Screen size
Blue 20Winner: 6.5"+16%
U205.5"
Quick verdict
Blue 20 leads the measured specs 13-3.
Measured wins
Blue 20
13
spec wins
Overall winner
Ties
3
equal specs
U20
3
spec wins
Screen size
Technology
Blue 20
GSM / HSPA / LTE / 5G
U20
GSM / HSPA / LTE
2G bands
Blue 20
GSM 850 / 900 / 1800 / 1900
U20
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Blue 20
HSDPA 850 / 900 / 1900 / 2100
U20
HSDPA 900 / 2100
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
U20
LTE 1800 / 2100 / 2600
5G bands
Blue 20
SA/NSA
U20
-
Speed
Blue 20
HSPA, LTE, 5G
U20
HSPA, LTE
Announced
Blue 20
2024, July 17
U20
2016, August. Released 2016, August
Status
Blue 20
Available. Released 2024, July
U20
Discontinued
Dimensions
Blue 20
8.3 mm thickness
U20
153 x 75.4 x 7.7 mm (6.02 x 2.97 x 0.30 in)
Weight
Blue 20
-
U20
158 g (5.57 oz)
SIM
Blue 20
Nano-SIM + Nano-SIM
U20
Nano-SIM + Nano-SIM
Type
Blue 20
IPS LCD, 90Hz
U20
IPS LCD
Size
Blue 20
6.52 inches, 102.6 cm2
U20
5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Resolution
Blue 20
1080 x 2400 pixels, 20:9 ratio (~404 ppi density)
U20
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
Blue 20
-
U20
Asahi Dragontrail Glass
OS
Blue 20
Flyme AIOS
U20
Android 6.0 (Marshmallow), Flyme UI
Chipset
Blue 20
Unisoc T765 (6 nm)
U20
Mediatek MT6755 Helio P10 (28 nm)
CPU
Blue 20
Octa-core (2x2.3 GHz Cortex-A76 & 6x2.1 GHz Cortex-A55)
U20
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Blue 20
Mali-G57 MC2
U20
Mali-T860MP2
Card slot
Blue 20
microSDXC
U20
microSDXC (uses shared SIM slot)
Internal
Blue 20
128GB 6GB RAM, 256GB 8GB RAM
U20
16GB 2GB RAM, 32GB 3GB RAM
Other
Blue 20
-
U20
eMMC 5.1
Dual
Blue 20
13 MP, AF (interpolated to 50 MP) Secondary unspecified camera
U20
-
Features
Blue 20
LED flash, panorama, HDR
U20
Dual-LED dual-tone flash, HDR, panorama
Video
Blue 20
4K@30fps, 1080p@30fps
U20
1080p@30fps
Single
Blue 20
-
U20
13 MP, f/2.2, PDAF
Single
Blue 20
5 MP (interpolated to 8 MP)
U20
5 MP, f/2.0
Video
Blue 20
1080p@30fps
U20
Loudspeaker
Blue 20
Yes, with stereo speakers
U20
Yes
3.5mm jack
Blue 20
Yes
U20
Yes
WLAN
Blue 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
U20
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
Blue 20
5.0, A2DP
U20
4.0, A2DP, LE
Positioning
Blue 20
GPS, GALILEO, GLONASS, BDS
U20
GPS, GLONASS
NFC
Blue 20
Unspecified
U20
No
Radio
Blue 20
No
U20
No
USB
Blue 20
USB Type-C
U20
microUSB 2.0, OTG
Sensors
Blue 20
Fingerprint (side-mounted); unspecified sensors
U20
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Type
Blue 20
5010 mAh
U20
Li-Ion 3260 mAh, non-removable
Colors
Blue 20
Black, White, Purple
U20
Black, Silver, Rose Gold, Gold
Models
Blue 20
-
U20
MZ-U20, U20
Price
Blue 20
-
U20
About 190 EUR