Screen size
U20 5GWinner: 6.8"+1.5%
U236.7"
Quick verdict
U23 leads the measured specs 11-3.
Measured wins
U20 5G
3
spec wins
Ties
6
equal specs
U23
11
spec wins
Overall winner
Screen size
Technology
U20 5G
GSM / HSPA / LTE / 5G
U23
GSM / HSPA / LTE / 5G
2G bands
U20 5G
GSM 850 / 900 / 1800 / 1900
U23
GSM 850 / 900 / 1800 / 1900
3G bands
U20 5G
HSDPA 850 / 900 / 1900 / 2100
U23
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
U20 5G
1, 2, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
U23
1, 3, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41
5G bands
U20 5G
1, 3, 28, 41, 78 SA/NSA
U23
1, 3, 7, 20, 28, 41, 78 SA/NSA
Speed
U20 5G
HSPA, LTE, 5G 2.56/0.9 Gbps
U23
HSPA, LTE, 5G
Announced
U20 5G
2020, June 16. Released 2020, October 01
U23
2023, July 17
Status
U20 5G
Discontinued
U23
Available. Released 2023, July 26
Dimensions
U20 5G
171.2 x 78.1 x 9.4 mm (6.74 x 3.07 x 0.37 in)
U23
166.6 x 77.1 x 8.9 mm (6.56 x 3.04 x 0.35 in)
Weight
U20 5G
215.5 g (7.62 oz)
U23
202 g (7.13 oz)
SIM
U20 5G
Nano-SIM + Nano-SIM
U23
Nano-SIM + Nano-SIM
Other
U20 5G
-
U23
IP67 dust/water resistant (up to 1m for 30 min)
Type
U20 5G
IPS LCD
U23
OLED, 120Hz
Size
U20 5G
6.8 inches, 111.6 cm2 (~83.5% screen-to-body ratio)
U23
6.7 inches, 108.4 cm2 (~84.4% screen-to-body ratio)
Resolution
U20 5G
1080 x 2400 pixels, 20:9 ratio (~387 ppi density)
U23
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Protection
U20 5G
-
U23
Corning Gorilla Glass Victus
OS
U20 5G
Android 10
U23
Android 13
Chipset
U20 5G
Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
U23
Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU
U20 5G
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
U23
Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU
U20 5G
Adreno 620
U23
Adreno 644
Card slot
U20 5G
microSDXC
U23
microSDXC
Internal
U20 5G
256GB 6GB RAM, 256GB 8GB RAM
U23
128GB 8GB RAM
Quad
U20 5G
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
U23
64 MP, f/1.9, (wide), PDAF 8 MP, f/2.4, 120˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Features
U20 5G
Dual-LED flash, HDR, panorama
U23
Dual-LED flash, HDR, panorama
Video
U20 5G
4K@30fps, 1080p@30fps, gyro-EIS
U23
4K@30fps, 1080p@30fps, gyro-EIS
Single
U20 5G
32 MP, f/2.0, (wide), 1/2.8", 0.8µm
U23
32 MP, f/2.5, (wide), 1/2.8", 0.8µm
Features
U20 5G
HDR
U23
HDR
Video
U20 5G
1080p@30fps
U23
1080p@30fps
Loudspeaker
U20 5G
Yes
U23
Yes
3.5mm jack
U20 5G
No
U23
Yes
WLAN
U20 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
U23
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
U20 5G
5.0, A2DP, LE
U23
5.2, A2DP, LE
Positioning
U20 5G
GPS, GLONASS, GALILEO, BDS
U23
GPS, GLONASS, GALILEO, BDS
NFC
U20 5G
Yes
U23
Yes
Radio
U20 5G
No
U23
No
USB
U20 5G
USB Type-C 2.0
U23
USB Type-C 3.0
Sensors
U20 5G
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, SAR
U23
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
U20 5G
Li-Po 5000 mAh
U23
Li-Ion 4600 mAh
Charging
U20 5G
18W wired, QC4
U23
30W wired 15W wireless 5W reverse wireless Reverse wired
Colors
U20 5G
Green, White
U23
Aqua Blue, Roland Violet