Samsung Galaxy S3 vs Xiaomi Mi A1: 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.

Display technology

OLED versus LCD

Galaxy S3:

OLED

Mi A1:

LCD
Weight

Galaxy S3: 32 g lighter

Galaxy S3:

133 g

Mi A1:

165 g
Width

Galaxy S3: 5.2 mm narrower

Galaxy S3:

70.6 mm

Mi A1:

75.8 mm
Screen diagonal

Galaxy S3: 0.7 in smaller diagonal

Galaxy S3:

4.8 in

Mi A1:

5.5 in
Chipset

Galaxy S3:

Exynos 4412 Quad (32 nm)

Mi A1:

Qualcomm MSM8953 Snapdragon 625 (14 nm)
Rear camera layout

Galaxy S3:

Single

Mi A1:

Dual

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 S3

Height:

136.6 mm
Width:

70.6 mm
Depth:

8.6 mm +1.3 mm versus Mi A1
2. Mi A1

Height:

155.4 mm +18.8 mm versus Galaxy S3
Width:

75.8 mm +5.2 mm versus Galaxy S3
Depth:

7.3 mm

Weight

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

1. Galaxy S3

133 g
2. Mi A1

165 g

+32 g versus Galaxy S3

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 S3

Screen diagonal:

4.8 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

63.5 cm²
2. Mi A1

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

Mi A1 has approximately 31.3% more rectangular screen area than Galaxy S3.

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 S3, Mi A1, compared at the same storage capacity.
Storage	Galaxy S3	Mi A1
16 GB	1 GB RAM	Unknown
32 GB	1 GB RAM	Unknown
64 GB	1 GB RAM	Unknown

Mi A1: Original memory entry

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 S3

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 64 GB (dedicated slot)

2. Mi A1

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 GB (uses SIM 2 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 S3

2100 mAh
2. Mi A1

3080 mAh

+980 mAh versus Galaxy S3

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 S32. Mi A1

Everyday essentials

Everyday essentials — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Dimensions (HxWxD)	136.6 Х 70.6 Х 8.6 mm	155.4 Х 75.8 Х 7.3 mm
Weight	133 g	165 g
Technology	Super AMOLED	LTPS IPS LCD
Screen size	4.8" inch	5.5" inch
Screen resolution	720 x 1280 px	1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16/32/64 GB 1 GB RAM	64 GB 512GB 4GB
Memory card support	microSD up to 64 GB (dedicated slot)	microSD up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	2100 mAh Removable Li-Ion	3080 mAh Non-removable Li-Po
Operating system OS	Android 4.0.4 (Ice Cream Sandwich) 4.3 (Jelly Bean); TouchWiz UI	Android 7.1.2 (Nougat) upgradable to Android 9.0 (Pie); Android One
Chipset	Exynos 4412 Quad (32 nm)	Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	63.5 cm2	82.6 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	65.9%	70.1%
PPI /points per inch/	306 PPI	403 PPI
Screen protection	Corning Gorilla Glass 2	Corning Gorilla Glass 3

Camera and Video

Camera and Video — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Rear camera, main	8 MP Single	12 MP Dual
Camera specs	8 MP f/2.6 1/3'' AF	12 MP f/2.2 26mm (wide) 1.25µm PDAF -12 MP f/2.6 50mm (telephoto) 1.0µm AF 2x optical zoom
Functions	LED flash	Dual-LED dual-tone flash HDR panorama
Video	720p@30fps	1080p@30fps
Front camera, selfie	1.9 MP Single	5 MP Single
Specifications	1.9 MP f/2.6	5 MP

Performance

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

Performance — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Processor CPU	Quad-core 1.4 GHz Cortex-A9	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Mali-400MP4	Adreno 506
Antutu 7 score *	19293	78560
GeekBench 4 Single Core *	505	859
GeekBench 4 Multi-Core *	1253	4171
GeekBench 4 RenderScript *	726	Unknown
Antutu 8 score *	Unknown	96807
GeekBench 4 Battery *	787	3415
GeekBench 5 Single Core *	Unknown	169
GeekBench 5 Multi-Core *	Unknown	1000

General specs

General specs — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Release date	2012 May. Released 2012 May	2017 September
Colors	Pebble Blue Marble white Amber brown Garnet red Sapphire Black Titanium Grey La Fleur	Black Gold Rose Gold Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	190 EUR	170 EUR
Battery life	Stand by time- Up to 590 h (2G) / Up to 790 h (3G) Talking time- Up to 21 h 40 min (2G) / Up to 11 h 40 min (3G)	Unknown
Body build	plastic body	Front glass aluminum frame back

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
SIM card	Micro-SIM	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600) 40(2300)
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Class 12	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n dual-band Wi-Fi Direct DLNA hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0 (MHL TV-out) USB Host	2.0 Type-C 1.0 reversible connector
Bluetooth	4.0 A2DP EDR aptX	4.2 A2DP LE
Harmful irradiation	SAR - 0.55 W/kg (head) 1.49 W/kg (body) SAR EU - 0.21 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Radio	Stereo FM radio RDS	FM radio
Others	Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy S3, Mi A1.
Specification	Galaxy S3	Mi A1
Dop	Sensors Accelerometer gyro proximity compass barometer - S-Voice natural language commands and dictation	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity Infrared port - Charging 5V/2A 10W - For Europe Asia Pacific Middle East & Africa LATAM. Also known as Xiaomi Mi 5X in China.

Samsung Galaxy S3 vs Xiaomi Mi A1