Home/BLU/BLU C7 vs HMD Key
BLU C7

BLU C7

#5063
HMD Key

HMD Key

#3378

Category Breakdown

BLU C7
HMD Key
Performance
43.752.4
Camera
19.139.6
Display
56.569.2
Battery
28.128.1
Build
0.20.2
Connectivity
32.647.9
Audio
8.98.9
Overall
29.541.5

Summary

  • The BLU C7 features a 6.5-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the HMD Key has a slightly smaller 6.52-inch IPS LCD with a lower resolution of 576 x 1280 pixels.
  • In terms of performance, both phones are equipped with a quad-core processor, but the HMD Key's Cortex-A53 is more advanced than the C7's Cortex-A7, and it also offers 2GB of RAM compared to the C7's 1GB.
  • Both devices have an 8 MP rear camera, but the HMD Key includes autofocus, enhancing its photography capabilities, while the C7 has an 8 MP selfie camera, compared to the HMD Key's 5 MP.
  • Both phones are powered by a 4000 mAh battery, but the HMD Key supports 10W charging, whereas the C7 does not support any fast charging.
  • The BLU C7 runs on Android 10 (Go edition), while the HMD Key operates on the more recent Android 14 (Go edition), providing a more updated software experience.

Side-by-side Specification Comparison

BLU C7
HMD Key

General

Release Date

2021, May 22
2025, January 02

Announced

2021, May 22
2025, January 02

Description

N/A
N/A

Display

Size

6.5"
6.52"

Type

IPS LCD
IPS LCD, 460 nits (peak)

Resolution

720 x 1600 pixels, 20:9 ratio (~270 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

N/A
Mali-820MP1

Memory

32GB 1GB RAM
32GB 2GB RAM

Expandable Storage

Card Slot

microSDXC
microSDXC (uses shared SIM slot)

Camera

Main Camera

8 MP0.3 MP, (depth)
8 MP, (wide), AF

Main Camera Features

LED flash
LED flash, panorama

Front Camera

8 MP
5 MP

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
Yes

Selfie Video

720p@30fps
Yes

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

4000 mAh
4000 mAh

Battery Details

Li-Po 4000 mAh
4000 mAh

Charging Details

N/A
10W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

165 x 76.5 x 8.9 mm (6.50 x 3.01 x 0.35 in)
166.4 x 76.9 x 9 mm (6.55 x 3.03 x 0.35 in)

Weight

186 g
185.4 g

Materials

N/A
N/A

Colors

Black, Blue, Green, Red
Black, Blue

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-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

4.0, 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 10 (Go edition)
Android 14 (Go edition)

Fingerprint

Face Unlock

Sensors

Fingerprint (rear-mounted), accelerometer
Accelerometer, proximity