Phone Comparison - Nokia 7.1 vs Samsung Galaxy A51 vs Samsung Galaxy A31

Price Comparison (India) -

general General Info

Manufacturer Nokia Samsung Samsung
Announced October 2018 December 2019 2020, March 24
Status Available - October 2018 Coming Soon - December 12, 2019 Coming Soon - April 2020
Price Rs. 19,999 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced] -
Colors Gloss midnight blue, gloss steel Prism Crush White, Black, Pink, Blue Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor Candybar Candybar Candybar
Dimension 149.7 x 71.2 x 8 mm
(5.89 x 2.8 x 0.31 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
Weight 160 g (5.64 oz) 172 g (6.07 oz) 185 g (6.53 oz)
SIM Type Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
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 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE (unspecified) LTE (unspecified)
SAR EU 0.26 W/kg (head)
1.74 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie) Android 9.0 (Pie) Android 10.0
User Interface Android One One UI One UI 2.0
Processor Octa-core 1.8 GHz Kryo 260, Qualcomm SDM636 Snapdragon 636 (14 nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm)
GPU Adreno 509 Mali-G72 MP3 Mali-G52 MC2
RAM 4 GB 8 GB 6 GB
Internal Memory 64 GB 128 GB 128 GB
External Memory microSD, up to 400 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.84 inches 6.5 inches 6.4 inches
Resolution 1080 x 2280 pixels (432 ppi) 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 79.87% 89.06% 85.01%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash Dual-LED Dual-tone Flash LED Flash LED flash
Features 12 MP, f/1.8, 1.28µm, Dual Pixel PDAF
5 MP, f/2.4, 1.12µm, depth sensor
Zeiss Optics, Panorama, HDR
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
Video 2160p@30fps, 1080p@30fps (gyro-EIS) 2160p@30fps, 1080p@30fps 1080p@30fps
Front Camera 8 MP, f/2.0, 24mm, 1080p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps HSPA, LTE-A HSPA, LTE-A
Bluetooth 5.0, A2DP, EDR, LE, aptX 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot 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
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM or 32 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 400 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot) microSDXC
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3060 mAh 4000 mAh 5000 mAh
Stand by Up to 408 h (3G) - -
Talk Time Up to 19 h 30 min (3G) - -