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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 | alcatel OT-818 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Display size (in) | 3.20 | 6.90 |
| Main camera (MP) | 2.00 | 200.00 |
| Weight (g) | 100 | 218 |
| Thickness (mm) | 12.30 | 8.20 |
Pros & Cons
alcatel OT-818
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
Alcatel
alcatel OT-818
Samsung
Samsung Galaxy S25 Ultra
Battery 6 specs
Talk time
Up to 10 h
—
Music play
Up to 20 h
—
Type
Removable Li-Ion 1000 mAh battery
Li-Ion 5000 mAh
Stand-by
Up to 600 h
—
Capacity
—
5000 mAh
Charging
—
45W wired
Body 5 specs
Dimensions
110.5 x 53.4 x 12.3 mm (4.35 x 2.10 x 0.48 in)
162.8 x 77.6 x 8.2 mm
Weight
100.5 g (3.53 oz)
218 g
SIM
Mini-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
No
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
2.1, A2DP
5.4, A2DP, LE
Positioning
No
GPS, GLONASS, BDS, GALILEO, QZSS
Radio
Stereo FM radio, RDS
No
USB
microUSB 2.0
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
—
Yes
NFC
—
Yes
Display 5 specs
Type
TFT resistive touchscreen, 256K colors
Dynamic AMOLED 2X
Size
3.2 inches, 29.1 cm2 (~49.4% screen-to-body ratio)
6.9 inches
Resolution
240 x 400 pixels, 5:3 ratio (~146 ppi density)
1440 x 3120 pixels
Protection
—
Corning Gorilla Armor 2, Mohs level 6
—
DX anti-reflective coating
Features 6 specs
Sensors
Accelerometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Messaging
SMS, MMS, Email, Push Email, IM
—
Browser
WAP 2.0/xHTML
—
Games
Yes
—
Java
Yes, MIDP 2.1
—
SNS integration
MP3/AAC+ player
MP4/H.264 player
Organizer
Voice memo
Predictive text input
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
Launch 2 specs
Announced
2011, Q1. Released 2011, Q2
2025, January 22
Status
Discontinued
Available. Released 2025, February 03
Main Camera 4 specs
Single
2 MP
—
Video
Yes
8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Features
—
Laser AF, Best Face, LED flash, auto-HDR, panorama
Quad
—
200 MP + 50 MP + 50 MP + 10 MP
Memory 7 specs
Card slot
microSDHC (dedicated slot)
No
Phonebook
Yes, Photocall
—
Call records
Yes
—
Internal
50MB
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
—
UFS 4.0
RAM
—
12GB
Storage
—
256GB
Misc 5 specs
Colors
Steel Grey, Cyber blue, Mystery pink
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
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)
Price
—
$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990
Network 9 specs
Technology
GSM
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
GPRS
Class 12
—
EDGE
Class 12
—
—
1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
3G bands
—
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
—
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bands
—
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
Speed
—
HSPA, LTE (CA), 5G
Platform 4 specs
CPU
208 MHz
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
—
Adreno 830 (1200 MHz)
OS
—
Android 15
Chipset
—
Snapdragon 8 Elite
Selfie Camera 4 specs
No
—
Features
—
HDR, HDR10+
Video
—
4K@30/60fps, 1080p@30fps
Single
—
12 MP
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.