Realme 15 5G vs Galaxy S25 Ultra
Side-by-side specs, benchmarks and the SpecEagle AI verdict.
vs
AI Verdict
The Galaxy S25 Ultra takes the overall edge with a 89/100 to 72/100 SpecEagle score, leading on Display, Camera, Performance, Build. The Realme 15 5G counters on Battery.
SpecEagle subscores
82
Display
96
70
Camera
93
68
Performance
94
94
Battery
88
76
Build
93
78
Value
78
Category wins: Realme 15 5G 1 · 4 Galaxy S25 Ultra
Benchmarks
Test
A · Realme
B · Samsung
AnTuTu v10
600,000
2,580,000▲
Geekbench 6 Single
1,050
3,050▲
Geekbench 6 Multi
2,950
9,900▲
3DMark Solar Bay
—
78.0
Full specifications
A · Realme
B · Samsung
Type
AMOLED, 144 Hz, 4,000 nits peak
LTPO AMOLED 2X, 120 Hz, HDR10+
Size
6.8 inches
6.9 inches
Resolution
2,800 × 1,272 px (1.5K)
3,120 × 1,440 px (498 ppi)
Peak brightness
—
2,600 nits
Protection
—
Corning Gorilla Armor 2
Always-on
—
Yes
A · Realme
B · Samsung
Main
50 MP, f/1.8
200 MP, f/1.7, multi-directional PDAF, OIS
Depth
2 MP
—
Selfie
50 MP (AI)
12 MP, f/2.2
Ultrawide
—
50 MP, f/1.9, 120° FoV
Telephoto 1
—
10 MP, f/2.4, 3× optical
Telephoto 2
—
50 MP, f/3.4, 5× optical
Video
—
8K @ 30 fps · 4K @ 120 fps
A · Realme
B · Samsung
Chipset
Snapdragon 6 Gen 4 (4 nm)
Snapdragon 8 Elite for Galaxy (3 nm)
RAM
8 / 12 GB
12 GB LPDDR5X
Storage
128 / 256 GB
256 GB / 512 GB / 1 TB UFS 4.0
CPU
—
8 cores (2 × 4.47 GHz + 6 × 3.53 GHz)
GPU
—
Adreno 830
A · Realme
B · Samsung
Capacity
7,000 mAh (silicon-carbon)
5,000 mAh
Wired
60 W
45 W
Wireless
—
15 W Qi2
Reverse
—
4.5 W wireless
Choose Realme 15 5G if…
- 7,000 mAh silicon-carbon in a 7.7 mm body.
- 144 Hz AMOLED, 4,000 nits.
- 50 MP AI selfie for the social crowd.
- IP68 + IP69.
Choose Galaxy S25 Ultra if…
- The most versatile camera system on any phone — four useful focal lengths.
- Seven years of OS updates matches Apple for longevity.
- Gorilla Armor 2 glass is the most scratch- and glare-resistant around.
- Built-in S Pen still has no real equivalent elsewhere.