Samsung Galaxy Grand Duos vs Xiaomi Redmi 8: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy Grand Duos vs Xiaomi Redmi 8. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Score

Ki Price/Quality
Score
No price,
no Ki
7.6 Ki Price/Quality
Score
Design and Screen score 1.8 Design & Materials 6.0 Design & Materials
Performance and Hardware score 1.9 Performance & Hardware 5.8 Performance & Hardware
Camera score 2.4 Camera 7.0 Camera
Connectivity score 3.1 Connectivity 6.4 Connectivity
Battery score 2.5 Battery 8.0 Battery

User reviews

User score
4.7
7 opinions
8.9
34 opinions

Summary

Inches 5" 6.22"
Resolution LowRes HD+
Usable surface 64% useful 81% useful
Aspect Ratio 5:3 19:9
Dimensions 76.9 mm
143.5 mm
10.0 mm
75.4 mm
156.5 mm
9.4 mm
Weight 162 g 188 g
Micro BCM 28155
Dual-Core
SnapD. 439
Octa-Core
RAM 1 GB RAM 3 GB RAM
Storage 8 GB 32 GB
AnTuTu 10.853
v?
95.565
v8
Battery 2100 mAh 5000 mAh
Main Camera 1
8 Mpx · Unknow

1
12 Mpx · ƒ/1.8
IMX363 Exmor RS
2
Selfie Camera SELF 2 Mpx · ƒ/-- SELF 8 Mpx · ƒ/2.0
Bands
OS Android 4.4 KitKat Android 10 Q

Brand

Brand Samsung Xiaomi
Aliases -- Redmi8, Red Rice 8, Red Rice8, M1908C3IG

Release Date

Release date December 2012,
8 years ago
October 2019,
1 year ago
State Not available On Sale
Market -- Global

Design & Materials

Structure

Samsung Galaxy Grand Duos
Xiaomi Redmi 8
Samsung Galaxy Grand Duos
Xiaomi Redmi 8
Size
76.9 mm
143.5 mm
10.0 mm
Print 3D Model
75.4 mm
156.5 mm
9.4 mm
Print 3D Model
Weight 162 g 188 g
Usable surface 64 % 81 %
Materials - Plastic, P2i Nano coating
Resistance - -
Colors
Black

Blue

Red

Green

Screen

Diagonal 5" 6.22"
Type LCD IPS TFT LCD IPS
Aspect Ratio 5:3 19:9
Resolution LowRes
480 x 800 px
HD+
720 x 1520 px
Density 187 Pixels per inch 271 Pixels per inch

Others

Others
  • Without Notch
  • Capacitive
  • Multi-touch
  • Water Drop Notch
  • 1500:1 contrast ratio
  • 70% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
5.3
7.7
Do you think it's a nice phone?
5.9
8.5
Is it comfortable?
5.6
8.7
Can you see it well in the sunlight?
6.0
7.5
Number of reviews
7 opinions
34 opinions

Performance & Hardware

Processor

Model Broadcom BCM28155 Qualcomm Snapdragon 439
CPU 2x Cortex-A9 1.0 GHz 4x Cortex-A53 1.95 GHz + 4x Cortex-A53 1.45 GHz
Type Dual-Core Octa-Core
Manufacturing 40 nm 14 nm
Frequency 1.2 GHz 1.95 GHz
64 Bits No Yes

Graphics

GPU Broadcom VideoCore IV Qualcomm Adreno 505

RAM

RAM 1 GB 3 GB
Type -- LPDDR3 RAM

Storage

Capacity 8 GB 32 GB
Type -- eMMC 5.1 Storage
SD Slot Yes ,
Independent SD slot
Yes ,
Independent SD slot

Security

Fingerprint No Yes, in the back

Sensors

Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass

Others

Notifications LED -- --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
4.9
8.7
Does it work smoothly in everyday use?
3.0
8.8
What's your experience been with demanding games?
2.1
7.9
Number of reviews
7 opinions
34 opinions

Camera

Main

No. of cameras Rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 8 Mpx 12 Mpx
Sensor Samsung Sony IMX363 Exmor RS
Type CMOS BSI CMOS BSI
Aperture Unknow ƒ/ 1.8
ISO -- --
Pixel size -- 1.40 µm
Pixel Binning -- --
Sensor size -- 1/2.55
2
Camera type
--

Portrait mode (depth)
Resolution
2 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ --
ISO
--
Pixel size
--
Pixel Binning
--
Sensor size
--

Features

Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps
Yes,
60 fps
Others
  • Autofocus
  • Touch focus
  • Geotagging
  • Face detection
  • Digital zoom
  • Dual camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 2 Mpx 8 Mpx
Sensor Unknown Unknown
Type -- --
Aperture ƒ/ -- ƒ/ 2.0
ISO -- --
Pixel size -- 1.12 µm
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
6.1
8.7
Quality of nighttime photos
3.9
6.8
Quality of selfies
4.9
8.0
Does it have a powerful flash?
7.3
7.8
Number of reviews
7 opinions
34 opinions

Connectivity

Network compatibility

5G -- --
4G LTE --
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Mini SIM
  • Mini SIM
  • Nano SIM
  • Nano SIM

Wi-Fi

Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth

Version Bluetooth 4.0 LE Low energy consumption Bluetooth 4.2 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • HID (Human Interface Profile)
  • OPP (Object Push Profile)
  • SDP (Service Discovery Protocol)
  • SPP (Serial Port Protocol)
  • PAN (Personal Area Networking Profile)
  • MAP (Message Access Profile)
  • LE (Low Energy)
  • HSP (Headset Profile)
  • HFP (Hands-Free Profile)
  • AVCTP (Audio/Video Control Transport Protocol)
  • GATT (Generic Attribute Profile)
  • GAP (Generic Access Profile)
  • GAVDP (Generic Audio/Video Distribution Profile)
  • EDR (Enhanced Data Rate)
  • BNEP (Bluetooth Network Encapsulation Protocol)
  • AVRCP (Audio/Visual Remote Control Profile)
  • AVDTP (Audio/Video Distribution Transport Protocol
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB

USB
  • Charging
  • Mass Storage
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

-- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

-- --

Others

Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE

User reviews

Does it have good coverage for calls?
7.3
8.4
Quality of the GPS
7.1
8.5
And the WiFi?
7.0
8.8
Number of reviews
7 opinions
34 opinions

Battery

Battery

Capacity
2100 mAh
5000 mAh
Type Li-Ion Li-Polymer
Fast charge No Yes,
18.0W
Others
  • Removable
  • Non-removable

User reviews

How long does the battery last?
  • 14%
    Less than half day
  • 29%
    Less than a day
  • 43%
    One day
  • 14%
    More than one day
  • 0%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 21%
    One day
  • 41%
    More than one day
  • 38%
    Two days or more
Number of reviews
7 opinions
34 opinions

Software

Software

Operating System
  • Android 4.4 KitKat
    Android 4.4 KitKat, 7 years ago
  • MIUI V12 (Android 10)
    Android 10 Q, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 14%
    It has preinstalled apps but they don't bother me
  • 86%
    It has preinstalled apps that I can't uninstall
  • 6%
    It comes with a clean operating system
  • 79%
    It has preinstalled apps but they don't bother me
  • 15%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 86%
    Never
  • 14%
    Once a year
  • 0%
    Every six months
  • 0%
    Every two months or less
  • 3%
    Never
  • 3%
    Once a year
  • 28%
    Every six months
  • 66%
    Every two months or less
Number of reviews
7 opinions
34 opinions

Prices

Prices
Prices unavailable

Prices