Samsung Galaxy S21 Ultra vs Samsung Galaxy A17
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
Samsung Galaxy A17
Screen size: 6.7" / Resolution: 1080 x 2340 px / Main camera: 50 MP & 5 MP & 2 MP / Front camera: 13MP / RAM: 4GB, 6GB, 8GB / Battery power: 5000 mAh / Has 5G support: ✔ / Internal storage: 128GB, 256GB / SIM cards: 2 SIM
Key Differences
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
How is Samsung Galaxy S21 Ultra better than Samsung Galaxy A17?
Faster CPU speed: 1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz vs 2 x 2.4 GHz & 6 x 2 GHz
More RAM memory capacity in max option: 12GB, 16GB vs 4GB, 6GB, 8GB
AnTuTu score is about 82% higher
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 50 MP & 5 MP & 2 MP
More megapixels front camera: 40MP vs 13MP
Has a larger display diagonal: 6.8" vs 6.7"
Better display resolution: 1440 x 3200 px vs 1080 x 2340 px
Narrower: 75.6 mm (2.98 inches) vs 77.9 mm (3.07 inches)
More color options: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy vs Black, Gray, Blue
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
How is Samsung Galaxy A17 better than Samsung Galaxy S21 Ultra?
Lighter: 192 g (6.77 ounces) vs 229 g (8.08 ounces)
Shorter: 164.4 mm (6.47 inches) vs 165.1 mm (6.5 inches)
The phone is 3 years and 8 months newer
Size Comparison
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
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"
6.7"
Height
164.4 mm
(6.47 inches)
Width
77.9 mm
(3.07 inches)
Thickness
7.5 mm
(0.3 inches)
Screen size
6.7"
Weight
192 g
(6.77 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
164.4 mm
(6.47 inches)
Width
77.9 mm
(3.07 inches)
Thickness
7.5 mm
(0.3 inches)
Screen size
6.7"
Weight
192 g
(6.77 ounces)
3D comparison
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Expert Score
Score 4.3
Score 4.0
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Score 4.3
Score 4.0
Smartprix
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Vote for Your option
Samsung Galaxy S21 Ultra
Vote for Your option
Samsung Galaxy A17
Benchmarks
AnTuTu Score
Samsung Galaxy S21 Ultra
843,008 +82.03%
Samsung Galaxy A17
463,103
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 +48.54%
Samsung Galaxy A17
156,431
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 +301.31%
Samsung Galaxy A17
63,880
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 +49.17%
Samsung Galaxy A17
109,278
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 +43.22%
Samsung Galaxy A17
133,514
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 +66.7%
Samsung Galaxy A17
2,003
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 +39.98%
Samsung Galaxy A17
953
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
Samsung Galaxy A17
Battery Life
Charging timeTechnical Specifications
Show differences
Show differences
Specs
Samsung Galaxy S21 Ultra
Samsung Galaxy A17
Design
Weight
229 g (8.08 ounces)
192 g (6.77 ounces)
Thickness
8.9 mm (0.35 inches)
7.5 mm (0.3 inches)
Width
75.6 mm (2.98 inches)
77.9 mm (3.07 inches)
Height
165.1 mm (6.5 inches)
164.4 mm (6.47 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP68
IP54
Waterproof depth rating
1.5 m
-
Volume
111.09 cm³
96.05 cm³
Is dustproof and water-resistant
✔
-
Color options
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Black, Gray, Blue
French Repairability Index
8.2
-
Water resistance
-
Water resistant
Display
Screen size
6.8"
6.7"
Display type
OLED/AMOLED
OLED/AMOLED
Pixel density
515 ppi
385 ppi
Resolution
1440 x 3200 px
1080 x 2340 px
Refresh rate
120Hz
90Hz
Brightness (typical)
1500 nits
800 nits
Has branded damage-resistant glass
✔
✔
Gorilla Glass version
Gorilla Glass Victus
Gorilla Glass Victus
Supports HDR10
✔
-
Supports HDR10+
✔
-
Always-On Display
✔
✔
Contrast ratio
3000000:1
-
Has a curved display
✔
-
Has a touch screen
✔
✔
Performance
Internal storage
128GB, 256GB, 512GB
128GB, 256GB
RAM
12GB, 16GB
4GB, 6GB, 8GB
Android version
Android 14
Android 15
CPU speed
1 x 2.9 GHz & 3 x 2.8 GHz & 4 x 2.2 GHz
2 x 2.4 GHz & 6 x 2 GHz
GPU clock speed
-
800 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
51.2 GB/s
OpenCL version
2
-
DDR memory version
5
-
Maximum memory amount
16GB
-
Thermal Design Power (TDP)
9W
-
Release date
2021
2025
Has an external memory slot
-
✔
GPU turbo
854 MHz
950 MHz
Has NX bit
✔
-
Memory channels
4
-
Cameras
Main camera
108 MP & 12 MP & 10 MP & 10 MP
50 MP & 5 MP & 2 MP
Front camera
40MP
13MP
Has built-in optical image stabilization
✔
✔
Video recording (main camera)
4320 x 24 fps
1080 x 30 fps
Wide aperture (main camera)
f/1.8 & f/2.2 & f/4.9 & f/2.4
f/1.8 & f/2.2 & f/2.4
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
0x
Number of flash LEDs
2
1
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
✔
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.0
Has timelapse function
✔
✔
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
-
✔
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
5000 mAh
Has wireless charging
✔
-
Supports fast charging
✔
✔
Charging speed
25W
25W
Wireless charging speed
15W
-
Has reverse wireless charging
✔
-
Reverse wireless charging speed
4.5W
-
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Battery life
35.5 hours
-
Audio
Has stereo speakers
✔
-
Has aptX
✔
-
Number of microphones
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 4 (802.11n), Wi-Fi 5 (802.11ac)
Download speed
3000 MBits/s
2550 MBits/s
Upload speed
422 MBits/s
1280 MBits/s
Has USB Type-C
✔
✔
USB version
3.2
2
Has NFC
✔
✔
SIM cards
1 SIM, 1 eSIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.2
5.3
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
-
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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Samsung Galaxy A17
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