Screen size
Blue 20Winner: 6.5"+16%
M3x5.5"
Quick verdict
Blue 20 leads the measured specs 13-3.
Measured wins
Blue 20
13
spec wins
Overall winner
Ties
3
equal specs
M3x
3
spec wins
Screen size
Technology
Blue 20
GSM / HSPA / LTE / 5G
M3x
GSM / HSPA / LTE
2G bands
Blue 20
GSM 850 / 900 / 1800 / 1900
M3x
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Blue 20
HSDPA 850 / 900 / 1900 / 2100
M3x
HSDPA
4G bands
Blue 20
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
M3x
LTE
5G bands
Blue 20
SA/NSA
M3x
-
Speed
Blue 20
HSPA, LTE, 5G
M3x
HSPA, LTE
GPRS
Blue 20
-
M3x
Yes
EDGE
Blue 20
-
M3x
Yes
Announced
Blue 20
2024, July 17
M3x
2016, November. Released 2016, December
Status
Blue 20
Available. Released 2024, July
M3x
Discontinued
Dimensions
Blue 20
8.3 mm thickness
M3x
153.8 x 76 x 7.4 mm (6.06 x 2.99 x 0.29 in)
Weight
Blue 20
-
M3x
165 g (5.82 oz)
SIM
Blue 20
Nano-SIM + Nano-SIM
M3x
Nano-SIM + Nano-SIM
Type
Blue 20
IPS LCD, 90Hz
M3x
IPS LCD
Size
Blue 20
6.52 inches, 102.6 cm2
M3x
5.5 inches, 83.4 cm2 (~71.3% screen-to-body ratio)
Resolution
Blue 20
1080 x 2400 pixels, 20:9 ratio (~404 ppi density)
M3x
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
OS
Blue 20
Flyme AIOS
M3x
Android 6 (Marshmallow), Flyme 6
Chipset
Blue 20
Unisoc T765 (6 nm)
M3x
Mediatek MT6757 Helio P20 (16 nm)
CPU
Blue 20
Octa-core (2x2.3 GHz Cortex-A76 & 6x2.1 GHz Cortex-A55)
M3x
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU
Blue 20
Mali-G57 MC2
M3x
Mali-T880MP2
Card slot
Blue 20
microSDXC
M3x
microSDXC (uses shared SIM slot)
Internal
Blue 20
128GB 6GB RAM, 256GB 8GB RAM
M3x
32GB 3GB RAM, 64GB 4GB RAM
Dual
Blue 20
13 MP, AF (interpolated to 50 MP) Secondary unspecified camera
M3x
-
Features
Blue 20
LED flash, panorama, HDR
M3x
Dual-LED dual-tone flash, HDR, panorama
Video
Blue 20
4K@30fps, 1080p@30fps
M3x
1080p@30fps
Single
Blue 20
-
M3x
12 MP, f/2.0, 1/2.9", 1.25µm, PDAF
Single
Blue 20
5 MP (interpolated to 8 MP)
M3x
5 MP, f/2.0, 1/4.0", 1.4µm
Video
Blue 20
1080p@30fps
M3x
1080p@30fps
Loudspeaker
Blue 20
Yes, with stereo speakers
M3x
Yes
3.5mm jack
Blue 20
Yes
M3x
Yes
WLAN
Blue 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
M3x
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
Blue 20
5.0, A2DP
M3x
4.1, A2DP, LE
Positioning
Blue 20
GPS, GALILEO, GLONASS, BDS
M3x
GPS, GLONASS
NFC
Blue 20
Unspecified
M3x
No
Radio
Blue 20
No
M3x
No
USB
Blue 20
USB Type-C
M3x
USB Type-C
Sensors
Blue 20
Fingerprint (side-mounted); unspecified sensors
M3x
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Type
Blue 20
5010 mAh
M3x
Li-Ion 3200 mAh, non-removable
Charging
Blue 20
-
M3x
24W wired
Colors
Blue 20
Black, White, Purple
M3x
Blue, Gold, Black, Silver