Samsung Galaxy S21 Ultra vs Google Pixel 10a
Short Description
Samsung Galaxy S21 Ultra
Screen size: 6.8" / Resolution: 1440 x 3200 px / Main camera: 108 MP & 12 MP & 10 MP & 10 MP / Front camera: 40MP / RAM: 12GB, 16GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB, 512GB / SIM cards: 1 SIM, 1 eSIM
Google Pixel 10a
Screen size: 6.3" / Resolution: 1080 x 2424 px / Main camera: 48 MP & 13 MP / Front camera: 13MP / RAM: 8GB / Battery power: 5100 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / SIM cards: 1 SIM, 1 eSIM
Key Differences
Samsung Galaxy S21 Ultra
Google Pixel 10a
How is Samsung Galaxy S21 Ultra better than Google Pixel 10a?
Faster CPU speed: 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz vs 1 x 3.1 GHz & 3 x 2.6 GHz & 4 x 1.92 GHz
More RAM memory capacity in max option: 12GB, 16GB vs 8GB
More internal storage in max option: 128GB, 256GB, 512GB vs 128GB, 256GB
More megapixels main camera: 108 MP & 12 MP & 10 MP & 10 MP vs 48 MP & 13 MP
More megapixels front camera: 40MP vs 13MP
Has a larger display diagonal: 6.8" vs 6.3"
Better display resolution: 1440 x 3200 px vs 1080 x 2424 px
Shorter: 165.1 mm (6.5 inches) vs 183 mm (7.2 inches)
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Obsidian, Fog, Berry, Lavender
Samsung Galaxy S21 Ultra
Google Pixel 10a
How is Google Pixel 10a better than Samsung Galaxy S21 Ultra?
Bigger battery capacity: 5100 mAh vs 5000 mAh
AnTuTu score is about 25% higher
Higher charging speed: 30W vs 25W
Lighter: 186 g (6.56 ounces) vs 229 g (8.08 ounces)
Narrower: 73 mm (2.87 inches) vs 75.6 mm (2.98 inches)
The phone is 4 years and 3 months newer
Size Comparison
Samsung Galaxy S21 Ultra
Google Pixel 10a
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
6.8"
6.3"
Height
183 mm
(7.2 inches)
Width
73 mm
(2.87 inches)
Thickness
9 mm
(0.35 inches)
Screen size
6.3"
Weight
186 g
(6.56 ounces)
Height
165.1 mm
(6.5 inches)
Width
75.6 mm
(2.98 inches)
Thickness
8.9 mm
(0.35 inches)
Screen size
6.8"
Weight
229 g
(8.08 ounces)
Height
183 mm
(7.2 inches)
Width
73 mm
(2.87 inches)
Thickness
9 mm
(0.35 inches)
Screen size
6.3"
Weight
186 g
(6.56 ounces)
3D comparison
Samsung Galaxy S21 Ultra
Google Pixel 10a
Samsung Galaxy S21 Ultra
Google Pixel 10a
Vote for Your option
Samsung Galaxy S21 Ultra
Vote for Your option
Google Pixel 10a
Benchmarks
AnTuTu Score
Samsung Galaxy S21 Ultra
843,008
Google Pixel 10a
1,050,076 +24.56%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
CPU
Samsung Galaxy S21 Ultra
232,358
Google Pixel 10a
314,643 +35.41%
Measures the performance of a device's processor, focusing on tasks such as computing power and multi-core efficiency.
GPU
Samsung Galaxy S21 Ultra
256,356
Google Pixel 10a
295,595 +15.31%
Measures the graphical performance of a device's GPU, evaluating its ability to handle graphics-intensive tasks such as gaming and rendering.
Memory
Samsung Galaxy S21 Ultra
163,007
Google Pixel 10a
217,171 +33.23%
Measures the performance of a device's memory (RAM), measuring its speed and efficiency in handling multitasking and data-intensive applications.
UX
Samsung Galaxy S21 Ultra
191,217
Google Pixel 10a
222,667 +16.45%
Measures the overall user experience performance of a device, including factors like system responsiveness, touch sensitivity, and app launching speed.
Geekbench 6 · Multi-Core
Samsung Galaxy S21 Ultra
3,339
Google Pixel 10a
4,079 +22.16%
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Samsung Galaxy S21 Ultra
1,334
Google Pixel 10a
1,681 +26.01%
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Battery Performance
Samsung Galaxy S21 Ultra
Google Pixel 10a
Battery LifeTechnical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S21 Ultra
Google Pixel 10a
Design
Weight
229 g (8.08 ounces)
186 g (6.56 ounces)
Thickness
8.9 mm (0.35 inches)
9 mm (0.35 inches)
Width
75.6 mm (2.98 inches)
73 mm (2.87 inches)
Height
165.1 mm (6.5 inches)
183 mm (7.2 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP68
Waterproof depth rating
1.5 m
-
Volume
111.09 cm³
120.23 cm³
Is dustproof and water-resistant
✔
-
Color options
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Obsidian, Fog, Berry, Lavender
French Repairability Index
8.2
-
Water resistance
-
Waterproof
Display
Screen size
6.8"
6.3"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
515 ppi
422 ppi
Resolution
1440 x 3200 px
1080 x 2424 px
Refresh rate
120Hz
120Hz
Brightness (typical)
1500 nits
2000 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass 7i
Supports HDR10
✔
✔
Supports HDR10+
✔
-
Always-On Display
✔
✔
Contrast ratio
3000000:1
1000000:1
Has a curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB, 512GB
128GB, 256GB
RAM
12GB, 16GB
8GB
Android version
Android 14
Android 16
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
1 x 3.1 GHz & 3 x 2.6 GHz & 4 x 1.92 GHz
GPU clock speed
-
940 MHz
Has integrated LTE
✔
✔
RAM speed
3200 MHz
-
Semiconductor size
5 nm
-
Supports 64-bit
✔
-
DirectX version
DirectX 12
-
Has integrated graphics
✔
-
OpenGL ES version
3.2
-
Uses big.LITTLE technology
✔
-
CPU threads
8 threads
-
Uses HMP
✔
-
Has TrustZone
✔
-
Maximum memory bandwidth
51.2 GB/s
-
OpenCL version
2
-
DDR memory version
5
-
Maximum memory amount
16GB
-
Thermal Design Power (TDP)
9W
-
Release date
2021
2026
GPU turbo
854 MHz
-
Has NX bit
✔
-
Memory channels
4
-
Cameras
Main camera
108 MP & 12 MP & 10 MP & 10 MP
48 MP & 13 MP
Front camera
40MP
13MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 24 fps
2160 x 60 fps
Wide aperture (main camera)
f/1.8 & f/2.2 & f/4.9 & f/2.4
f/2.2 & f/1.7
Has a dual-tone LED flash
✔
✔
Has a BSI sensor
✔
✔
Has continuous autofocus when recording movies
✔
✔
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
✔
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
10x
-
Number of flash LEDs
2
2
Has a CMOS sensor
✔
✔
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has laser autofocus
✔
-
Has manual white balance
✔
✔
Shoots raw
✔
✔
Has touch autofocus
✔
✔
Has manual shutter speed
-
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
✔
✔
Supports HDR10 recording
-
✔
Operating system
Has clipboard warnings
✔
✔
Has location privacy options
✔
✔
Has camera/microphone privacy options
✔
✔
Has theme customization
✔
✔
Can play games while they download
✔
✔
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
-
Has battery health check
✔
✔
Has an extra dim mode
✔
✔
Has focus modes
✔
-
Has dynamic theming
✔
✔
Can offload apps
✔
✔
Has customizable notifications
✔
✔
Has scrolling screenshots
✔
-
Supports split screen
✔
✔
Supports instant markup
✔
-
Supports PiP and PaP
✔
-
Can be used as a PC
✔
-
Has sharing intents
✔
✔
Has a child lock
✔
✔
Supports widgets
-
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Can block app tracking
-
✔
Has on-device machine learning
-
✔
Has Live Text
-
✔
Gets direct OS updates
-
✔
Supports widgets
✔
-
More languages supported
125
-
Has offline voice recognition
✔
✔
The browser has word wrap
✔
-
Has voice commands
✔
✔
Has full-page screenshots
-
✔
Has PiP
-
✔
Has notification permissions
-
✔
Has media picker
-
✔
Battery
Battery power
5000 mAh
5100 mAh
Has wireless charging
✔
✔
Supports fast charging
✔
✔
Charging speed
25W
30W
Wireless charging speed
15W
10W
Has reverse wireless charging
✔
-
Reverse wireless charging speed
4.5W
-
Has an ultra power-saving mode
-
✔
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
35.5 hours
-
Audio
Has stereo speakers
✔
✔
Has LDAC
-
✔
Has aptX
✔
✔
Number of microphones
2
2
Features
Has 5G support
✔
✔
Wi-Fi version
Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
3000 MBits/s
-
Upload speed
422 MBits/s
-
Has USB Type-C
✔
✔
USB version
3.2
3.2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
1 SIM, 1 eSIM
Has a fingerprint scanner
✔
✔
Has emergency SOS via satellite
-
✔
Bluetooth version
5.2
6
Has a gyroscope
✔
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Has a barometer
✔
✔
Supports Galileo
✔
✔
Has an accelerometer
✔
✔
Supports ant+
✔
-
Head SAR (eu)
0.71W/kg
-
Has crash detection
-
✔
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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Samsung Galaxy S21 Ultra
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Google Pixel 10a
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