Screen size
Quick verdict
Galaxy A57 leads the measured specs 17-5.
Measured wins
Galaxy A57
17
spec wins
Overall winner
Ties
1
equal specs
Galaxy J7 Prime 2
5
spec wins
Screen size
Technology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy J7 Prime 2
GSM / HSPA / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy J7 Prime 2
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy J7 Prime 2
HSDPA 850 / 900 / 1900 / 2100
4G bands
Galaxy A57
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
SD card
Stereo speakers
Galaxy J7 Prime 2
1, 3, 5, 7, 8, 20, 38, 40
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy J7 Prime 2
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy J7 Prime 2
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Galaxy A57
2026, March 25
Galaxy J7 Prime 2
2018, March. Released 2018, April
Status
Galaxy A57
Released Apr 10, 2026
Galaxy J7 Prime 2
Discontinued
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy J7 Prime 2
151.7 x 75 x 8 mm (5.97 x 2.95 x 0.31 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy J7 Prime 2
170 g (6.00 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy J7 Prime 2
Glass front (Gorilla Glass), aluminum/plastic back, aluminum frame
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy J7 Prime 2
· Nano-SIM· Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy J7 Prime 2
-
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy J7 Prime 2
PLS LCD
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy J7 Prime 2
5.5 inches, 83.4 cm2 (~73.3% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy J7 Prime 2
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy J7 Prime 2
Corning Gorilla Glass (market dependent)
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy J7 Prime 2
Android 7.0 (Nougat), upgradable to Android 9.0 (Pie)
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy J7 Prime 2
Exynos 7870 Octa (14 nm)
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy J7 Prime 2
Octa-core 1.6 GHz Cortex-A53
GPU
Galaxy A57
Xclipse 550
Galaxy J7 Prime 2
Mali-T830 MP1
Card slot
Galaxy A57
No
Galaxy J7 Prime 2
microSDXC (dedicated slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy J7 Prime 2
32GB 3GB RAM
Other
Galaxy A57
UFS
Galaxy J7 Prime 2
eMMC 5.1
Triple
Galaxy A57
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro)
Galaxy J7 Prime 2
-
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy J7 Prime 2
LED flash, panorama, HDR
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy J7 Prime 2
1080p@30fps
Single
Galaxy A57
-
Galaxy J7 Prime 2
13 MP, f/1.9, 28mm (wide), AF
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy J7 Prime 2
13 MP, f/1.9, 1/3.1", 1.12µm
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy J7 Prime 2
1080p@30fps
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy J7 Prime 2
Yes
3.5mm jack
Galaxy A57
No
Galaxy J7 Prime 2
Yes
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy J7 Prime 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy J7 Prime 2
4.1, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy J7 Prime 2
GPS, GLONASS, BDS
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy J7 Prime 2
No
Radio
Galaxy A57
No
Galaxy J7 Prime 2
FM radio
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy J7 Prime 2
microUSB 2.0, OTG
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy J7 Prime 2
Fingerprint (front-mounted), accelerometer, proximity
Other
Galaxy A57
-
Galaxy J7 Prime 2
ANT+
Type
Galaxy A57
5000 mAh
Galaxy J7 Prime 2
Li-Ion 3300 mAh, non-removable
Charging
Galaxy A57
45W wired
Galaxy J7 Prime 2
-
Talk time
Galaxy A57
-
Galaxy J7 Prime 2
Up to 21 h (3G)
Music play
Galaxy A57
-
Galaxy J7 Prime 2
Up to 84 h
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy J7 Prime 2
Black, Gold, Rose Gold
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy J7 Prime 2
SM-G611F, SM-G611FF, SM-G611M, SM-G611MT, SM-G611K
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy J7 Prime 2
0.61 W/kg (head)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy J7 Prime 2
0.37 W/kg (head) 1.63 W/kg (body)
Price
Galaxy A57
₹ 56,999
Galaxy J7 Prime 2
About 170 EUR