Galaxy Quantum 4 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 74/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Galaxy Quantum 4 counters on value.
SpecEagle subscores
82
Display
94
72
Camera
96
70
Performance
95
80
Battery
89
74
Build
92
0
Value
79
Category wins: Galaxy Quantum 4 0 · 6 Xiaomi 15 Ultra
Benchmarks
Test
A · Samsung
B · Xiaomi
AnTuTu v9
560,000
—
AnTuTu v10
—
2,660,000
Geekbench 6 Single
—
3,090
Geekbench 6 Multi
—
10,000
3DMark Solar Bay
—
80.0
Full specifications
A · Samsung
B · Xiaomi
Type
Super AMOLED, 120Hz
LTPO AMOLED, 120 Hz, Dolby Vision
Size
6.6 inches
6.73 inches
Resolution
1080 x 2400 px
3,200 × 1,440 px (522 ppi)
Peak brightness
—
3,200 nits
Protection
—
Xiaomi Shield Glass
A · Samsung
B · Xiaomi
Main
50 MP, f/1.8, OIS
50 MP, f/1.63, 1-inch Sony LYT-900, OIS
Ultrawide
12 MP, 123 deg
50 MP, f/2.2, 115° FoV
Macro
5 MP
—
Selfie
32 MP
32 MP, f/2.0
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
Exynos 1380 (5nm)
Snapdragon 8 Elite (3 nm)
GPU
Mali-G68 MP5
Adreno 830
Security
SK Telecom QRNG quantum random-number chip
—
CPU
—
8 cores
RAM
—
12 GB / 16 GB LPDDR5X
Storage
—
256 GB / 512 GB / 1 TB UFS 4.0
A · Samsung
B · Xiaomi
Capacity
5000 mAh
5,410 mAh
Charging
25W
—
Wired
—
90 W HyperCharge
Wireless
—
80 W
Choose Galaxy Quantum 4 if…
- Hardware quantum random-number generator for security
- 120Hz AMOLED + OIS + IP67
- Stereo + microSD + 3.5 mm jack
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.