Category Breakdown
Lenovo K7
vivo Y91i
Performance
43.361.2
Camera
28.419.1
Display
56.556.5
Battery
28.129.1
Build
0.20.2
Connectivity
51.249.5
Audio
8.98.9
Overall
31.731.9
Summary
- The Lenovo K7 features a 6.09-inch IPS LCD display with a resolution of 720 x 1520 pixels, while the vivo Y91i has a slightly larger 6.2-inch IPS LCD with the same resolution, resulting in a marginally lower pixel density.
- In terms of performance, the K7 is powered by the Unisoc SC9863A chipset, whereas the Y91i utilizes the more efficient Qualcomm Snapdragon 439, coupled with 2GB of RAM compared to the K7's unspecified RAM.
- Both devices have a dual rear camera setup with a 13 MP main sensor, but the Y91i offers an 8 MP selfie camera versus the K7's 5 MP.
- The battery capacity is similar, with the K7 at 4000 mAh and the Y91i at 4030 mAh, both lacking fast charging.
- The K7 runs on Android 10, while the Y91i operates on an older Android 8.1 with Funtouch 4.5, affecting the software experience.
Side-by-side Specification Comparison
Lenovo K7
vivo Y91i
General
Release Date
2020, April 13
2018
Announced
2020, April 13
2018
Description
Unofficial preliminary specifications
Not to be confused with Vivo Y91i for India
Display
Size
6.09"
6.2"
Type
IPS LCD
IPS LCD
Resolution
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Unisoc SC9863A (28 nm)
Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
GPU
IMG8322
Adreno 505
Memory
N/A
16GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC
Camera
Main Camera
13 MP, (wide), PDAF2 MP, (depth)
13 MP, f/2.2, PDAF2 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, panorama
Front Camera
5 MP
8 MP, f/2.0
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4030 mAh
Battery Details
Li-Ion 4000 mAh
4030 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
Weight
N/A
163.5 g
Materials
N/A
N/A
Colors
Blue, Black
Starry Black, Ocean Blue, Red
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
4.2, A2DP, LE
NFC
✗
✗
USB
Yes
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10
Android 8.1 (Oreo), Funtouch 4.5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (rear-mounted), accelerometer, proximity, compass

