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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 Zero 40 4G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display size (in) | 6.78 | 6.90 |
| Main camera (MP) | 108.00 | 200.00 |
| Selfie (MP) | 50.00 | 12.00 |
| Weight (g) | 180 | 218 |
| Thickness (mm) | 7.70 | 8.20 |
| Chipset | Mediatek Helio G100 (6 nm) | Snapdragon 8 Elite |
| OS | Android 14, up to 2 major Android upgrades, XOS 14.5 | Android 15 |
Pros & Cons
Infinix Zero 40 4G
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 Zero 40 4G
Samsung
Samsung Galaxy S25 Ultra
Battery 3 specs
Type
5000 mAh
Li-Ion 5000 mAh
Charging
45W wired, 50% in 25 min
10W reverse wired
Bypass Charging 2.0
45W wired
Capacity
—
5000 mAh
Body 5 specs
Dimensions
164.3 x 74.6 x 7.7 mm (6.47 x 2.94 x 0.30 in)
162.8 x 77.6 x 8.2 mm
Weight
180 g (6.35 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
IP54 dust protected and water resistant (water splashes)
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 8 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
Yes
5.4, A2DP, LE
Positioning
GPS
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Yes
Yes
Infrared port
Yes
—
Radio
FM radio
No
USB
USB Type-C 2.0, OTG
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
—
Yes
Display 5 specs
Type
AMOLED, 1B colors, 120Hz, 1300 nits (HBM)
Dynamic AMOLED 2X
Size
6.78 inches, 109.9 cm2 (~89.7% screen-to-body ratio)
6.9 inches
Resolution
1080 x 2436 pixels (~393 ppi density)
1440 x 3120 pixels
Protection
Corning Gorilla Glass 5
Corning Gorilla Armor 2, Mohs level 6
—
DX anti-reflective coating
Features 2 specs
Sensors
Fingerprint (under display, optical), 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
2024, August 29
2025, January 22
Status
Available. Released 2024, September 08
Available. Released 2025, February 03
Main Camera 4 specs
Triple
108 MP, f/1.8, (wide), 1/1.67", PDAF, OIS
50 MP, f/2.0, 120˚, (ultrawide), 1/2.76", PDAF
Auxiliary lens
—
Features
Dual-LED flash, HDR, panorama
Laser AF, Best Face, LED flash, auto-HDR, panorama
Video
1440p@30fps, 1080p@30/60fps, gyro-EIS, OIS
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
No
No
Internal
256GB 8GB RAM, 512GB 8GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
UFS 2.2
UFS 4.0
RAM
—
12GB
Storage
—
256GB
Misc 5 specs
Colors
Misty Aqua, Rock Black, Blossom Glow
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Models
X6860
SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price
About 250 EUR
$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990
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 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 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
CPU
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Mali-G57 MC2
Adreno 830 (1200 MHz)
OS
Android 14, up to 2 major Android upgrades, XOS 14.5
Android 15
Chipset
Mediatek Helio G100 (6 nm)
Snapdragon 8 Elite
Selfie Camera 3 specs
Single
50 MP, f/2.5, 21mm (wide), 1/2.76", PDAF
12 MP
Features
Dual-LED flash
HDR, HDR10+
Video
1440p@30fps, 1080p@30/60fps
4K@30/60fps, 1080p@30fps
Sound 3 specs
Loudspeaker
Yes, with dual speakers
Yes, with stereo speakers
3.5mm jack
No
No
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Tuned by JBL
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.