Screen size
Blue 20Winner: 6.5"+16%
M1 Metal5.5"
Quick verdict
Blue 20 leads the measured specs 13-3.
Measured wins
Blue 20
13
spec wins
Overall winner
Ties
3
equal specs
M1 Metal
3
spec wins
Screen size
Technology
Blue 20
GSM / HSPA / LTE / 5G
M1 Metal
GSM / HSPA / LTE
2G bands
Blue 20
GSM 850 / 900 / 1800 / 1900
M1 Metal
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Blue 20
HSDPA 850 / 900 / 1900 / 2100
M1 Metal
HSDPA 900 / 1900 / 2100 , TD-SCDMA
4G bands
Blue 20
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
M1 Metal
1, 3, 38, 39, 40, 41
5G bands
Blue 20
SA/NSA
M1 Metal
-
Speed
Blue 20
HSPA, LTE, 5G
M1 Metal
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Blue 20
2024, July 17
M1 Metal
2015, October. Released 2015, October
Status
Blue 20
Available. Released 2024, July
M1 Metal
Discontinued
Dimensions
Blue 20
8.3 mm thickness
M1 Metal
150.7 x 75.3 x 8.2 mm (5.93 x 2.96 x 0.32 in)
Weight
Blue 20
-
M1 Metal
162g (5.71 oz)
SIM
Blue 20
Nano-SIM + Nano-SIM
M1 Metal
Nano-SIM + Nano-SIM
Type
Blue 20
IPS LCD, 90Hz
M1 Metal
IPS LCD
Size
Blue 20
6.52 inches, 102.6 cm2
M1 Metal
5.5 inches, 82.6 cm2 (~72.8% screen-to-body ratio)
Resolution
Blue 20
1080 x 2400 pixels, 20:9 ratio (~404 ppi density)
M1 Metal
1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Protection
Blue 20
-
M1 Metal
Dinorex T2X-1 scratch/shock resistant glass
OS
Blue 20
Flyme AIOS
M1 Metal
Android, 5.1.1 (Lollipop), Flyme 5.1
Chipset
Blue 20
Unisoc T765 (6 nm)
M1 Metal
Mediatek MT6795 Helio X10 (28 nm)
CPU
Blue 20
Octa-core (2x2.3 GHz Cortex-A76 & 6x2.1 GHz Cortex-A55)
M1 Metal
Octa-core 2.0 GHz Cortex-A53
GPU
Blue 20
Mali-G57 MC2
M1 Metal
PowerVR G6200
Card slot
Blue 20
microSDXC
M1 Metal
microSDXC (uses shared SIM slot)
Internal
Blue 20
128GB 6GB RAM, 256GB 8GB RAM
M1 Metal
16GB 2GB RAM, 32GB 2GB RAM
Other
Blue 20
-
M1 Metal
eMMC 5.0
Dual
Blue 20
13 MP, AF (interpolated to 50 MP) Secondary unspecified camera
M1 Metal
-
Features
Blue 20
LED flash, panorama, HDR
M1 Metal
Dual-LED dual-tone flash, HDR, panorama
Video
Blue 20
4K@30fps, 1080p@30fps
M1 Metal
1080p@30fps
Single
Blue 20
-
M1 Metal
13 MP, f/2.2, AF
Single
Blue 20
5 MP (interpolated to 8 MP)
M1 Metal
5 MP, f/2.0
Video
Blue 20
1080p@30fps
M1 Metal
1080p@30fps
Loudspeaker
Blue 20
Yes, with stereo speakers
M1 Metal
Yes
3.5mm jack
Blue 20
Yes
M1 Metal
Yes
WLAN
Blue 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
M1 Metal
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
Blue 20
5.0, A2DP
M1 Metal
4.1, A2DP, LE
Positioning
Blue 20
GPS, GALILEO, GLONASS, BDS
M1 Metal
GPS, GLONASS, BDS
NFC
Blue 20
Unspecified
M1 Metal
No
Radio
Blue 20
No
M1 Metal
No
USB
Blue 20
USB Type-C
M1 Metal
microUSB 2.0, OTG
Sensors
Blue 20
Fingerprint (side-mounted); unspecified sensors
M1 Metal
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Type
Blue 20
5010 mAh
M1 Metal
Li-Ion 3140 mAh, non-removable
Colors
Blue 20
Black, White, Purple
M1 Metal
White, Gold, Gray, Blue, Pink
Price
Blue 20
-
M1 Metal
About 170 EUR