Category Breakdown
BLU Tank Xtreme 4.0
Lenovo K7
Performance
54.360.3
Camera
41.942.4
Display
67.370.5
Battery
51.051.0
Build
70.870.8
Overall
54.957.5
Summary
- The BLU Tank Xtreme 4.0 features a compact 4.0-inch IPS LCD display with a resolution of 480 x 800 pixels, while the Lenovo K7 offers a larger 6.09-inch IPS LCD with a higher resolution of 720 x 1520 pixels, resulting in better pixel density and overall visual clarity.
- In terms of performance, the BLU model is powered by a quad-core Mediatek MT6580 chipset, whereas the Lenovo K7 utilizes an octa-core Unisoc SC9863A, providing superior processing capabilities.
- The camera on the BLU is limited to a 3.15 MP rear sensor, while the Lenovo K7 boasts a dual-camera setup with a 13 MP main sensor and a 2 MP depth sensor, enabling more versatile photography.
- Battery capacity is also greater in the Lenovo K7 at 4000 mAh compared to the 2800 mAh in the BLU, which may translate to longer usage time.
- Lastly, the BLU runs on Android 6.0, while the Lenovo K7 benefits from a more recent Android 10, offering a more updated software experience.
Side-by-side Specification Comparison
BLU Tank Xtreme 4.0
Lenovo K7
General
Release Date
2017
2020, April 13
Announced
2017
2020, April 13
Description
N/A
Unofficial preliminary specifications
Display
Size
4"
6.09"
Type
IPS LCD
IPS LCD
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
720 x 1520 pixels, 19:9 ratio (~276 ppi density)
PPI
480
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6580 (28 nm)
Unisoc SC9863A (28 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
Mali-400MP2
IMG8322
Memory
4GB 512MB RAM
N/A
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
3.15 MP
13 MP
Main Camera Details
3.15 MP
13 MP, (wide), PDAF2 MP, (depth)
Front Camera
2 MP
5 MP
Front Camera Details
2 MP
5 MP
Video Recording
720p@30fps
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2800 mAh
4000 mAh
Battery Details
Li-Po 2800 mAh, non-removable
Li-Ion 4000 mAh
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
130 x 69 x 13.9 mm (5.12 x 2.72 x 0.55 in)
N/A
Weight
141 g
N/A
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Blue
Blue, Black
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Micro-SIM)
Nano-SIM + Nano-SIM
Network
GSM / HSPA
GSM / CDMA / HSPA / LTE
Network Speed
HSPA 21.1/5.76 Mbps
HSPA, LTE
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
5.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
Yes
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Software
Operating System
Android 6.0 (Marshmallow)
Android 10
OS Version
Android 6.0 (Marshmallow)
Android 10
Security
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer
Fingerprint (rear-mounted), accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

