Samsung Galaxy A51 vs Samsung Galaxy S9 Comparison and Differences

Smartphone 1

Samsung Galaxy A51

Samsung Galaxy A51

Smartphone 2

Samsung Galaxy S9

Samsung Galaxy S9

Smartphone 3

Samsung Galaxy A51 or Samsung Galaxy S9 Specs Comparison

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Common specs

Brand and model Samsung Galaxy A51 Samsung Galaxy S9
Rating (+0) (+0)
Release date 2019, December 2018, February
Dimensions (HxWxD) 158.5 x 73.6 x 7.9 mm | 6.24 x 6.24 x 2.9 in 147.7 x 68.7 x 8.5 mm | 5.81 x 5.81 x 2.7 in
Weight 172 g | 6.07 oz 163 g | 5.75 oz
Body Build Glass front (Gorilla Glass 3), plastic back, plastic frame Front/back glass (Gorilla Glass 5), aluminum frame
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Colors Prism Crush Black, White, Blue, Pink Midnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue
Battery 4000 mAh,  Non-removable Li-Po 3000 mAh,  Non-removable Li-Ion
Battery life Talking time - Up to 32 h (3G)
Music play - Up to 87 h
Approximate price $280 490 EUR
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Screen

Technology Super AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.5" in 5.8" in
Screen area 102.0 cm2 84.8 cm2
Screen format 20:9 (height:width) 18.5:9 (height:width)
Screen to body ratio 87.4% 83.6%
Screen resolution 1080 x 2400 px 1440 x 2960 px
Screen PPI /points per inch/ 405 PPI 570 PPI
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Other specs - HDR10
-3D Touch (home button only)
-Always-on display
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Camera and Video

Rear camera, main 48 MP, Quad 12 MP, Single
Camera specs -48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
-12 MP, f/2.2, 12mm (ultrawide)
-5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
-5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor
-12 MP, f/1.5-2.4, 26mm (wide), 1/2.55'', 1.4µm, OIS, dual pixel PDAF
Functions LED flash, panorama, HDR LED flash, auto-HDR, panorama
Video 2160p@30fps, 1080p@30/120fps; gyro-EIS 2160p@60fps, 1080p@240fps, 720p@960fps, HDR, dual-video rec.
DxOMark Main Score 87
DxOMark Photo 90
DxOMark Video 86
Front camera, selfie 32 MP, Single 8 MP, Single
Specifications 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm 8 MP, f/1.7, 25mm (wide), 1/3.6'', 1.22µm, AF
Functions HDR Dual video call, Auto-HDR
Video 1080p@30fps 1440p@30fps
DxOMark Selfie Score 81
DxOMark Photo 81
DxOMark Video 81

Performance

Operating system - OS Android 10.0; One UI 2 Android 8.0 (Oreo)
Chipset - Exynos 9611 (10nm) - Exynos 9810 Octa (10 nm)
- Qualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
CPU - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) - Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEA
-Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
GPU Mali-G72 MP3 Mali-G72 MP18 - EMEA
Adreno 630 - USA/LATAM, China
External memory microSD, up to 1 TB (dedicated slot) microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only
Internal memory 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 64/128/256 GB, 4 GB RAM

Benchmark

Antutu 10 Total 266589
Antutu 10 CPU 78142
Antutu 10 GPU 45333
Antutu 10 Mem 67437
Antutu 10 UX 78142
Antutu 8 Total 138454 284449
Antutu 7 Total
GeekBench 6 Single Core 325 510
GeekBench 6 Multi Core 1031 1725
GeekBench 6 OpenCL 761 1987
GeekBench 6 Vulkan 1472 1835
GeekBench 5 Single Core 264 469
GeekBench 5 Multi-Core 1276 1957
GeekBench 4 Single Core 3288
GeekBench 4 Multi-Core 8240
GeekBench 4 RenderScript 8705
GeekBench 4 Battery 3960

Communication and Connectivity

SIM card Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
Bands -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
-3G - HSDPA 850 / 900 / 1900 / 2100  
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
-4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) 
CDMA 800 / 1900 - USA
-3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA 
CDMA2000 1xEV-DO - USA
-4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Global 
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46, 66(1700/2100), 71(600) - USA
Speed HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (6CA) Cat18 1200/200 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
NFC Yes Yes
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 3.1, Type-C 1.0 reversible connector
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX
Harmful irradiation SAR - 0.80 W/kg (head) 0.67 W/kg (body)
SAR EU - 0.37 W/kg (head) 1.59 W/kg (body)

Music and Audio

Radio FM radio FM radio (USA & Canada only)
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic - 32-bit/384kHz audio
-Active noise cancellation with dedicated mic

Other features

Sensors - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass - Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
Other extras
- ANT+
- Fast battery charging 15W

- Samsung DeX (desktop experience support)
-
-ANT+
-Bixby natural language commands and dictation
- Fast battery charging (Quick Charge 2.0)
-Qi/PMA wireless charging (market dependent)
- Samsung Pay (Visa, MasterCard certified)
-IP68 dust/water proof (up to 1.5m for 30 mins)
Versions
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia)

- Versions: G960F (Europe, Global Single-SIM); G960F/DS (Europe, Global Dual-SIM); G960U (USA); G960W (Canada); G9600 (China, LATAM)

Reviews and Opinions on Samsung Galaxy A51 and Samsung Galaxy S9

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