Samsung Galaxy A3 (2017) vs Samsung Galaxy M40: 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 A3 (2017): 30 g lighter

Galaxy A3 (2017):

138 g

Galaxy M40:

168 g
Width

Galaxy A3 (2017): 7.7 mm narrower

Galaxy A3 (2017):

66.2 mm

Galaxy M40:

73.9 mm
Screen diagonal

Galaxy A3 (2017): 1.6 in smaller diagonal

Galaxy A3 (2017):

4.7 in

Galaxy M40:

6.3 in
Chipset

Galaxy A3 (2017):

Exynos 7870 Octa (14 nm)

Galaxy M40:

Qualcomm SDM675 Snapdragon 675 (11 nm)
Rear camera layout

Galaxy A3 (2017):

Single

Galaxy M40:

Triple
Height

Galaxy A3 (2017): 19.9 mm shorter

Galaxy A3 (2017):

135.4 mm

Galaxy M40:

155.3 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 A3 (2017)

Height:

135.4 mm
Width:

66.2 mm
Depth:

7.9 mm
2. Galaxy M40

Height:

155.3 mm +19.9 mm versus Galaxy A3 (2017)
Width:

73.9 mm +7.7 mm versus Galaxy A3 (2017)
Depth:

7.9 mm

Weight

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

1. Galaxy A3 (2017)

138 g
2. Galaxy M40

168 g

+30 g versus Galaxy A3 (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.

1. Galaxy A3 (2017)

Screen diagonal:

4.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

60.9 cm²
2. Galaxy M40

Screen diagonal:

6.3 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

97.4 cm²

Galaxy M40 has approximately 60% more rectangular screen area than Galaxy A3 (2017).

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 A3 (2017), Galaxy M40, compared at the same storage capacity.
Storage	Galaxy A3 (2017)	Galaxy M40
16 GB	2 GB RAM	Unknown

Galaxy M40: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

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 A3 (2017)

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses SIM 2 slot) - dual SIM model only

2. Galaxy M40

NFC:: Yes
Headphone jack:: No
Memory card support:: See details microSD · up to 1 TB (uses shared SIM slot)

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 A3 (2017)

2350 mAh
2. Galaxy M40

3500 mAh

+1150 mAh versus Galaxy A3 (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 A3 (2017)2. Galaxy M40

Everyday essentials

Everyday essentials — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Dimensions (HxWxD)	135.4 Х 66.2 Х 7.9 mm	155.3 Х 73.9 Х 7.9 mm
Weight	138 g	168 g
Technology	Super AMOLED	PLS TFT
Screen size	4.7" inch	6.3" inch
Screen resolution	720 x 1280 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 2 GB RAM	128 GB 6 GB RAM 64 GB 512GB 4GB
Memory card support	microSD up to 256 GB (uses SIM 2 slot) - dual SIM model only	microSD up to 1 TB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.	2350 mAh Non-removable Li-Ion	3500 mAh Non-removable Li-Po
Operating system OS	Android 6.0.1 (Marshmallow) upgradable to Android 8.0 (Oreo)	Android 9.0 (Pie); One UI
Chipset	Exynos 7870 Octa (14 nm)	Qualcomm SDM675 Snapdragon 675 (11 nm)
NFC	Yes	Yes
Headphone jack	Yes	No

Display

Display — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	60.9 cm2	97.4 cm2
Screen format	16:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	67.9%	84.9%
PPI /points per inch/	312 PPI	409 PPI
Screen protection	Corning Gorilla Glass 4	Corning Gorilla Glass (unspecified)

Camera and Video

Camera and Video — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Rear camera, main	13 MP Single	32 MP Triple
Camera specs	13 MP 27mm (wide) AF f/1.9	32 MP f/1.7 0.8µm PDAF -8 MP f/2.2 12mm (ultrawide) 1.12µm PDAF -5 MP depth sensor
Functions	LED flash panorama	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	16 MP Single
Specifications	8 MP f/1.9 24mm (wide)	16 MP f/2.0

Performance

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

Performance — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Processor CPU	Octa-core 1.6 GHz Cortex-A53	Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU	Mali-T830 MP1	Adreno 612
Antutu 7 score *	45152	177326
GeekBench 4 Single Core *	705	2361
GeekBench 4 Multi-Core *	3430	6438
GeekBench 4 RenderScript *	2283	Unknown
GeekBench 4 Battery *	2530	Unknown

General specs

General specs — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Release date	2017 January	2019 June
Colors	Black Sky Gold Sand Blue Mist Peach Cloud	Sweater Blue Midnight Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	220 EUR	260 EUR
Battery life	Talking time- Up to 17 h (3G) Music play - Up to 55 h	Unknown
Body build	Front/back glass (Gorilla Glass 4) aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
SIM card	Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM dual stand-by)	Hybrid 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 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 5(850) 7(2600) 8(900) 20(800) 40(2300)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 400/50 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	Yes with A-GPS GLONASS BDS
USB	2.0 Type-C 1.0 reversible connector	2.0 Type-C 1.0 reversible connector
Bluetooth	4.2 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.35 W/kg (head) 1.38 W/kg (body)	SAR - 0.20 W/kg (head)

Music and Audio

Music and Audio — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Radio	FM radio	FM radio
Others	Always-on display Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic -Dolby Atmos sound

Other features

Other features — specifications for Galaxy A3 (2017), Galaxy M40.
Specification	Galaxy A3 (2017)	Galaxy M40
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass barometer - ANT+ - Samsung Pay -IP68 dust/water proof (up to 1.5m for 30 mins) - Versions: A320FL (Europe); A320F (UAE TUR); A320F/DS (Global Dual-SIM); A320Y/DS (LATAM IDN THA); A320Y (NZL MEX). Also known as Samsung Galaxy A3 (2017) Duos with dual-SIM card slots	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 15W - Versions: SM-M405F/DS SM-M405FN/DS (Global) SM-M405G/DS

Samsung Galaxy A3 (2017) vs Samsung Galaxy M40