Galaxy J4 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 38/100 SpecEagle score, leading on Display, Camera, Performance, Battery, Build, Value. The Galaxy J4 counters on value.
SpecEagle subscores
64
Display
94
50
Camera
96
42
Performance
95
60
Battery
89
54
Build
92
58
Value
79
Category wins: Galaxy J4 0 · 6 Xiaomi 15 Ultra
Benchmarks
Test
A · Samsung
B · Xiaomi
AnTuTu v7
38,000
—
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
LTPO AMOLED, 120 Hz, Dolby Vision
Size
5.5 inches
6.73 inches
Resolution
1,280 × 720 px (HD)
3,200 × 1,440 px (522 ppi)
Peak brightness
—
3,200 nits
Protection
—
Xiaomi Shield Glass
A · Samsung
B · Xiaomi
Main
13 MP, autofocus, LED
50 MP, f/1.63, 1-inch Sony LYT-900, OIS
Selfie
5 MP, LED
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
Exynos 7570 quad-core
Snapdragon 8 Elite (3 nm)
RAM
2 / 3 GB
12 GB / 16 GB LPDDR5X
Storage
16 / 32 GB · microSD
256 GB / 512 GB / 1 TB UFS 4.0
CPU
—
8 cores
GPU
—
Adreno 830
A · Samsung
B · Xiaomi
Capacity
3,000 mAh (removable)
5,410 mAh
Standby
~ 350 hours
—
Wired
—
90 W HyperCharge
Wireless
—
80 W
Choose Galaxy J4 if…
- Super AMOLED at the price.
- Selfie LED flash.
- Removable battery + microSD.
- Dual-SIM variants.
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.