Screen size
A40Winner: 6.9"+7%
C306.4"
Quick verdict
C30 leads the measured specs 9-5.
Measured wins
A40
5
spec wins
Ties
4
equal specs
C30
9
spec wins
Overall winner
Screen size
Technology
A40
GSM / HSPA / LTE
C30
GSM / HSPA / LTE
2G bands
A40
GSM 850 / 900 / 1800 / 1900
C30
GSM 850 / 900 / 1800 / 1900
3G bands
A40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
C30
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A40
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 39, 40, 41, 66
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
SD card
equal specsStereo speakers
C30
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66
Speed
A40
HSPA, LTE
C30
HSPA, LTE
Announced
A40
2025, July
C30
2020. Released 2020
Status
A40
Available. Released 2025, July
C30
Discontinued
Dimensions
A40
172.3 x 78.1 x 8.8 mm (6.78 x 3.07 x 0.35 in)
C30
157.1 x 76.4 x 8.5 mm (6.19 x 3.01 x 0.33 in)
Weight
A40
-
C30
190 g (6.70 oz)
SIM
A40
Nano-SIM + Nano-SIM
C30
Nano-SIM + Nano-SIM
Type
A40
IPS LCD, 120Hz
C30
IPS LCD
Size
A40
6.88 inches, 112.4 cm2 (~83.5% screen-to-body ratio)
C30
6.4 inches, 101.4 cm2 (~84.5% screen-to-body ratio)
Resolution
A40
720 x 1640 pixels (~260 ppi density)
C30
1080 x 2310 pixels (~398 ppi density)
Protection
A40
Mohs level 6
C30
-
OS
A40
Android 15
C30
Android 10
Chipset
A40
Unisoc T606 (12 nm)
C30
Mediatek MT6771 Helio P60 (12 nm)
CPU
A40
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
C30
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
A40
Mali-G57 MP1
C30
Mali-G72 MP3
Card slot
A40
microSDXC
C30
microSDXC (uses shared SIM slot)
Internal
A40
64GB 4GB RAM, 256GB 8GB RAM
C30
128GB 8GB RAM, 256GB 8GB RAM
Dual
A40
48 MP, (wide), PDAF 2 MP, (ultrawide)
C30
-
Features
A40
LED flash
C30
LED flash
Video
A40
Yes
C30
Yes
Quad
A40
-
C30
48 MP, (wide), 1/2.0", AF 16 MP, (ultrawide) 5 MP (macro) Auxiliary lens
Single
A40
16 MP
C30
32 MP
Video
A40
Yes
C30
Yes
Loudspeaker
A40
Yes, with stereo speakers
C30
Yes
3.5mm jack
A40
No
C30
Unspecified
WLAN
A40
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C30
Wi-Fi 802.11 a/b/g/n
Bluetooth
A40
5.0, A2DP, LE
C30
4.2, A2DP
Positioning
A40
GPS, GALILEO, GLONASS, BDS
C30
GPS
NFC
A40
Yes
C30
Yes
Radio
A40
Unspecified
C30
Unspecified
USB
A40
USB Type-C, OTG
C30
USB Type-C, OTG
Sensors
A40
Accelerometer, proximity
C30
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
A40
5100 mAh
C30
4200 mAh
Colors
A40
Black, Purple, Titan Grey
C30
Black, Green