Lenovo S660 vs Oppo K13

Key Specs

Battery
3000 mAh	-
Display
4.7 inches (11.94 cm)	-
Front Camera
0.3 MP	-
Processor
MediaTek MT6582	-
RAM
1 GB	-
Rear Camera
8 MP	-

Audio

Audio Jack
-	Yes, USB Type-C
Stereo Speakers
-	Yes

Battery

Capacity
3000 mAh	7000 mAh
Quick Charging
-	Yes, 80W Super VOOC Charging, 62% in 30 minutes
Removable
Yes	-
Standby Time
Up to 800 Hours(3G) / Up to 840 Hours(2G)	-
Standby time
Up to 800 Hours(3G) / Up to 840 Hours(2G)	-
TalkTime
Up to 20 Hours(3G) / Up to 36 Hours(2G)	-
Type
Li-Polymer	Silicon Carbon
USB Type-C
-	Yes

Camera

Autofocus
-	Yes
Flash
-	Yes, Dual LED Flash
Front Camera
-	16 MP
Rear Camera
-	50 MP + 2 MP
Shooting Modes
-	Continuous Shooting
Video Recording
-	3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Design

Build Material
-	Back: Plastic
Colours
Black	-
Height
137 mm	-
Ruggedness
-	Dust proof Click to ViewClick to View
Thickness
10 mm	-
Water Resistance
-	Yes, Splash proof, IP65
Weight
151 grams	208 grams
Width
68.8 mm	-

Not sure which
mobile to buy?

Dimensions

Dimensions
-	163.21 x 76.13 x 8.45
Height
-	163.21 mm
Thickness
-	8.45 mm
Width
-	76.13 mm

Display

Aspect Ratio
-	20.9
Brightness
-	1200
Display Type
IPS LCD	AMOLED (Curved Display)
Pixel Density
234 ppi	395 ppi
Refresh Rate
-	120 Hz
Resolution
540x960 px	1080 x 2400 pixels (FHD+)
Screen Size
4.7 inches (11.94 cm)	6.67 inches
Screen to Body Ratio (calculated)
64.46 %	-
Screen to Body Ratio (claimed by the brand)
-	92.2 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

Front Camera

Camera Features
Fixed Focus	-
Resolution
0.3 MP, Primary Camera	-

General

Brand
Lenovo	Oppo
Custom UI
-	ColorOS
Launch Date
April 14, 2014 (Official)	April 25, 2025
Model
-	K13
Operating System
Android v4.2 (Jelly Bean)	Android v15
SAR Value
-	Head: 1.191 W/kg, Body: 0.636 W/kg

Main Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Face detection Touch to focus	-
Camera Setup
Single	-
Flash
Yes, LED Flash	-
Image Resolution
3264 x 2448 Pixels	-
Resolution
8 MP, Primary Camera	-
Shooting Modes
High Dynamic Range mode (HDR)	-
Video Recording
1920x1080 fps	-

Multimedia

Audio Jack
3.5 mm	-
FM Radio
Yes	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes, v4.0	Yes, v5.2
GPS
Yes with A-GPS	Yes with A-GPS, Glonass
NFC
-	No
Network Support
5G Not Supported in India, 3G, 2G	5G, 4G
SIM 1
3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	5G Bands: FDD N3, TDD N40: 4G bands TD-LTE 2300(band 40), FD-LTE 1800(band 3)
SIM 2
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	5G Bands: FDD N3, TDD N40: 4G bands TD-LTE 2300(band 40), FD-LTE 1800(band 3)
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM
USB Connectivity
microUSB 2.0	-
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz
Wi-Fi Features
Mobile Hotspot	-

Performance

CPU
Quad core, 1.3 GHz	-
Chipset
MediaTek MT6582	-
Graphics
Mali-400 MP2	Adreno 810
Processor
-	Qualcomm Snapdragon 6 Gen4
Processor Fabrication
-	4 Nm
RAM
1 GB	8 GB
RAM Type
-	LPDDR4X

Sensors

Fingerprint Sensor
-	Yes, In Display
Other Sensors
Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Yes, Up to 32 GB	-
Internal Memory
8 GB	128 GB / 256 GB
Storage Type
-	UFS 3.1