Screen size
Blue 206.5"
mblu 21Winner: 6.8"+4%
Quick verdict
Blue 20 leads the measured specs 10-1.
Measured wins
Blue 20
10
spec wins
Overall winner
Ties
6
equal specs
mblu 21
1
spec wins
Screen size
Technology
Blue 20
GSM / HSPA / LTE / 5G
mblu 21
GSM / HSPA / LTE
2G bands
Blue 20
GSM 850 / 900 / 1800 / 1900
mblu 21
GSM 850 / 900 / 1800 / 1900
3G bands
Blue 20
HSDPA 850 / 900 / 1900 / 2100
mblu 21
HSDPA 850 / 900 / 1900 / 2100
4G bands
Blue 20
LTE
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
mblu 21
LTE
5G bands
Blue 20
SA/NSA
mblu 21
-
Speed
Blue 20
HSPA, LTE, 5G
mblu 21
HSPA, LTE
Announced
Blue 20
2024, July 17
mblu 21
2024, November 27
Status
Blue 20
Available. Released 2024, July
mblu 21
Available. Released 2024, November
Dimensions
Blue 20
8.3 mm thickness
mblu 21
-
Weight
Blue 20
-
mblu 21
-
SIM
Blue 20
Nano-SIM + Nano-SIM
mblu 21
Nano-SIM + Nano-SIM
Type
Blue 20
IPS LCD, 90Hz
mblu 21
IPS LCD, 90Hz
Size
Blue 20
6.52 inches, 102.6 cm2
mblu 21
6.79 inches, 109.5 cm2
Resolution
Blue 20
1080 x 2400 pixels, 20:9 ratio (~404 ppi density)
mblu 21
720 x 1640 pixels (~264 ppi density)
OS
Blue 20
Flyme AIOS
mblu 21
Android 14
Chipset
Blue 20
Unisoc T765 (6 nm)
mblu 21
Unisoc T606 (12 nm)
CPU
Blue 20
Octa-core (2x2.3 GHz Cortex-A76 & 6x2.1 GHz Cortex-A55)
mblu 21
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Blue 20
Mali-G57 MC2
mblu 21
Mali-G57 MP1
Card slot
Blue 20
microSDXC
mblu 21
Unspecified
Internal
Blue 20
128GB 6GB RAM, 256GB 8GB RAM
mblu 21
64GB 4GB RAM
Dual
Blue 20
13 MP, AF (interpolated to 50 MP) Secondary unspecified camera
mblu 21
-
Features
Blue 20
LED flash, panorama, HDR
mblu 21
LED flash, panorama, HDR
Video
Blue 20
4K@30fps, 1080p@30fps
mblu 21
Yes
Single
Blue 20
-
mblu 21
13 MP, AF auxiliary lens
Single
Blue 20
5 MP (interpolated to 8 MP)
mblu 21
8 MP
Video
Blue 20
1080p@30fps
mblu 21
Yes
Loudspeaker
Blue 20
Yes, with stereo speakers
mblu 21
Yes
3.5mm jack
Blue 20
Yes
mblu 21
Unspecified
WLAN
Blue 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
mblu 21
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Blue 20
5.0, A2DP
mblu 21
5.0, A2DP
Positioning
Blue 20
GPS, GALILEO, GLONASS, BDS
mblu 21
GPS
NFC
Blue 20
Unspecified
mblu 21
No
Radio
Blue 20
No
mblu 21
No
USB
Blue 20
USB Type-C
mblu 21
USB Type-C
Sensors
Blue 20
Fingerprint (side-mounted); unspecified sensors
mblu 21
Fingerprint (side-mounted); unspecified sensors
Type
Blue 20
5010 mAh
mblu 21
4900 mAh
Colors
Blue 20
Black, White, Purple
mblu 21
Black, Blue, White
Models
Blue 20
-
mblu 21
M2416