BLU Studio J8 LTE
#5203
HMD Key
#3378Category Breakdown
BLU Studio J8 LTE
HMD Key
Performance
45.552.4
Camera
27.939.6
Display
56.569.2
Battery
21.828.1
Build
0.20.2
Connectivity
48.147.9
Audio
8.98.9
Overall
28.841.5
Summary
- The BLU Studio J8 LTE features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the HMD Key offers a larger 6.52-inch IPS LCD with a resolution of 576 x 1280 pixels, resulting in a lower pixel density.
- Both devices utilize a quad-core Cortex-A53 CPU, but the HMD Key has more RAM at 32GB compared to the BLU's maximum of 2GB, which enhances performance.
- Camera specifications are similar with both having an 8 MP rear camera and a 5 MP front camera, though the HMD Key includes autofocus.
- The BLU Studio J8 LTE is equipped with a 2500 mAh battery, whereas the HMD Key has a significantly larger 4000 mAh battery with faster 10W charging.
- In terms of software, the BLU runs on Android 7.0 Nougat, while the HMD Key operates on Android 14 (Go edition), providing a more updated software experience.
Side-by-side Specification Comparison
BLU Studio J8 LTE
HMD Key
General
Release Date
2017
2025, January 02
Announced
2017
2025, January 02
Description
N/A
N/A
Display
Size
5.5"
6.52"
Type
IPS LCD
IPS LCD, 460 nits (peak)
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
PPI
720
576
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6737 (28 nm)
Unisoc SC9832E
CPU
Quad-core 1.3 GHz Cortex-A53
Quad-core 1.3 GHz Cortex-A53
GPU
Mali-T720
Mali-820MP1
Memory
8GB 1GB RAM, 16GB 2GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
8 MP
8 MP, (wide), AF
Main Camera Features
LED flash
LED flash, panorama
Front Camera
5 MP
5 MP
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
Yes
Selfie Video
N/A
Yes
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2500 mAh
4000 mAh
Battery Details
Li-Po 2500 mAh, non-removable
4000 mAh
Charging Details
N/A
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
155.7 x 77.6 x 8.9 mm (6.13 x 3.06 x 0.35 in)
166.4 x 76.9 x 9 mm (6.55 x 3.03 x 0.35 in)
Weight
183 g
185.4 g
Materials
N/A
N/A
Colors
Black, Gold, Rose Gold, Silver
Black, Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Micro-SIM
Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n
Bluetooth
4.1, A2DP, LE
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GALILEO
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 7.0 (Nougat)
Android 14 (Go edition)
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, proximity