Galaxy S II 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 16/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Galaxy S II counters on value.

SpecEagle subscores

36
Display
94
28
Camera
96
12
Performance
95
30
Battery
89
38
Build
92
24
Value
79
Category wins: Galaxy S II 0 · 6 Xiaomi 15 Ultra

Benchmarks

Test
A · Samsung
B · Xiaomi
AnTuTu v10
9,000
2,660,000
Geekbench 6 Single
45
3,090
Geekbench 6 Multi
95
10,000
3DMark Solar Bay
0.3
80.0

Full specifications

A · Samsung
B · Xiaomi
Type
Super AMOLED Plus
LTPO AMOLED, 120 Hz, Dolby Vision
Size
4.3 inches
6.73 inches
Resolution
800 × 480 px (217 ppi)
3,200 × 1,440 px (522 ppi)
Protection
Gorilla Glass
Xiaomi Shield Glass
Peak brightness
3,200 nits
A · Samsung
B · Xiaomi
Main
8 MP, f/2.65
50 MP, f/1.63, 1-inch Sony LYT-900, OIS
Selfie
2 MP
32 MP, f/2.0
Video
1080p @ 30 fps
8K @ 30 fps · Leica profiles
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
Exynos 4210 (45 nm)
Snapdragon 8 Elite (3 nm)
CPU
Dual-core 1.2 GHz
8 cores
GPU
Mali-400 MP4
Adreno 830
RAM
1 GB
12 GB / 16 GB LPDDR5X
Storage
16 GB / 32 GB · microSD
256 GB / 512 GB / 1 TB UFS 4.0
A · Samsung
B · Xiaomi
Capacity
1,650 mAh (removable)
5,410 mAh
Wired
~10 W
90 W HyperCharge
Wireless
No
80 W
Choose Galaxy S II if…
  • Remarkably thin and light for 2011.
  • Fast dual-core Exynos and a vivid Super AMOLED Plus screen.
  • Removable battery and microSD.
  • A huge commercial success.
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.