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Specifications
 

Samsung Galaxy S9+

Samsung Galaxy A51

Full Differences
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Samsung Galaxy S9+
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Samsung Galaxy S9+

Samsung Galaxy A51

Network
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
  CDMA 800 / 1900 - USA
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA HSDPA 850 / 900 / 1900 / 2100
  CDMA2000 1xEV-DO - USA HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - Global 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
  1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66, 71 - USA 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U
Speed HSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/200 Mbps HSPA, LTE
Launch
Announced 2018, February 25 2019, December 12
Status Available. Released 2018, March Available. Released 2019, December 16
Body
Dimensions 158.1 x 73.8 x 8.5 mm (6.22 x 2.91 x 0.33 in) 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
3D size compare
Weight 189 g (6.67 oz) 172 g (6.07 oz)
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
 IP68 dust/water resistant (up to 1.5m for 30 min)
Display
Type Super AMOLED, HDR10 Super AMOLED
Size 6.2 inches, 98.3 cm2 (~84.2% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)
Resolution 1440 x 2960 pixels, 18.5:9 ratio (~529 ppi density) 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
 3D Touch (home button only)
Always-on display
Platform
OS Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5 Android 10, upgradable to Android 13, One UI 5
Chipset Exynos 9810 (10 nm) - EMEA
Qualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
Exynos 9611 (10nm)
CPU 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
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Mali-G72 MP18 - EMEA
Adreno 630 - USA/LATAM, China
Mali-G72 MP3
Memory
Card slot microSDXC (uses shared SIM slot) - dual SIM model only microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 256GB 6GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
 UFS 2.1 UFS 2.0
Main Camera
Modules 12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, AF, OIS, 2x optical zoom
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Features LED flash, auto-HDR, panorama LED flash, panorama, HDR
Video 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS & OIS (30fps) 4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie Camera
Modules 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF
2 MP (dedicated iris scanner camera)
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Features Dual video call, Auto-HDR HDR
Video 1440p@30fps 4K@30fps, 1080p@30fps
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Sound
Loudspeaker Yes, with stereo speakers Yes
3.5mm jack Yes Yes
 32-bit/384kHz audio
Tuned by AKG
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE, aptX 5.0, A2DP, LE
Positioning GPS, GLONASS, BDS, GALILEO GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Infrared port No No
Radio FM radio (USA & Canada only) FM radio
USB USB Type-C 3.1 USB Type-C 2.0, OTG
Features
Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 Fingerprint (under display, optical), accelerometer, gyro, compass
 Samsung DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Virtual proximity sensing
ANT+
Battery
Type Li-Ion 3500 mAh, non-removable (13.48 Wh) Li-Po 4000 mAh, non-removable
Charging 15W wired, QC2
Wireless (Qi/PMA) (market dependent)
15W wired
Misc
Colors Midnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue, Polaris Blue Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
SAR 0.78 W/kg (head)     0.79 W/kg (body)     0.80 W/kg (head)     0.67 W/kg (body)    
SAR EU 0.29 W/kg (head)     1.35 W/kg (body)     0.37 W/kg (head)     1.59 W/kg (body)    
Models SM-G965F, SM-G965U, SM-G965W, SM-G9650, SM-G965U1, SM-G965N, SCV39, SM-G965X, SC-03K SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL
Price $ 128.68 / C$ 389.00 / £ 749.99 / € 173.12 $ 139.00 / C$ 189.00 / £ 109.00 / € 126.00
Tests
Performance AnTuTu: 246660 (v7)
GeekBench: 8883 (v4.4)
GFXBench: 14fps (ES 3.1 onscreen)
AnTuTu: 113051 (v7), 175363 (v8)
GeekBench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal), 4.537 (sunlight) Contrast ratio: Infinite (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 68dB / Noise 74dB / Ring 80dB -28.6 LUFS (Average)
Audio quality Noise -92.6dB / Crosstalk -93.4dB Noise -93.1dB / Crosstalk -87.3dB
Battery (old) Endurance rating 86h Endurance rating 86h

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