Samsung Galaxy M31 vs Vodafone Smart III 975: 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

Smart III 975: 55 g lighter

Galaxy M31:

191 g

Smart III 975:

136 g
Width

Smart III 975: 10.7 mm narrower

Galaxy M31:

75.1 mm

Smart III 975:

64.4 mm
Screen diagonal

Smart III 975: 2.4 in smaller diagonal

Galaxy M31:

6.4 in

Smart III 975:

4 in
Chipset

Galaxy M31:

Exynos 9611 (10nm)

Smart III 975:

Mediatek MT6575 (40 nm)
Rear camera layout

Galaxy M31:

Triple

Smart III 975:

Single
Depth

Galaxy M31: 2 mm thinner

Galaxy M31:

8.9 mm

Smart III 975:

10.9 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 M31

Height:

159.2 mm +36 mm versus Smart III 975
Width:

75.1 mm +10.7 mm versus Smart III 975
Depth:

8.9 mm
2. Smart III 975

Height:

123.2 mm
Width:

64.4 mm
Depth:

10.9 mm +2 mm versus Galaxy M31

Weight

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

1. Galaxy M31

191 g

+55 g versus Smart III 975
2. Smart III 975

136 g

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 M31

Screen diagonal:

6.4 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.5 cm²
2. Smart III 975

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²

Galaxy M31 has approximately 120.8% more rectangular screen area than Smart III 975.

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 M31, Smart III 975, compared at the same storage capacity.
Storage	Galaxy M31	Smart III 975
64 GB	6 GB RAM	Unknown
128 GB	6 GB RAM	Unknown

Smart III 975: Original memory entry

4 GB · 512 MB RAM

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 M31

NFC:: See details Yes (market/region dependent)
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

2. Smart III 975

NFC:: See details Yes (975N model only)
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated 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 M31

6000 mAh

+4500 mAh versus Smart III 975
2. Smart III 975

1500 mAh

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 M312. Smart III 975

Everyday essentials

Everyday essentials — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Dimensions (HxWxD)	159.2 Х 75.1 Х 8.9 mm	123.2 Х 64.4 Х 10.9 mm
Weight	191 g	136 g
Technology	Super AMOLED	TFT
Screen size	6.4" inch	4" inch
Screen resolution	1080 x 2340 px	480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64GB 6GB RAM 128GB 6GB RAM	4 GB 512 MB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	6000 mAh Non-removable Li-Po	1500 mAh Removable Li-Ion
Operating system OS	Android 10.0; One UI 2.0	Android 4.1 (Jelly Bean)
Chipset	Exynos 9611 (10nm)	Mediatek MT6575 (40 nm)
NFC	Yes (market/region dependent)	Yes (975N model only)
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	Unknown
Screen area	100.5 cm2	45.5 cm2
Screen format	19.5:9 (height:width)	5:3 (height:width)
Screen to body ratio	84.1%	57.4%
PPI /points per inch/	403 PPI	233 PPI
Screen protection	Corning Gorilla Glass 3	Unknown

Camera and Video

Camera and Video — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Rear camera, main	64 MP Triple	5 MP Single
Camera specs	64 MP f/1.8 26mm (wide) 1/1.72" 0.8µm PDAF -8 MP f/2.2 12mm (ultrawide) 1/4.0" 1.12µm -5 MP f/2.4 25mm (macro) 1/5.0" (depth)	5 MP AF
Functions	HDR	LED flash
Video	2160p@30fps 1080p@30fps	720p@30fps
Front camera, selfie	32 MP Single	0 MP,
Specifications	32 MP f/2.0 26mm (wide) 1/2.8'' 0.8µm	Unknown

Performance

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

Performance — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Processor CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	1.0 GHz Cortex-A9
Graphics processor GPU	Mali-G72 MP3	PowerVR SGX531
Antutu 8 score *	194554	Unknown

General specs

General specs — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Release date	2020 February 25	2013
Colors	Ocean Blue Space Black Red	Black White Hot pink Titan
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	200 EUR	110 EUR
Battery life	Unknown	Stand by time- Up to 475 h (2G) / Up to 388 h (3G) Talking time- Up to 6 h
Body build	Glass front (Gorilla Glass 3) plastic back plastic frame	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
SIM card	Dual SIM (Nano-SIM dual stand-by)	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed	HSPA LTE-A	HSPA
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS GLONASS GALILEO BDS	Yes with A-GPS
USB	2.0 Type-C 1.0 reversible connector	microUSB 2.0
Bluetooth	5.0 A2DP LE	4.0 A2DP
Harmful irradiation	SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)	SAR - 0.54 W/kg (head) 0.76 W/kg (body)

Music and Audio

Music and Audio — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Radio	FM radio RDS recording	FM radio

Other features

Other features — specifications for Galaxy M31, Smart III 975.
Specification	Galaxy M31	Smart III 975
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 15W - Versions: SM-M315F/DS	Sensors Accelerometer proximity

Samsung Galaxy M31 vs Vodafone Smart III 975