Screen size
mblu 21Winner: 6.8"+19%
U205.5"
Quick verdict
mblu 21 leads the measured specs 7-6.
Measured wins
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7
spec wins
Overall winner
Ties
5
equal specs
U20
6
spec wins
Screen size
Technology
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GSM / HSPA / LTE
U20
GSM / HSPA / LTE
2G bands
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GSM 850 / 900 / 1800 / 1900
U20
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
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HSDPA 850 / 900 / 1900 / 2100
U20
HSDPA 900 / 2100
4G bands
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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
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U20
LTE 1800 / 2100 / 2600
Speed
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HSPA, LTE
U20
HSPA, LTE
Announced
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2024, November 27
U20
2016, August. Released 2016, August
Status
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Available. Released 2024, November
U20
Discontinued
Dimensions
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-
U20
153 x 75.4 x 7.7 mm (6.02 x 2.97 x 0.30 in)
Weight
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-
U20
158 g (5.57 oz)
SIM
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Nano-SIM + Nano-SIM
U20
Nano-SIM + Nano-SIM
Type
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IPS LCD, 90Hz
U20
IPS LCD
Size
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6.79 inches, 109.5 cm2
U20
5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Resolution
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720 x 1640 pixels (~264 ppi density)
U20
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
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-
U20
Asahi Dragontrail Glass
OS
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Android 14
U20
Android 6.0 (Marshmallow), Flyme UI
Chipset
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Unisoc T606 (12 nm)
U20
Mediatek MT6755 Helio P10 (28 nm)
CPU
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Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
U20
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
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Mali-G57 MP1
U20
Mali-T860MP2
Card slot
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Unspecified
U20
microSDXC (uses shared SIM slot)
Internal
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64GB 4GB RAM
U20
16GB 2GB RAM, 32GB 3GB RAM
Other
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-
U20
eMMC 5.1
Single
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13 MP, AF auxiliary lens
U20
13 MP, f/2.2, PDAF
Features
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LED flash, panorama, HDR
U20
Dual-LED dual-tone flash, HDR, panorama
Video
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Yes
U20
1080p@30fps
Single
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8 MP
U20
5 MP, f/2.0
Video
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Yes
U20
Loudspeaker
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Yes
U20
Yes
3.5mm jack
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Unspecified
U20
Yes
WLAN
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Wi-Fi 802.11 a/b/g/n/ac, dual-band
U20
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
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5.0, A2DP
U20
4.0, A2DP, LE
Positioning
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GPS
U20
GPS, GLONASS
NFC
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No
U20
No
Radio
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No
U20
No
USB
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USB Type-C
U20
microUSB 2.0, OTG
Sensors
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Fingerprint (side-mounted); unspecified sensors
U20
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Type
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4900 mAh
U20
Li-Ion 3260 mAh, non-removable
Colors
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Black, Blue, White
U20
Black, Silver, Rose Gold, Gold
Models
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M2416
U20
MZ-U20, U20
Price
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-
U20
About 190 EUR