Samsung Galaxy S8 vs Samsung Galaxy A51 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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Samsung Galaxy S8 | Samsung Galaxy A51 |
Released
·
Apr 21, 2017
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Released
·
Dec 27, 2019
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5.8-inch · 2960x1440px
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6.5-inch · 2400x1080px
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Single camera
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Quad camera
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4GB · 64GB
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4GB · 128GB
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3000 mAh
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4000 mAh
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Check prices |
Availability
Officially announced | |
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Mar 29, 2017 | Dec 12, 2019 |
Prices (MSRP) | |
$400 |
Design
Dimensions | |
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5.86 x 2.68 x 0.31 inches 148.9 x 68.1 x 8.0 mm |
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm |
Weight | |
5.47 oz (155.0 g) | 6.07 oz (172.0 g) |
Materials | |
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum |
Back: Plastic Frame: Plastic |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
Iris scanner, 2D Face unlock, Fingerprint (touch) | 2D Face unlock, Optical in-screen fingerprint |
Keys | |
Left: Volume control, Other; Right: Lock/Unlock key | Right: Volume control, Lock/Unlock key |
Colors | |
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red | Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue |
Display
Size | |
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5.8-inch, 84.26% screen-to-body | 6.5-inch, 87.37% screen-to-body |
Type | |
Super AMOLED, HDR | Super AMOLED, 60Hz |
Resolution | |
2960x1440px, 18.5:9 ratio, 570 PPI | 2400x1080px, 20:9 ratio, 405 PPI |
Protection | |
Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
Hardware
System chip | |
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Snapdragon 835 MSM8998 (10 nm) | Samsung Exynos 9611 (10 nm) |
Processor | |
Octa-core 2350 MHz Kryo 280 |
Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7GHz Cortex-A53 |
GPU | |
Adreno 540 | Mali-G72 MP3 |
Memory | |
4GB (LPDDR4)/64GB | 4GB (LPDDR4)/128GB 6GB/128GB |
Storage expansion | |
microSDXC up to 256 GB | microSDXC up to 512 GB |
OS | |
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat) | Android (11, 10) |
Battery
Type | |
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3000 mAh, Li - Ion | 4000 mAh, Li - Polymer |
Charging | |
Qualcomm Quick Charge 2.0 Qi and Powermat wireless charging |
Fast charging |
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Camera
Rear | |
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Single camera | Quad camera |
Main camera | |
12 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
Second camera | |
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm |
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Third camera | |
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm |
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Fourth camera | |
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm |
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Flash | |
LED | LED |
Video recording | |
4K UHD (30 fps), QHD, 1080p (60 fps), 720p (240 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing |
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS |
Front | |
8 MP (Wide Angle, Autofocus, HDR) Video capture: QHD |
32 MP (HDR) Video capture: 1080p |
Connectivity & Features
Bluetooth | |
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5.0, Yes | 5.0 |
WLAN | |
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
USB | |
Type-C, USB 3.1 | Type-C, USB 2.0 |
Sensors | |
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor |
Hearing aid compatible | |
M3/T3 | |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
Other | |
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync | NFC, ANT+ |
Multimedia
Headphones | |
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3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Loudspeaker | Earpiece, Loudspeaker |
Features | |
32-Bit DAC, aptX-HD | Dolby Atmos |
Screen mirroring | |
DLNA,Wireless screen share,MHL | Wireless screen share |
Radio | |
FM | |
Additional microphone(s) | |
Noise cancellation, Video recording | Noise cancellation |
Cellular
4G (FDD) Bands | |
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1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 |
4G (TDD) Bands | |
38, 39, 40, 41 | 38, 39, 41 |
3G Bands | |
1, 2, 5, 8 | 1, 2, 4, 5, 8 |
Data Speed | |
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS | LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
SIM type | |
Nano SIM | Nano SIM |
HD Voice | |
Yes |
Regulatory Approval
FCC approval | |
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Date approved: Apr 06, 2017 FCC ID value: A3LSMG950U | Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN |
Measured SAR | |
Head: 0.49 W/kg Body: 0.48 W/kg Simultaneous Transmission: 1.53 W/kg Wireless Router: 0.46 W/kg |
Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg |
Alternative variants
International version
System chip | Samsung Exynos 9 Octa 8895 (10 nm) |
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Processor |
Octa-core 2300 MHz Exynos M2 "Mongoose" and ARM Cortex-A53 |
GPU | Mali-G71 MP20 |
4G (FDD) Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66 |
4G (TDD) Bands | 38, 39, 40, 41 |
FCC approval |
Date approved: Sep 05, 2017 FCC ID value: A3LSMG950F |
Measured SAR |
Head: 0.38 W/kg Body: 0.75 W/kg Simultaneous Transmission: 1.55 W/kg Wireless Router: 1.09 W/kg |
with 128GB storage
Memory | 6GB/128GB |
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for T-Mobile
4G (FDD) Bands | 2, 4, 5, 12 |
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3G Bands | 5, 4, 2, 1 |
VoLTE | Yes |
for Verizon
4G (FDD) Bands | 2, 3, 4, 5, 7, 13, 20, 28, 66 |
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3G Bands | 5, 8, 2, 1 |
for Verizon Wireless
4G (FDD) Bands | 2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28 |
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4G (TDD) Bands | 38, 39, 40, 41 |
3G Bands | 5, 8, 2, 1 |
for AT&T
4G (FDD) Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 |
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4G (TDD) Bands | 41 |
for U.S. Cellular
4G (FDD) Bands | 2, 4, 5, 8, 12, 13, 17, 18, 19, 25 |
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4G (TDD) Bands | 38, 39, 40 |
Data Speed | LTE-A, HSPA, UMTS |
for Sprint
4G (FDD) Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 |
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4G (TDD) Bands | 41 |
with Dual SIM
System chip | Samsung Exynos 9 Octa 8895 (10 nm) |
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Processor |
Octa-core 2500 MHz Exynos M2 "Mongoose"and ARM Cortex-A53 |
GPU | Mali-G71 MP20 |
Dual SIM | Yes |
for Europe
4G (FDD) Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66 |
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4G (TDD) Bands | 38, 40, 41 |
Dual SIM | Yes |
Links
Full specifications | |
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Samsung Galaxy S8 Specs | Samsung Galaxy A51 Specs |
PhoneArena Review | |
Samsung Galaxy S8 Review | Samsung Galaxy A51 Review |
User Reviews | |
Samsung Galaxy S8 User Reviews | Samsung Galaxy A51 User Reviews |