Xiaomi Redmi S2 vs Lenovo K9

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Lenovo K9
₹9,999
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Summary

Spec Score

73%
74%

Release Date

12 Jun, 2018
01 Nov, 2018

Performance

Snapdragon 625
MediaTek Helio P22
Tru-Octa Core (upto 2 GHz)
Tru-Octa Core (upto 2 GHz)
3 GB RAM
3 GB RAM

Display

5.99 inches (15.21 cm)
5.7 inches (14.48 cm)
IPS LCD
IPS LCD
720x1440 px (HD+)
720x1440 px (HD+)

Rear Camera

12 MP
Primary Camera
13 MP
Primary Camera
5 MP
Depth Camera
5 MP
Depth Camera

Front Camera

16 MP
13 MP + 5 MP

Battery

3080 mAh
3000 mAh
N/A
Fast Charging
No Wireless Charging
No Wireless Charging

Storage

32 GB
32 GB
eMMC 5.1
eMMC 5.1

Expert Review

3.5/10
3.0/10

Pros

  • Fantastic selfie camera
  • Good performer
  • Good battery life
  • Latest Android software
  • Premium design
  • Decent battery life
  • USB Type-C port

Cons

  • Uninspiring design
  • The HD+ display could be a letdown
  • Sub-par rear cameras
  • Performance is sub-par
  • Camera app is slow
  • No dedicated microSD card slot

User Ratings

4.4/5
(207,032 ratings)
4.2/5
(18,151 ratings)

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₹7,900
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Video

Videos
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Videos
1 More Video

User Feedback

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General

Launch Date

Jun 12, 2018
(Official)
Nov 01, 2018
(Official)

Operating System

Android v8.1 (Oreo)
Android v8.1 (Oreo)

Custom UI

MIUI
N/A

Performance

Performance Rating

Good
Good

Chipset

Qualcomm Snapdragon 625 MSM8953
MediaTek Helio P22

CPU

Octa core, 2 GHz, Cortex A53
Octa core, 2 GHz, Cortex A53

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

14 nm
12 nm

Graphics (GPU)

Adreno 506
PowerVR GE8320

RAM

3 GB / 4 GB
3 GB

RAM Type

LPDDR3
LPDDR3

Display

Display Rating

Excellent
Excellent

Display Type

IPS LCD
IPS LCD

Screen Size

5.99 inches  (15.21 cm)
5.7 inches  (14.48 cm)

Resolution

720x1440 px (HD+)
720x1440 px (HD+)

Aspect Ratio

18:9
18:9

Pixel Density

269 ppi
282 ppi

Screen to Body Ratio (calculated)

74.64 %
74.78 %

Screen Protection

Corning Gorilla Glass v3
N/A

Bezel-less Display

Yes
Yes

Design

Height

160.7 mm
153.8 mm

Width

77.2 mm
72.9 mm

Thickness

8.1 mm
7.9 mm

Weight

170 grams
155 grams

Build Material

Back: Plastic
Back: Plastic

Rear Camera

Rear Camera Rating

Good
Good

Resolution

12 MP
Primary Cameraf/2.2IMX486 CMOS image sensor Exmor-RS CMOS Sensor 1.25µm pixel size
13 MP
Primary Cameraf/2.21/3" sensor size 1.12µm pixel size
5 MP
Depth Camera
5 MP
f/2.4 Depth Camera1.12µm pixel size

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

Flash

Yes Dual-color LED Flash
Yes Dual LED Flash

Image Resolution

4000 x 3000 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

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

Video Recording

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

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

16 MP
f/2.0 Primary Camera26 mm focal length 1/3.1" sensor size 1µm pixel size
13 MP
f/2.2 Primary Camera1/3" sensor size 1.12µm pixel size
N/A
5 MP
Depth Camera1.12µm pixel size

Autofocus

N/A
Yes

Flash

Yes LED Flash
Yes LED Flash

Video Recording

1920x1080 @ 30 fps
N/A

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

3080 mAh
3000 mAh

Battery Type

Li-Polymer
Li-ion

Quick Charging

N/A
Yes Fast Charging

Storage

Internal Storage

32 GB / 64 GB
32 GB

Storage Type

eMMC 5.1
eMMC 5.1

Expandable Storage

Yes Up to 256 GB
Yes Up to 256 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
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) / 850(band 5) / 800(band 20)

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
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) / 850(band 5) / 800(band 20)

SAR Value

Head: 1.115 W/kg Body: 1.238 W/kg
N/A

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n)
Yes Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v4.2
Yes v4.1

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
Rear

Other Sensors

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

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₹7,900
Not Available in any store