Side-by-side technical data

Samsung Galaxy J7 Prime vs Oppo A77 (2017)

Comparison between Samsung Galaxy J7 Prime and Oppo A77 (2017): camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung and Oppo.

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Samsung

Galaxy J7 Prime

Oppo

A77 (2017)

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The verdict

Neither runs away with it: each wins something.

Category
Category	Galaxy J7 Prime	A77 (2017)
Design & display	5.8	5.9
Performance & hardware	2.0	2.4
Camera	3.4	3.4
Connectivity	3.4	3.1
Battery & charging	2.7	2.5

Which one is for you?

Samsung Galaxy J7 Prime, if you care about…

Battery Capacity: 3,300 mAh; against 3,200 mAh

Oppo A77 (2017), if you care about…

RAM Capacity: 4 GB; against 3 GB
Bluetooth Version: Bluetooth 4.2; against Bluetooth 4.1
Weight: 148 g; against 167 g
Body Thickness: 7.4 mm; against 8 mm

Specification comparison

Show differences only

Performance

Specification	Galaxy J7 Prime	A77 (2017)
Processor Model	Samsung Exynos 7870	Qualcomm Snapdragon 625
Processor Process Size	14 nm	14 nm
Graphics GPU	Mali-T830 MP1	Qualcomm Adreno 506
Storage Type	eMMC 5.1	eMMC 5.1
Maximum CPU Clock	1.6 GHz	2 GHz Best value
Maximum Storage Capacity	64 GB	64 GB
AnTuTu Score	45,234	42,000
Geekbench 6 Single-Core	172	—
Geekbench 6 Multi-Core	492	—
CPU Description	Octa-core 1.6 GHz Cortex-A53	Octa-core 2.0 GHz Cortex-A53
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	3 GB	4 GB Best value
RAM Type	DDR3	—
Expandable Storage	Yes	Yes
Maximum memory card	128 GB	—

Design

Specification	Galaxy J7 Prime	A77 (2017)
Body Colors	Black, Gold, Rose Gold	Gold, Rose Gold, Black
Body Thickness	8 mm	7.4 mm Best value
Body Width	75 mm	75.9 mm
Body Height	151.7 mm	153.3 mm
Weight	167 g	148 g Best value
Usable Surface	73.3 % Best value	71.7 %
Body Materials	Glass, Plastic, Aluminium Alloy	Glass, Aluminium Alloy
Unfolded thickness	8 mm	7.4 mm Best value

Battery

Specification	Galaxy J7 Prime	A77 (2017)
Battery Capacity	3,300 mAh Best value	3,200 mAh
Battery Type	Li-Ion	Li-Ion
Fast Charge Power	—	10 W
Battery Features	Battery Level Indicator, Fast Charging, Rechargeable	Battery Level Indicator, Rechargeable
Talk time	21 h	—
Music playback time	84 h	—

Display

Specification	Galaxy J7 Prime	A77 (2017)
Display Aspect Ratio	16:9	16:9
Display Technology	PLS LCD	IPS LCD
Display Diagonal	5.5″	5.5″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	1,920 px	1,920 px
Display Pixel Density	401 ppi	401 ppi
Display Refresh Rate	60 Hz	—
Display Features	Gorilla Glass, Touchscreen	IPS LCD, Touchscreen

Sensors

Specification	Galaxy J7 Prime	A77 (2017)
Fingerprint Sensor Placement	Front	Front

Sensor

Specification	Galaxy J7 Prime	A77 (2017)
Sensor Features	Fingerprint Sensor, Accelerometer, Proximity Sensor	Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass

Software

Specification	Galaxy J7 Prime	A77 (2017)
Operating System	Android 6	Android 7
OS Family	Android	Android
OS Version	6	7 Best value

Connectivity

Specification	Galaxy J7 Prime	A77 (2017)
SIM Configurations	Single Nano-SIM, Dual Nano-SIM	Dual Nano-SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41
Cellular Technologies	GSM, HSPA, LTE, 4G	GSM, CDMA, HSPA, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)	Wi-Fi 802.11a/b/g/n, Wi-Fi 4 (802.11n)
Wi-Fi Features	Wi-Fi Direct	Wi-Fi 802.11a/b/g/n, Wi-Fi Direct
Bluetooth Version	Bluetooth 4.1	Bluetooth 4.2 Best value
Bluetooth Profiles	A2DP, LE	A2DP
Navigation Systems	GPS, GLONASS, BeiDou Best value	GPS
Connectivity Features	3.5 mm Audio Jack, ANT+, FM Radio, microUSB, USB OTG, USB Charging	3.5 mm Audio Jack, microUSB, USB OTG, USB Charging
USB Version	microUSB	USB 2.0
SAR American Head	0.56 W/kg	—
SAR American Body	1.02 W/kg	—
SAR (EU) head	0.4 W/kg	—
SAR (EU) body	1.4 W/kg	—
Max. download speed	150 Mbps	150 Mbps
Max. upload speed	50 Mbps	50 Mbps

Audio

Specification	Galaxy J7 Prime	A77 (2017)
Microphone Count	1	1
Audio Features	A2DP, LE, Loudspeaker	A2DP, Loudspeaker

Technical

Specification	Galaxy J7 Prime	A77 (2017)
Model numbers	SM-G610F, SM-G610Y, SM-G610M, SM-G610	CPH1715