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Google Pixel 4a
Google Google Pixel 4a
2.3
Price TBA
View Details
Samsung Galaxy S25 Ultra
Samsung Samsung Galaxy S25 Ultra
256GB · 12GB RAM
4.1
From $1,299
View Details
★ Our Pick

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 Google Pixel 4a Samsung Galaxy S25 Ultra
Display size (in) 5.81 6.90
Charging (W) 18 45
Main camera (MP) 12.20 200.00
Selfie (MP) 8.00 12.00
Weight (g) 143 218
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Snapdragon 8 Elite
OS Android 10, upgradable to Android 13 Android 15

Pros & Cons

Google Pixel 4a

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
Google
Google Pixel 4a
Samsung
Samsung Galaxy S25 Ultra
Battery 3 specs
Type
Li-Po 3140 mAh
Li-Ion 5000 mAh
Charging
18W wired, PD2.0
45W wired
Capacity
5000 mAh
Body 5 specs
Dimensions
144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)
162.8 x 77.6 x 8.2 mm
Weight
143 g (5.04 oz)
218 g
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
SIM
Nano-SIM + eSIM
· 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 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus
Connectivity 7 specs
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, aptX HD
5.4, A2DP, LE
Positioning
GPS, GLONASS, GALILEO, QZSS, BDS
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Yes
Yes
Radio
No
No
USB
USB Type-C 3.1
USB Type-C 3.2, DisplayPort 1.2, OTG
5G
Yes
Display 5 specs
Type
OLED, HDR
Dynamic AMOLED 2X
Size
5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio)
6.9 inches
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density)
1440 x 3120 pixels
Protection
Corning Gorilla Glass 3
Corning Gorilla Armor 2, Mohs level 6
 
DX anti-reflective coating
Features 2 specs
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
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
2020, August 03
2025, January 22
Status
Available. Released 2020, August 20
Available. Released 2025, February 03
Main Camera 4 specs
Single
12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Features
LED flash, Pixel Shift, Auto-HDR, panorama
Laser AF, Best Face, LED flash, auto-HDR, panorama
Video
4K@30fps, 1080p@30/60/120fps; gyro-EIS
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
128GB 6GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
 
UFS 2.1
UFS 4.0
RAM
12GB
Storage
256GB
Misc 5 specs
Colors
Just Black, Barely Blue
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Models
G025J, GA02099, G025N
SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price
$ 149.89 / C$ 166.99 / € 90.00
$ 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, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71
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 (3CA) Cat12 600/75 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
Our Tests 5 specs
Performance
AnTuTu: 268714 (v8) GeekBench: 6426 (v4.4), 1626 (v5.1) GFXBench: 17fps (ES 3.1 onscreen)
AnTuTu: 2207809 (v10) GeekBench: 9846 (v6) 3DMark: 6687 (Wild Life Extreme)
Display
803 nits max brightness (measured)
1417 nits max brightness (measured)
Battery (old)
Endurance rating 76h
Loudspeaker
-24.6 LUFS (Very good)
Battery
Active use score 14:49h
Platform 4 specs
OS
Android 10, upgradable to Android 13
Android 15
Chipset
Qualcomm SDM730 Snapdragon 730G (8 nm)
Snapdragon 8 Elite
CPU
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 618
Adreno 830 (1200 MHz)
Selfie Camera 3 specs
Single
8 MP, f/2.0, 24mm (wide), 1.12µm
12 MP
Features
HDR
HDR, HDR10+
Video
1080p@30fps
4K@30/60fps, 1080p@30fps
Sound 3 specs
Loudspeaker
Yes, with stereo speakers
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

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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.