BLU Studio J8
#5530
HMD Key
#3378Category Breakdown
BLU Studio J8
HMD Key
Performance
41.752.4
Camera
27.939.6
Display
56.569.2
Battery
21.828.1
Build
0.20.2
Connectivity
36.547.9
Audio
8.98.9
Overall
27.441.5
Summary
- The BLU Studio J8 features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the HMD Key has a larger 6.52-inch IPS LCD with a lower resolution of 576 x 1280 pixels, resulting in a lower pixel density.
- In terms of performance, the BLU is powered by a Mediatek MT6580 chipset with 1GB of RAM, whereas the HMD Key uses a more modern Unisoc SC9832E chipset with 2GB of RAM, offering better multitasking capabilities.
- Both phones have an 8 MP rear camera, but the HMD Key includes autofocus, enhancing its photography potential.
- The BLU Studio J8 has a smaller 2500 mAh battery compared to the HMD Key's 4000 mAh, which should provide longer usage time.
- Software-wise, the BLU runs on Android 7.0 Nougat, while the HMD Key operates on the more recent Android 14 (Go edition), offering a more updated user experience.
Side-by-side Specification Comparison
BLU Studio J8
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 MT6580 (28 nm)
Unisoc SC9832E
CPU
Quad-core 1.3 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A53
GPU
Mali-400MP2
Mali-820MP1
Memory
8GB 1GB 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
GSM / HSPA / LTE
Network Speed
HSPA 21.1/5.76 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