Samsung Galaxy A7 (2017) vs vivo NEX 3: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Weight

Galaxy A7 (2017): 31.3 g lighter

Galaxy A7 (2017):

186 g

NEX 3:

217.3 g
Width

NEX 3: 1.5 mm narrower

Galaxy A7 (2017):

77.6 mm

NEX 3:

76.1 mm
Screen diagonal

Galaxy A7 (2017): 1.19 in smaller diagonal

Galaxy A7 (2017):

5.7 in

NEX 3:

6.89 in
Chipset

Galaxy A7 (2017):

Exynos 7880 Octa (14 nm)

NEX 3:

Qualcomm SDM855 Snapdragon 855+ (7 nm)
Rear camera layout

Galaxy A7 (2017):

Single

NEX 3:

Triple
Depth

Galaxy A7 (2017): 1.5 mm thinner

Galaxy A7 (2017):

7.9 mm

NEX 3:

9.4 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Galaxy A7 (2017)

Height:

156.8 mm
Width:

77.6 mm +1.5 mm versus NEX 3
Depth:

7.9 mm
2. NEX 3

Height:

167.4 mm +10.6 mm versus Galaxy A7 (2017)
Width:

76.1 mm
Depth:

9.4 mm +1.5 mm versus Galaxy A7 (2017)

Weight

Bars start at zero and share a scale within this chart.

1. Galaxy A7 (2017)

186 g
2. NEX 3

217.3 g

+31.3 g versus Galaxy A7 (2017)

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

At least two phones need compatible screen dimensions for a drawing.

1. Galaxy A7 (2017)

Screen diagonal:

5.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

89.6 cm²
2. NEX 3

NEX 3: Screen geometry unavailable or conflicting.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Galaxy A7 (2017), NEX 3, compared at the same storage capacity.
Storage	Galaxy A7 (2017)	NEX 3
32 GB	3 GB RAM	Unknown

NEX 3: Original memory entry

128GB 8GB RAM · UFS3.0

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Galaxy A7 (2017)

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (dedicated slot)

2. NEX 3

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Galaxy A7 (2017)

3600 mAh
2. NEX 3

4500 mAh

+900 mAh versus Galaxy A7 (2017)

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Galaxy A7 (2017)2. NEX 3

Everyday essentials

Everyday essentials — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Dimensions (HxWxD)	156.8 Х 77.6 Х 7.9 mm	167.4 Х 76.1 Х 9.4 mm
Weight	186 g	217.3 g
Technology	Super AMOLED	Super AMOLED
Screen size	5.7" inch	6.89" inch
Screen resolution	1080 x 1920 px	1080 x 2256 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 GB RAM	128GB 8GB RAM UFS3.0
Memory card support	microSD up to 256 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	3600 mAh Non-removable Li-Ion	4500 mAh Non-removable Li-Po
Operating system OS	Android 6.0.1 (Marshmallow) upgradable to Android 8.0 (Oreo)	Android 9.0 (Pie); Funtouch 9.1
Chipset	Exynos 7880 Octa (14 nm)	Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	89.6 cm2	119.3 cm2
Screen format	16:9 (height:width)	Unknown
Screen to body ratio	73.6%	93.6%
PPI /points per inch/	386 PPI	0 PPI
Screen protection	Corning Gorilla Glass 4	Unknown

Camera and Video

Camera and Video — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Rear camera, main	16 MP Single	64 MP Triple
Camera specs	16 MP f/1.9 27mm (wide) AF	64 MP f/1.8 (wide) 1/1.7'' 0.8µm PDAF -13 MP f/2.5 (telephoto) f/2.2 (ultrawide) PDAF
Functions	LED flash panorama HDR	LED flash HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	16 MP Single	16 MP Single
Specifications	16 MP f/1.9	Motorized pop-up 16 MP f/2.1

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Processor CPU	Octa-core 1.9 GHz Cortex-A53	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU	Mali-T830MP3	Adreno 640 (700 MHz)
Antutu 7 score *	63218	Unknown
GeekBench 4 Single Core *	771	Unknown
GeekBench 4 Multi-Core *	4011	Unknown
GeekBench 4 RenderScript *	2980	Unknown
Antutu 8 score *	Unknown	483427
GeekBench 5 Single Core *	145	Unknown
GeekBench 5 Multi-Core *	911	Unknown

General specs

General specs — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Release date	2017 January	2019 September
Colors	Black Sky Gold Sand Blue Mist and Peach Cloud	Liquid Tianhe Deep air streamer
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	280 EUR	640 EUR
Battery life	Talking time- Up to 23 h (3G) Music play - Up to 59 h	Unknown
Body build	Front/back glass aluminum frame	Front/back glass aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
SIM card	Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 17(700) 20(800) 28(700) 38(2600) 40(2300) 41(2500)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -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) 20(800) 26(850) 28(700) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (5CA) Cat18 1200/150 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
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
GPS	Yes with A-GPS GLONASS BDS	Yes with A-GPS GLONASS GALILEO BDS
USB	2.0 Type-C 1.0 reversible connector	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	4.2 A2DP EDR LE	5.0 A2DP LE
Harmful irradiation	SAR - 1.00 W/kg (head) 0.71 W/kg (body) SAR EU - 0.21 W/kg (head) 1.33 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Radio	FM radio	No
Others	Always-on display Active noise cancellation with dedicated mic	HDR10 32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy A7 (2017), NEX 3.
Specification	Galaxy A7 (2017)	NEX 3
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass barometer - Fast battery charging -ANT+ - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) - Versions: A720F (Global Single-SIM); A720F/DS (Global Dual-SIM). Also known as Samsung Galaxy A7 (2017) Duos with dual-SIM card slots	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 44W

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Samsung Galaxy A7 (2017) vs vivo NEX 3