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Samsung Galaxy Note5 Duos vs Samsung Galaxy M51

 
Brief information about compared phones: Samsung Galaxy M51 , Samsung Galaxy Note5 Duos

Samsung Galaxy M51 2020 year of release, cpu - Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), screen 6.7", with resolution 1080x2400. Smartphone has 32 megapixel front camera and 64 megapixel main camera.

Samsung Galaxy Note5 Duos 2015 year of release, cpu Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53), screen 5.7", with resolution 1440x2560. Smartphone has 5 megapixel front camera and 16 megapixel main camera.

Display Technology Super AMOLED Plus Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.7" inc 5.7" inch
Screen area 108.4 cm2 89.6 cm2
Screen format 20:9 (height:width) 16:9 (height:width)
Screen to body ratio 86.7% 76.8%
Screen resolution 1080 x 2400 px 1440 x 2560 px
PPI /points per inch/ 515 PPI
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 4
Camera and Video Rear camera, main 64 MP, Quad 16 MP, Single
Camera specs -64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF -12 MP, f/2.2, 123˚ (ultrawide) -5 MP, f/2.4, (macro) -5 MP, (depth) 16 MP, f/1.9, 28mm (wide), 1/2.6'', 1.12µm, OIS, AF
Functions HDR Dual video call, Auto-HDR
Video 1080p@30fps 1440p@30fps
Front camera, selfie 32 MP, Single 5 MP, Single
Specifications 32 MP, f/2.0, 26mm (wide), 1/2.8'', 0.8µm 5 MP, f/1.9, 22mm (wide)
Performance Operating system OS Android 10, One UI 2.0 Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat)
Chipset - Qualcomm SDM730 Snapdragon 730G (8 nm) Exynos 7420 Octa (14 nm)
Processor CPU - Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
Graphics processor GPU - Adreno 618 Mali-T760MP8
External memory microSDXC (dedicated slot) No
Internal memory 128GB 6GB RAM, 128GB 8GB RAM 32/64 GB, 512GB 4GB
GeekBench 4 Single Core 1278
GeekBench 4 Multi-Core 3954
GeekBench 4 RenderScript 2898
Antutu 8 score 272774
GeekBench 5 Single Core 232
GeekBench 5 Multi-Core 907
General specs Release date 2020, August 31 2015, August
Dimensions (HxWxD) 163.9 Х 76.3 Х 9.5 mm 153.2 Х 76.1 Х 7.6 mm
Weight 213 g 171 g
Colors Celestial Black, Electric Blue Black Sapphire, Gold Platinum, Silver Titan, White Pearl
Battery 7000 mAh, Li-Po, non-removable 3000 mAh,  Non-removable Li-Po
Approximate price 360 EUR 600 EUR
Battery life Talking time- Up to 22 h (3G) Music play - Up to 64 h
Body build Glass front (Gorilla Glass 3), plastic back, plastic frame Front/back glass (Gorilla Glass 4), aluminum frame
Communication and Connectivity SIM card Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 - N9208, N920C -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - N9208, N9200  LTE band 1(2100), 20(800), 26(850) - N920C
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps/ LTE-A (3CA) Cat9 450/50 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
NFC Yes Yes
USB 2.0, Type-C 1.0 reversible connector microUSB 2.0, USB Host
Bluetooth 5.0, A2DP, LE 4.2, A2DP, EDR, LE
Harmful irradiation SAR - 1.38 W/kg (head) SAR EU - 0.61 W/kg (head)     1.45 W/kg (body)     SAR EU - 0.45 W/kg (head)     0.58 W/kg (body)    
Music and Audio Radio FM radio No
Headphone jack Yes Yes
Others 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features Dop - Sensors - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass - Fast charging 25W, 100% in 115 min -Reverse charging - Versions: SM-M515F/DSN (international) Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 - Qi/PMA wireless charging (market dependent) -ANT+ -S-Voice natural language commands and dictation - Stylus -Samsung Pay (Visa, MasterCard certified) - Versions: N9208 (Hong Kong, Philippines, Malaysia, Taiwan); N920C/N920CD (South Africa, UAE, Pakistan, Russia, Kazakhstan)

An overview of the main advantages of each of the devices

Reasons to buy Galaxy M51
  • Screen 6.7"
  • Front camera 32 MP
  • Main camera 64 MP
  • Internal memory 128 GB
  • External memory microSDXC (dedicated slot) GB
  • RAM 8 GB
Reasons to buy Galaxy Note5 Duos
  • Screen 5.7"
  • Main camera 16 MP
  • Internal memory 512 GB