Screen size
A6xWinner: 6.8"+13%
U35.9"
Quick verdict
A6x leads the measured specs 11-5.
Measured wins
A6x
11
spec wins
Overall winner
Ties
5
equal specs
U3
5
spec wins
Screen size
Technology
A6x
GSM / HSPA / LTE / 5G
U3
GSM / LTE
2G bands
A6x
GSM 850 / 900 / 1800 / 1900
U3
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A6x
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
U3
TD-SCDMA
4G bands
A6x
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 42, 48, 66, 71
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U3
38, 39, 40, 41
5G bands
A6x
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
U3
-
Speed
A6x
HSPA, LTE, 5G
U3
HSPA, LTE
GPRS
A6x
-
U3
Yes
EDGE
A6x
-
U3
Yes
Announced
A6x
2026, January 13
U3
2015, January. Released 2015, April
Status
A6x
Available. Released 2026, January 13
U3
Discontinued
Dimensions
A6x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
U3
156.8 x 81 x 8 mm (6.17 x 3.19 x 0.31 in)
Weight
A6x
212 g (7.48 oz)
U3
195 g (6.88 oz)
Build
A6x
Glass front, plastic frame, plastic back
U3
-
SIM
A6x
Nano-SIM + Nano-SIM
U3
Nano-SIM + Micro-SIM
Other
A6x
IP64 dust tight and water resistant (water splashes)
U3
-
Type
A6x
IPS LCD, 120Hz, 1125 nits (peak)
U3
IPS LCD
Size
A6x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
U3
5.9 inches, 93.9 cm2 (~74.0% screen-to-body ratio)
Resolution
A6x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
U3
1080 x 1920 pixels, 16:9 ratio (~377 ppi density)
OS
A6x
Android 15, ColorOS 15
U3
Android 4.4.4 (KitKat), ColorOS 2
Chipset
A6x
Mediatek Dimensity 6300 (6 nm)
U3
Mediatek MT6752 (28 nm)
CPU
A6x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
U3
Octa-core 1.7 GHz Cortex-A53
GPU
A6x
Mali-G57 MC2
U3
Mali-T760MP2
Card slot
A6x
microSDXC
U3
microSDHC (dedicated slot)
Internal
A6x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
U3
16GB 2GB RAM
Other
A6x
UFS 2.2
U3
-
Dual
A6x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
U3
-
Features
A6x
LED flash, HDR, panorama
U3
LED flash, HDR, panorama
Video
A6x
1080p@30/60fps
U3
1080p@30fps
Single
A6x
-
U3
13 MP, AF
Single
A6x
5 MP, f/2.2, (wide)
U3
5 MP
Features
A6x
Panorama
U3
LED flash
Video
A6x
1080p@30fps
U3
1080p@30fps
Loudspeaker
A6x
Yes
U3
Yes
3.5mm jack
A6x
Yes
U3
Yes
WLAN
A6x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
U3
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
A6x
5.4, A2DP, LE, aptX HD
U3
4.0, A2DP
Positioning
A6x
GPS, GALILEO, GLONASS, QZSS
U3
GPS
NFC
A6x
Yes (market/region dependent)
U3
Yes
Radio
A6x
Unspecified
U3
No
USB
A6x
USB Type-C 2.0, OTG
U3
microUSB 2.0
Sensors
A6x
Fingerprint (side-mounted), accelerometer, proximity, compass
U3
Accelerometer, proximity, compass
Type
A6x
6500 mAh
U3
Li-Ion 3000 mAh, non-removable
Charging
A6x
Wired 5W reverse wired
U3
20W wired, 75% in 30 min
Stand-by
A6x
-
U3
Up to 400 h (3G)
Talk time
A6x
-
U3
Up to 10 h (3G)
Colors
A6x
Plum Purple, Violet Purple
U3
White, Black
Models
A6x
CPH2783
U3
-