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Compare features, prices and ratings to find the perfect phone for you.
Our Verdict
Analysis
Samsung Galaxy S25 Ultra has the bigger display.
Overall Winner
Samsung Galaxy S25 Ultra
Display Winner
Samsung Galaxy S25 Ultra
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie
Specifications Comparison
| Feature | Realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display size (in) | 6.67 | 6.90 |
| Main camera (MP) | 50.00 | 200.00 |
| Selfie (MP) | 5.00 | 12.00 |
| Weight (g) | 196 | 218 |
| Thickness (mm) | 8.00 | 8.20 |
| Chipset | Mediatek Helio G81 Ultra (12 nm) | Snapdragon 8 Elite |
| OS | Android 15, Realme UI 6.0 | Android 15 |
Pros & Cons
Realme C75x
Samsung Galaxy S25 Ultra
- Brilliant display
- Versatile camera system
- Long update commitment
- Productivity features
- Premium pricing
- Bulky design
- Slow charging vs Chinese rivals
Every Spec, Side by Side
Specification
Realme
Realme C75x
Samsung
Samsung Galaxy S25 Ultra
Battery 3 specs
Type
5600 mAh
Li-Ion 5000 mAh
Charging
45W wired, 100% in 90 min
45W wired
Capacity
—
5000 mAh
Body 5 specs
Dimensions
165.7 x 76.2 x 8 mm (6.52 x 3.00 x 0.31 in)
162.8 x 77.6 x 8.2 mm
Weight
196 g (6.91 oz)
218 g
SIM
Nano-SIM + Nano-SIM
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 60 hours)
Drop resistant up to 1.8m
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Stylus
Build
—
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Connectivity 7 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.4, A2DP, LE
Positioning
GPS, GALILEO, GLONASS, QZSS, BDS
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
No
Yes
Radio
Unspecified
No
USB
USB Type-C 2.0
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
—
Yes
Display 5 specs
Type
IPS LCD, 120Hz, 500 nits (typ), 625 nits (HBM)
Dynamic AMOLED 2X
Size
6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
6.9 inches
Resolution
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
1440 x 3120 pixels
Protection
ArmorShell glass
Corning Gorilla Armor 2, Mohs level 6
—
DX anti-reflective coating
Features 2 specs
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
—
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
Launch 2 specs
Announced
2025, March 07
2025, January 22
Status
Available. Released 2025, March 08
Available. Released 2025, February 03
Main Camera 4 specs
Single
50 MP, f/1.8, (wide), 1/2.88", PDAF
—
Features
LED flash, panorama
Laser AF, Best Face, LED flash, auto-HDR, panorama
Video
1080p@30fps
8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Quad
—
200 MP + 50 MP + 50 MP + 10 MP
Memory 5 specs
Card slot
microSDXC (dedicated slot)
No
Internal
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
—
UFS 4.0
RAM
—
12GB
Storage
—
256GB
Misc 5 specs
Colors
Coral Pink, Oceanic Blue
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Price
$ 329.91
$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990
Models
—
SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
SAR
—
1.26 W/kg (head) 0.64 W/kg (body)
SAR EU
—
1.25 W/kg (head) 1.42 W/kg (body)
Network 7 specs
Technology
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
Speed
HSPA, LTE
HSPA, LTE (CA), 5G
—
1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
5G bands
—
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
Platform 4 specs
OS
Android 15, Realme UI 6.0
Android 15
Chipset
Mediatek Helio G81 Ultra (12 nm)
Snapdragon 8 Elite
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-G52 MC2
Adreno 830 (1200 MHz)
Selfie Camera 3 specs
Single
5 MP, f/2.2, (wide), 1/5"
12 MP
Features
Panorama
HDR, HDR10+
Video
1080p@30fps
4K@30/60fps, 1080p@30fps
Sound 3 specs
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
No
No
—
High-bitrate audio support
Eu Label 4 specs
Energy
—
Class B
Battery
—
44:54h endurance, 2000 cycles
Free fall
—
Class A (270 falls)
Repairability
—
Class C
Our Tests 4 specs
Performance
—
AnTuTu: 2207809 (v10)
GeekBench: 9846 (v6)
3DMark: 6687 (Wild Life Extreme)
Display
—
1417 nits max brightness (measured)
Loudspeaker
—
-24.6 LUFS (Very good)
Battery
—
Active use score 14:49h
Similar Comparisons
Common Questions
Which phone is the best in this comparison?
Samsung Galaxy S25 Ultra has the bigger display.
How are the comparison winners decided?
We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".
Which is more affordable?
The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.