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Xiaomi Redmi 2 Prime vs Samsung Galaxy M51 vs Xiaomi Redmi 8

Key Feature Comparison

4.9

Xiaomi Redmi 2 Prime

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7.3

Samsung Galaxy M51

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6.6

Xiaomi Redmi 8

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At a Glance

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Quad core, 1.2 GHz, Cortex A53

Qualcomm Snapdragon 410 MSM8916, Adreno 306

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730G, Adreno 618

Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)

Qualcomm Snapdragon 439, Adreno 505

2200 mAh

Li-Polymer, Quick, v1.0

7000 mAh

Li-ion, Fast, 25W

5000 mAh

Li-Polymer, Fast, 18W

4.7 inches

312 ppi

6.7 inches

393 ppi, FHD

6.22 inches

270 ppi

Single, 8MP

1920x1080 @ 30 fps

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Dual, 12MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

4.7 inches
6.7 inches
6.22 inches

Screen Type

IPS LCD
Super AMOLED
IPS LCD

Screen Resolution

720 x 1280 pixels
1080 x 2400 pixels
720 x 1520 pixels

Pixel Density

312 ppi
393 ppi
270 ppi

Screen Protection

Yes
Gorilla Glass 3
Gorilla Glass 5

Screen to Body Ratio

67.47%
91%
81.48%

Aspect Ratio

-
20:09
-

Screen Design

-
Punch hole
Waterdrop notch

Screen Quality

-
FHD
-

Peak Brightness

-
420 nits
400 nits

Phone Variants

2GB 16GB
8GB 128GB, 6GB 128GB
3GB 32GB

Expandable Storage

Yes
Yes
Yes

Expandable Storage Capacity

Yes, 32 GB
Yes, 512 GB
Yes, 512 GB

OTG Support

Yes
-
Yes

RAM Type

-
LPDDR4X
LPDDR3

Storage Type

-
UFS 2.1
eMMC 5.1

Sensors

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

Operating System

Android v4.4.4 (Kitkat)
Android v10 (Q)
Android v9.0 (Pie)

GPU

Adreno 306
Adreno 618
Adreno 505

Chipset

Qualcomm Snapdragon 410 MSM8916
Qualcomm Snapdragon 730G
Qualcomm Snapdragon 439

CPU

Quad core, 1.2 GHz, Cortex A53
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)

Custom User Interface

MIUI
Samsung One UI
MIUI

Clock Speed

1.2 GHz
2.2 GHz
1.95 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

-
8 nm
12 nm

Battery Capacity

2200 mAh
7000 mAh
5000 mAh

Battery Removable

Yes
No
No

Battery Type

Li-Polymer
Li-ion
Li-Polymer

Charger Type

Quick, v1.0
Fast, 25W
Fast, 18W

USB Type-C

No
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Aug-15
31-Aug-20
12-Oct-2019

Market Status

Out of Stock
Available
Available

Brand

Xiaomi
Samsung
Xiaomi

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 6,999
Rs. 19,999
Rs. 10,499

Model Number

-
SM-M515FZBEINS
-

GPS

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

Audio Features

Active noise cancellation with dedicated mic
Dolby Atmos
Active noise cancellation with dedicated mic

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
-
Yes, Wireless FM

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Micro
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

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

Bluetooth Type

v4.0
v5.0
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, Dual VoLTE

eSIM

No
No
No

Wi-Fi Features

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

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 2100 / 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 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 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

4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (LTE category 4), GPRS: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

NFC

-
Yes
-

VoLTE

-
Yes
Yes

Front Video Recording

1280x720 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 2MP
Single, 32MP
Single, 8MP

Front Camera 1 Resolution

2 MP
32 MP
8 MP

Front Camera 1 Type

Primary Camera
f/2.2, Wide Angle Primary Camera
f/2.0 Primary Camera

Front Flash

No
No
Yes, Screen flash

Front Camera Features

-
HDR
HDR

Front Camera 1 Lens

-
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size

Front Sensor

-
Exmor RS
-

Front Aperture

-
f/2.2
f/2.0

Weight

134 grams
213 grams
188 grams

Colors

Grey, White
Celestial Black, Electric Blue
Sapphire Blue, Ruby Red, Emerald Green, Onxy Black

Build

Plastic body
Back: Plastic
Back: Plastic

Dimensions

134 x 67.2 x 9.4 mm
163.9 x 76.3 x 9.5 mm
156.4 x 75.4 x 9.4 mm

SAR Value

-
Head: 1.381 W/kg
Head: 0.339 W/kg, Body: 1.000 W/kg

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

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

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Smile detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Single, 8MP
Quad, 64MP + 12MP + 5MP + 5MP
Dual, 12MP + 2MP

Rear Camera 1 Resolution

8 MP
64 MP
12 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.8 Primary Camera

Rear Sensor

Back-illuminated sensor (BSI)
Exmor-RS CMOS Sensor, ISOCELL Plus
Exmor-RS CMOS Sensor

Rear Aperture

f/2.2
f/1.8
f/1.8

Rear Camera 1 Lens

-
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2.55" sensor size, 1.4 micrometre pixel size

Rear Camera 2 Resolution

-
12 MP
2 MP

Rear Camera 2 Type

-
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Depth Camera

Rear Camera 3 Resolution

-
5 MP
-

Rear Camera 3 Type

-
f/2.4, Macro Camera
-

Rear Camera 4 Resolution

-
5 MP
-

Rear Camera 4 Type

-
f/2.4, Depth Camera
-

Fingerprint Scanner

No
Yes
Yes

Fingerprint Scanner Position

-
Side
Rear

Face Unlock

-
Yes
Yes

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