Galaxy S8 vs Xiaomi 15 Ultra
Side-by-side specs, benchmarks and the SpecEagle AI verdict.
vs
AI Verdict
The Xiaomi 15 Ultra takes the overall edge with a 89/100 to 64/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Galaxy S8 counters on value.
SpecEagle subscores
83
Display
94
70
Camera
96
60
Performance
95
64
Battery
89
82
Build
92
62
Value
79
Category wins: Galaxy S8 0 · 6 Xiaomi 15 Ultra
Benchmarks
Test
A · Samsung
B · Xiaomi
AnTuTu v10
315,000
2,660,000▲
Geekbench 6 Single
695
3,090▲
Geekbench 6 Multi
1,820
10,000▲
3DMark Solar Bay
6.0
80.0▲
Full specifications
A · Samsung
B · Xiaomi
Type
Super AMOLED Infinity Display, 60 Hz
LTPO AMOLED, 120 Hz, Dolby Vision
Size
5.8 inches
6.73 inches
Resolution
2,960 × 1,440 px (570 ppi)
3,200 × 1,440 px (522 ppi)
Protection
Gorilla Glass 5
Xiaomi Shield Glass
Peak brightness
—
3,200 nits
A · Samsung
B · Xiaomi
Main
12 MP, f/1.7, OIS
50 MP, f/1.63, 1-inch Sony LYT-900, OIS
Selfie
8 MP, f/1.7, autofocus
32 MP, f/2.0
Video
4K @ 30 fps
8K @ 30 fps · Leica profiles
Features
Dual Pixel PDAF
—
Ultrawide
—
50 MP, f/2.2, 115° FoV
Telephoto
—
50 MP, f/1.8, 3× optical
Periscope
—
200 MP, f/2.6, 4.3× optical, Samsung HP9
A · Samsung
B · Xiaomi
Chipset
Snapdragon 835 / Exynos 8895 (10 nm)
Snapdragon 8 Elite (3 nm)
CPU
8 cores
8 cores
GPU
Adreno 540 / Mali-G71
Adreno 830
RAM
4 GB
12 GB / 16 GB LPDDR5X
Storage
64 GB · microSD
256 GB / 512 GB / 1 TB UFS 4.0
A · Samsung
B · Xiaomi
Capacity
3,000 mAh
5,410 mAh
Wired
15 W
90 W HyperCharge
Wireless
9 W
80 W
Choose Galaxy S8 if…
- Compact body with the new Infinity Display.
- Sharp QHD+ AMOLED.
- IP68, headphone jack and microSD.
- Light at 155 g.
Choose Xiaomi 15 Ultra if…
- One of the best phone camera systems ever — especially the 200 MP periscope.
- 1-inch main sensor delivers genuinely DSLR-like depth.
- 90 W wired + 80 W wireless charging.
- Bright, high-resolution Dolby Vision display.