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Xiaomi Redmi 1S vs Xiaomi Redmi 2 vs Xiaomi Mi A1

Key Feature Comparison

4.9

Xiaomi Redmi 1S

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4.5

Xiaomi Redmi 2

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At a Glance

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Quad core, 1.6 GHz, Cortex A7

Qualcomm Snapdragon 400 MSM8228, Adreno 305

Quad core, 1.2 GHz, Cortex A53

Qualcomm Snapdragon 410 MSM8916, Adreno 306

Octa core, 2 GHz, Cortex A53

Qualcomm Snapdragon 625 MSM8953, Adreno 506

2000 mAh

Li-Polymer

2200 mAh

Li-Polymer

3080 mAh

Li-ion

11.94 cm (4.7 inch)

312 ppi

11.94 cm (4.7 inch)

312 ppi

13.97 cm (5.5 inch)

401 ppi, FHD

Single, 8MP

1920x1080 @ 30 fps

Single, 8MP

1920x1080 @ 30 fps

Dual, 12MP + 12MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps

3G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

11.94 cm (4.7 inch)
11.94 cm (4.7 inch)
13.97 cm (5.5 inch)

Screen Type

IPS LCD
IPS LCD
IPS LCD

Screen Resolution

720 x 1280 pixels
720 x 1280 pixels
1080 x 1920 pixels

Pixel Density

312 ppi
312 ppi
401 ppi

Screen Protection

Yes
Yes
Corning Gorilla Glass

Screen to Body Ratio

64.27%
67.47%
70.63%

Phone Variants

1GB 8GB
1GB 8GB
4GB 64GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR2
-
LPDDR3

Storage Type

eMMC 4.5
-
eMMC 5.1

Expandable Storage Capacity

Yes, 64 GB
Yes, 32 GB
Yes, 128 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v4.3 (Jelly Bean)
Android v4.4.4 (Kitkat)
Android v7.1.2 (Nougat)

GPU

Adreno 305
Adreno 306
Adreno 506

Chipset

Qualcomm Snapdragon 400 MSM8228
Qualcomm Snapdragon 410 MSM8916
Qualcomm Snapdragon 625 MSM8953

CPU

Quad core, 1.6 GHz, Cortex A7
Quad core, 1.2 GHz, Cortex A53
Octa core, 2 GHz, Cortex A53

Custom User Interface

MIUI
MIUI
Android One

Clock Speed

1.6 GHz
1.2 GHz
2 GHz

Process Technology

28 nm
-
14 nm

Architecture

-
64 bit
64 bit

Battery Capacity

2000 mAh
2200 mAh
3080 mAh

Battery Removable

Yes
Yes
No

Battery Type

Li-Polymer
Li-Polymer
Li-ion

Announced On

5-May-14
5-Jan-15
5-Sep-17

Market Status

Out of Stock
Out of Stock
Available

Brand

Xiaomi
Xiaomi
Xiaomi

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 5,999
Rs. 5,999
Rs. 11,490

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic

Network Support

3G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
Yes
No

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Micro
SIM1: Micro
SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz

Bluetooth Type

v4.0
v4.0
v4.2

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

SIM 1 Bands

3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (LTE category 4), GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, GPRS: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Front Video Recording

1280x720 @ 30 fps
1280x720 @ 30 fps
1080p30fps

Front Camera Setup

Single, 1.6MP
Single, 2MP
Single, 5MP

Front Camera 1 Resolution

1.6 MP
2 MP
5 MP

Front Camera 1 Type

Primary Camera
Primary Camera
f/2.0, Primary Camera

Weight

158 grams
134 grams
165 grams

Colors

Black, Blue, Green, Grey, Red, Yellow
Black, Green, Pink, White, Yellow
Black, Gold, Red, Rose Gold

Build

Plastic body
Plastic body
Case: Metal, Back: Metal

Dimensions

137 x 69 x 9.9 mm
134 x 67.2 x 9.4 mm
155.4 x 75.8 x 7.3 mm

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, Dual-color LED Flash

Rear Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps

Rear Camera Features

Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Single, 8MP
Single, 8MP
Dual, 12MP + 12MP

Rear Camera 1 Resolution

8 MP
8 MP
12 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.2, Primary Camera

Rear Camera 1 Lens

28 mm focal length, 1.4 micrometre pixel size
-
1.25 micrometre pixel size

Rear Aperture

f/2.2
f/2.2
f/2.2

Rear Sensor

-
Back-illuminated sensor (BSI)
-

Fingerprint Scanner

-
No
Yes
Turn your old phone into cash

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