Samsung Galaxy S3 vs Xiaomi Poco X2: 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

Poco X2:

LCD
Weight

Galaxy S3: 75 g lighter

Galaxy S3:

133 g

Poco X2:

208 g
Width

Galaxy S3: 6 mm narrower

Galaxy S3:

70.6 mm

Poco X2:

76.6 mm
Screen diagonal

Galaxy S3: 1.87 in smaller diagonal

Galaxy S3:

4.8 in

Poco X2:

6.67 in
Memory variants

At 64 GB storage

Galaxy S3:

1 GB RAM

Poco X2:

6 GB RAM
Chipset

Galaxy S3:

Exynos 4412 Quad (32 nm)

Poco X2:

Qualcomm SDM730 Snapdragon 730G (8 nm)

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
2. Poco X2

Height:

165.3 mm +28.7 mm versus Galaxy S3
Width:

76.6 mm +6 mm versus Galaxy S3
Depth:

8.8 mm

Weight

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

1. Galaxy S3

133 g
2. Poco X2

208 g

+75 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. Poco X2

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²

Poco X2 has approximately 69.1% 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, Poco X2, compared at the same storage capacity.
Storage	Galaxy S3	Poco X2
16 GB	1 GB RAM	Not recorded
32 GB	1 GB RAM	Not recorded
64 GB Recorded for all phones	1 GB RAM	6 GB RAM
128 GB	Not recorded	6 GB RAM
256 GB	Not recorded	8 GB 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 S3

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

2. Poco X2

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (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 S3

2100 mAh
2. Poco X2

4500 mAh

+2400 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. Poco X2

Everyday essentials

Everyday essentials — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Dimensions (HxWxD)	136.6 Х 70.6 Х 8.6 mm	165.3 Х 76.6 Х 8.8 mm
Weight	133 g	208 g
Technology	Super AMOLED	IPS LCD
Screen size	4.8" inch	6.67" inch
Screen resolution	720 x 1280 px	1080 x 2400 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	64GB 6GB RAM 128GB 6GB RAM 256GB 8GB RAM
Memory card support	microSD up to 64 GB (dedicated slot)	microSDXC (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.	2100 mAh Removable Li-Ion	4500 mAh Non-removable Li-Po
Operating system OS	Android 4.0.4 (Ice Cream Sandwich) 4.3 (Jelly Bean); TouchWiz UI	Android 10.0; MIUI 11
Chipset	Exynos 4412 Quad (32 nm)	Qualcomm SDM730 Snapdragon 730G (8 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	63.5 cm2	107.4 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	65.9%	84.8%
PPI /points per inch/	306 PPI	395 PPI
Screen protection	Corning Gorilla Glass 2	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Rear camera, main	8 MP Single	64 MP Quad
Camera specs	8 MP f/2.6 1/3'' AF	64 MP f/1.9 26mm (wide) 1/1.72'' 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0'' 1.12µm -2 MP f/2.4 1/5.0'' 1.75µm (dedicated macro camera) -2 MP 1.75µm depth sensor
Functions	LED flash	HDR
Video	720p@30fps	1080p@30fps
Front camera, selfie	1.9 MP Single	20 MP Dual
Specifications	1.9 MP f/2.6	20 MP f/2.2 27mm (wide) 1/3.4'' 0.8µm 2 MP f/2.4 1/5'' 1.75µm depth sensor

Performance

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

Performance — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Processor CPU	Quad-core 1.4 GHz Cortex-A9	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU	Mali-400MP4	Adreno 618
Antutu 7 score *	19293	Unknown
GeekBench 4 Single Core *	505	Unknown
GeekBench 4 Multi-Core *	1253	Unknown
GeekBench 4 RenderScript *	726	Unknown
Antutu 8 score *	Unknown	279215
GeekBench 4 Battery *	787	Unknown
GeekBench 5 Single Core *	Unknown	489
GeekBench 5 Multi-Core *	Unknown	1576

General specs

General specs — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Release date	2012 May. Released 2012 May	2020 February
Colors	Pebble Blue Marble white Amber brown Garnet red Sapphire Black Titanium Grey La Fleur	Atlantis Blue Matrix Purple Phoenix Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	190 EUR	200 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	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 8(900) 40(2300) 41(2500)
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A
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 Wi-Fi 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 USB On-The-Go
Bluetooth	4.0 A2DP EDR aptX	5.0 A2DP LE
Harmful irradiation	SAR - 0.55 W/kg (head) 1.49 W/kg (body) SAR EU - 0.21 W/kg (head)	SAR - 1.08 W/kg (head) 0.62 W/kg (body)

Music and Audio

Music and Audio — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Radio	Stereo FM radio RDS	FM radio recording
Others	Active noise cancellation with dedicated mic	HDR10 -120Hz refresh rate -500 nits typ. brightness 24-bit/192kHz audio

Other features

Other features — specifications for Galaxy S3, Poco X2.
Specification	Galaxy S3	Poco X2
Dop	Sensors Accelerometer gyro proximity compass barometer - S-Voice natural language commands and dictation	Sensors Fingerprint (side-mounted) accelerometer gyro proximity compass Infrared port - Fast battery charging 27W (100% in 68 min) - Splash resistant - Also known as Xiaomi POCO X2 Special Edition

Samsung Galaxy S3 vs Xiaomi Poco X2