Galaxy S3 Mini 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 36/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Galaxy S3 Mini counters on value.
SpecEagle subscores
56
Display
94
36
Camera
96
26
Performance
95
38
Battery
89
56
Build
92
46
Value
79
Category wins: Galaxy S3 Mini 0 · 6 Xiaomi 15 Ultra
Benchmarks
Test
A · Samsung
B · Xiaomi
AnTuTu v10
8,000
2,660,000▲
Geekbench 6 Single
50
3,090▲
Geekbench 6 Multi
150
10,000▲
3DMark Solar Bay
0.2
80.0▲
Full specifications
A · Samsung
B · Xiaomi
Type
Super AMOLED
LTPO AMOLED, 120 Hz, Dolby Vision
Size
4.0 inches
6.73 inches
Resolution
800 × 480 px
3,200 × 1,440 px (522 ppi)
Peak brightness
—
3,200 nits
Protection
—
Xiaomi Shield Glass
A · Samsung
B · Xiaomi
Main
5 MP, f/2.6
50 MP, f/1.63, 1-inch Sony LYT-900, OIS
Selfie
VGA
32 MP, f/2.0
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
Video
—
8K @ 30 fps · Leica profiles
A · Samsung
B · Xiaomi
Chipset
ST-Ericsson NovaThor U8420
Snapdragon 8 Elite (3 nm)
RAM
1 GB
12 GB / 16 GB LPDDR5X
Storage
8 / 16 GB + microSD
256 GB / 512 GB / 1 TB UFS 4.0
CPU
—
8 cores
GPU
—
Adreno 830
A · Samsung
B · Xiaomi
Capacity
1,500 mAh (removable)
5,410 mAh
Wired
—
90 W HyperCharge
Wireless
—
80 W
Choose Galaxy S3 Mini if…
- Truly pocketable 4″ design.
- Super AMOLED rare at this size.
- Removable battery + microSD.
- Light at 111 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.