Phone Comparison - Samsung Galaxy Ace 2 vs Samsung Galaxy J1 (2016) vs Samsung Galaxy A51

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2012 January 2016 December 2019
Status Available - May 2012 Available - February 2016 Coming Soon - December 12, 2019
Price - Rs. 6,890 ($117.65) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Black White, Black, Gold Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
132.6 x 69.3 x 8.9 mm
(5.22 x 2.73 x 0.35 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight 122 g (4.3 oz) 131 g (4.62 oz) 172 g (6.07 oz)
SIM Type - Dual-SIM Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) LTE (unspecified)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Fingerprint Sensor(In-display)
Notification LED - No -

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v5.1.1 (Lollipop) Android 9.0 (Pie)
Processor Dual-core 800 MHz, NovaThor U8500 Quad-core 1.3 GHz Cortex-A7, Spreadtrum SC9830 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Mali-400MP Mali-400 Mali-G72 MP3
RAM 768 MB 1 GB 8 GB
Internal Memory 4 GB storage 8 GB 128 GB
External Memory microSD, up to 32GB microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)

display Display

Type PLS TFT capacitive touchscreen Super AMOLED capacitive touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.5 inches 6.5 inches
Resolution 480 x 800 pixels (246 ppi) 480 x 800 pixels (207 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 55.64% 62.92% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio with RDS; recording FM radio
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 5 MP, 2592 х 1944 pixels 48 MP + 12 MP + 5 MP + 5 MP
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Face And Smile Detection Autofocus, f/2.2 aperture lens, Geo-tagging, Touch Focus, Face Detection 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
Video Yes, 720p@30fps Yes 2160p@30fps, 1080p@30fps
Front Camera Yes, VGA [Similar] 2 MP [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE HSPA, LTE-A
Bluetooth Yes, v3.0 with A2DP v4.0, A2DP 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes, v2.0 microUSB microUSB v2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML HTML Yes

memory User Memory

Internal 4 GB storage, 768 MB RAM 8 GB, 1 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 32GB microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)
USB OTG - Not Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not 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
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 1500 mAh 2050 mAh 4000 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
- -
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
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