BLU Speed
#7698
Cubot C21
#7010Category Breakdown
BLU Speed
Cubot C21
Performance
36.332.0
Camera
39.62.5
Display
33.528.4
Battery
8.83.3
Build
0.276.1
Connectivity
19.97.5
Audio
8.90.0
Overall
17.720.9
Summary
- The BLU Speed features a larger 2.44-inch TFT display with a resolution of 360 x 480 pixels, while the Cubot C21 has a smaller 1.32-inch TFT LCD with a resolution of 360 x 360 pixels, offering a higher pixel density.
- In terms of performance, the BLU Speed has 256MB RAM compared to the Cubot C21's 128MB, but both devices have limited processing capabilities.
- The BLU Speed includes a basic 2 MP rear camera, whereas the Cubot C21 lacks a rear camera entirely, reflecting a significant difference in photographic capability.
- Battery capacity is also notable, with the BLU Speed at 930mAh and the Cubot C21 at 300mAh, indicating longer usage potential for the former.
- Build quality differs as well, with the BLU Speed being bulkier and heavier, while the Cubot C21 features a zinc alloy frame, enhancing its durability.
- Lastly, the BLU Speed runs on unspecified software, while the Cubot C21 operates on a proprietary OS, which may affect user experience and app availability.
Side-by-side Specification Comparison
BLU Speed
Cubot C21
General
Release Date
2010
2023
Announced
2010
2023
Description
Q400 - Single SIM, Q410 - Dual SIM
N/A
Display
Size
2.44"
1.32"
Type
TFT, 256K colors
TFT LCD
Resolution
360 x 480 pixels, 4:3 ratio (~246 ppi density)
360 x 360 pixels (~386 ppi density)
PPI
360
360
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
256MB 128MB RAM
128MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
No
Camera
Main Camera
2 MP
N/A
Main Camera Features
N/A
N/A
Front Camera
Yes
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
N/A
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
930 mAh
300 mAh
Battery Details
Removable Li-Ion 930 mAh battery
300 mAh
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
109 x 62 x 15 mm (4.29 x 2.44 x 0.59 in)
46.5 x 46.5 x 13 mm (1.83 x 1.83 x 0.51 in)
Weight
123 g
N/A
Materials
N/A
Zinc alloy frame
Colors
Black, Silver, Red
Black, Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM)
No
Network
GSM / UMTS
No cellular connectivity
Network Speed
Yes, 384 kbps
No
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
No
Bluetooth
2.0, A2DP
5.0, A2DP
NFC
✗
✗
USB
microUSB
No
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
No
Audio Jack
Yes
No
Software & Security
Operating System
N/A
Proprietary OS
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
Accelerometer, heart rate, SpO2, blood pressure