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Specifications
 

Samsung Galaxy A51

Samsung Galaxy Note8

Full Differences
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Samsung Galaxy A51
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Samsung Galaxy A51

Samsung Galaxy Note8

Network
Technology GSM / HSPA / 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)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 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, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
  2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps
Launch
Announced 2019, December 12 2017, August 23
Status Available. Released 2019, December 16 Available. Released 2017, September
Body
Dimensions 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) 162.5 x 74.8 x 8.6 mm (6.40 x 2.94 x 0.34 in)
3D size compare
Weight 172 g (6.07 oz) 195 g (6.88 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
  IP68 dust/water resistant (up to 1.5m for 30 min)
Stylus
Display
Type Super AMOLED Super AMOLED, HDR10
Size 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) 6.3 inches, 101.1 cm2 (~83.2% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 1440 x 2960 pixels, 18.5:9 ratio (~521 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
  3D Touch (home button only)
Always-on display
Platform
OS Android 10, upgradable to Android 13, One UI 5 Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie)
Chipset Exynos 9611 (10nm) Exynos 8895 (10 nm) - EMEA
Qualcomm MSM8998 Snapdragon 835 (10 nm) - USA & China
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) - EMEA
Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China
GPU Mali-G72 MP3 Mali-G71 MP20 - EMEA
Adreno 540 - USA & China
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot) - dual SIM model only
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 256GB 6GB RAM
 UFS 2.0 UFS 2.1
Main Camera
Modules 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)
12 MP, f/1.7, 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
Features LED flash, panorama, HDR LED flash, auto-HDR, panorama
Video 4K@30fps, 1080p@30/120fps; gyro-EIS 4K@30fps, 1080p@30/60fps, 720p@240fps, stereo sound rec., HDR, gyro-EIS
Selfie Camera
Modules 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
2 MP (dedicated iris scanner camera)
Features HDR Dual video call, Auto-HDR
Video 4K@30fps, 1080p@30fps 1440p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
  32-bit/384kHz audio
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 5.0, A2DP, LE, aptX
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS, GALILEO
NFC Yes Yes
Infrared port No No
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C 3.1
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, compass Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
 Virtual proximity sensing
ANT+
Samsung DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Battery
Type Li-Po 4000 mAh, non-removable Li-Ion 3300 mAh, non-removable
Charging 15W wired 15W wired, QC2
Wireless (Qi/PMA) (market dependent)
Talk time Up to 22 h (3G)
Music play Up to 74 h
Misc
Colors Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink Midnight Black, Maple Gold, Orchid Gray, Deep Sea Blue, Star Pink
SAR 0.80 W/kg (head)     0.67 W/kg (body)     0.61 W/kg (head)     0.56 W/kg (body)    
SAR EU 0.37 W/kg (head)     1.59 W/kg (body)     0.17 W/kg (head)     1.29 W/kg (body)    
Models 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 SM-N950F, SM-N950U, SM-N9500, SM-N950U1, SM-N950N, SM-N950W, SC-01K, SM-N950FD
Price $ 129.00 / C$ 188.95 / £ 100.00 / € 136.40 / ₹ 27,999 About 500 EUR
Tests
Performance AnTuTu: 113051 (v7), 175363 (v8)
GeekBench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)
AnTuTu: 201065 (v7)
GeekBench: 6784 (v4.4)
GFXBench: 13fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal), 4.148(sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -28.6 LUFS (Average) Voice 67dB / Noise 69dB / Ring 71dB
Audio quality Noise -93.1dB / Crosstalk -87.3dB Noise -92.5dB / Crosstalk -93.2dB
Battery (old) Endurance rating 86h Endurance rating 89h

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