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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 | Infinix S3X | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display size (in) | 6.20 | 6.90 |
| Charging (W) | 10 | 45 |
| Main camera (MP) | 13.00 | 200.00 |
| Selfie (MP) | 16.00 | 12.00 |
| Weight (g) | 150 | 218 |
| Thickness (mm) | 8.00 | 8.20 |
| Chipset | Qualcomm MSM8937 Snapdragon 430 (28 nm) | Snapdragon 8 Elite |
| OS | Android 8.1 (Oreo) | Android 15 |
Pros & Cons
Infinix S3X
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
Infinix
Infinix S3X
Samsung
Samsung Galaxy S25 Ultra
Battery 3 specs
Type
4000 mAh, non-removable
Li-Ion 5000 mAh
Charging
10W wired
45W wired
Capacity
—
5000 mAh
Body 5 specs
Dimensions
156.7 x 75.3 x 8 mm (6.17 x 2.96 x 0.31 in)
162.8 x 77.6 x 8.2 mm
Weight
150 g (5.29 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
Build
—
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
—
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Stylus
Connectivity 7 specs
WLAN
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
5.4, A2DP, LE
Positioning
GPS
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
No
Yes
Radio
FM radio
No
USB
microUSB 2.0, OTG
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
—
Yes
Display 5 specs
Type
IPS LCD
Dynamic AMOLED 2X
Size
6.2 inches, 96.7 cm2 (~82.0% screen-to-body ratio)
6.9 inches
Resolution
720 x 1500 pixels (~268 ppi density)
1440 x 3120 pixels
Protection
—
Corning Gorilla Armor 2, Mohs level 6
—
DX anti-reflective coating
Features 2 specs
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, 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
2018. Released 2018
2025, January 22
Status
Discontinued
Available. Released 2025, February 03
Main Camera 4 specs
Dual
13 MP, PDAF
Auxiliary lens
—
Features
Dual-LED flash, panorama, HDR
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
32GB 3GB RAM, 64GB 4GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
eMMC 5.1
UFS 4.0
RAM
—
12GB
Storage
—
256GB
Misc 5 specs
Colors
Ice Blue, Sandstone Black, Tradewinds Grey
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Models
X622
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)
Price
—
$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990
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, 8, 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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
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 8.1 (Oreo)
Android 15
Chipset
Qualcomm MSM8937 Snapdragon 430 (28 nm)
Snapdragon 8 Elite
CPU
Octa-core 1.4 GHz Cortex-A53
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 505
Adreno 830 (1200 MHz)
Selfie Camera 3 specs
Single
16 MP, 1.4µm
12 MP
Features
—
HDR, HDR10+
Video
—
4K@30/60fps, 1080p@30fps
Sound 3 specs
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
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.