Home/BLU/BLU Studio 5.5 HD vs HMD Key
BLU Studio 5.5 HD

BLU Studio 5.5 HD

#6360
HMD Key

HMD Key

#3378

Category Breakdown

BLU Studio 5.5 HD
HMD Key
Performance
35.452.4
Camera
19.139.6
Display
56.569.2
Battery
21.828.1
Build
0.20.2
Connectivity
31.047.9
Audio
8.98.9
Overall
24.141.5

Summary

  • The BLU Studio 5.5 HD 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 resolution of 576 x 1280 pixels, resulting in lower pixel density.
  • In terms of performance, the BLU is powered by a Quad-core Cortex-A7 CPU with 1GB RAM, whereas the HMD Key utilizes a more efficient Quad-core Cortex-A53 CPU with 2GB RAM.
  • The camera on the HMD Key is superior, offering an 8 MP rear camera compared to the 5 MP on the BLU.
  • Battery capacity is also significantly higher in the HMD Key at 4000 mAh versus the 2500 mAh of the BLU, and it supports faster charging at 10W.
  • Finally, the HMD Key runs on Android 14 (Go edition), providing a more updated software experience compared to the Android 5.1 (Lollipop) on the BLU Studio 5.5 HD.

Side-by-side Specification Comparison

BLU Studio 5.5 HD
HMD Key

General

Release Date

2016
2025, January 02

Announced

2016
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

N/A
Unisoc SC9832E

CPU

Quad-core 1.3 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A53

GPU

Mali-400
Mali-820MP1

Memory

8GB 1GB RAM
32GB 2GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)

Camera

Main Camera

5 MP, f/2.4, 1/4.0", AF
8 MP, (wide), AF

Main Camera Features

LED flash
LED flash, panorama

Front Camera

5 MP
5 MP

Front Camera Features

N/A
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, removable
4000 mAh

Charging Details

N/A
10W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

153.8 x 77.4 x 9.1 mm (6.06 x 3.05 x 0.36 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, White, Gold
Black, Blue

Foldable

SAR

N/A
N/A

Connectivity

SIM

Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
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, hotspot
Wi-Fi 802.11 b/g/n

Bluetooth

4.0, A2DP
4.2, A2DP, LE

NFC

USB

microUSB 2.0
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 5.1 (Lollipop)
Android 14 (Go edition)

Fingerprint

Face Unlock

Sensors

Accelerometer, proximity
Accelerometer, proximity