leading on Display, Camera, Build. The Redmi K80 Ultra counters on Battery, Value.
SpecEagle subscores
88
Display
96
78
Camera
93
94
Performance
94
92
Battery
88
82
Build
93
86
Value
78
Category wins: Redmi K80 Ultra 2 · 3 Galaxy S25 Ultra
Benchmarks
Test
A · Xiaomi
B · Samsung
AnTuTu v10
2,900,000▲
2,580,000
Geekbench 6 Single
2,900
3,050▲
Geekbench 6 Multi
9,000
9,900▲
3DMark Solar Bay
58.0
78.0▲
Full specifications
A · Xiaomi
B · Samsung
Type
AMOLED, 120 Hz, 3,200 nits peak
LTPO AMOLED 2X, 120 Hz, HDR10+
Size
6.83 inches
6.9 inches
Resolution
2,772 × 1,280 px (1.5K)
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/1.6 (Light Hunter 800), OIS
200 MP, f/1.7, multi-directional PDAF, OIS
Ultrawide
8 MP, f/2.2
50 MP, f/1.9, 120° FoV
Selfie
20 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
MediaTek Dimensity 9400+ (3 nm)
Snapdragon 8 Elite for Galaxy (3 nm)
RAM
12 / 16 GB
12 GB LPDDR5X
Storage
256 / 512 GB / 1 TB
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
7,000 mAh (silicon-carbon)
5,000 mAh
Wired
100 W
45 W
Wireless
—
15 W Qi2
Reverse
—
4.5 W wireless
Choose Redmi K80 Ultra if…
- Dimensity 9400+ flagship silicon at $480.
- 7,000 mAh + 100 W charging.
- 1.5K AMOLED, 3,200 nits.
- IP68 + Wi-Fi 7.
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.