Screen size
A40Winner: 6.9"+14%
X195.9"
Quick verdict
A40 leads the measured specs 9-5.
Measured wins
A40
9
spec wins
Overall winner
Ties
4
equal specs
X19
5
spec wins
Screen size
Technology
A40
GSM / HSPA / LTE
X19
GSM / HSPA / LTE
2G bands
A40
GSM 850 / 900 / 1800 / 1900
X19
GSM 850 / 900 / 1800 / 1900
3G bands
A40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X19
HSDPA 900 / 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
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
X19
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28
Speed
A40
HSPA, LTE
X19
HSPA, LTE
Announced
A40
2025, July
X19
2020. Released 2020
Status
A40
Available. Released 2025, July
X19
Discontinued
Dimensions
A40
172.3 x 78.1 x 8.8 mm (6.78 x 3.07 x 0.35 in)
X19
155 x 74.7 x 9.6 mm (6.10 x 2.94 x 0.38 in)
Weight
A40
-
X19
192 g (6.77 oz)
SIM
A40
Nano-SIM + Nano-SIM
X19
Nano-SIM + Nano-SIM
Type
A40
IPS LCD, 120Hz
X19
IPS LCD
Size
A40
6.88 inches, 112.4 cm2 (~83.5% screen-to-body ratio)
X19
5.93 inches, 90.7 cm2 (~78.4% screen-to-body ratio)
Resolution
A40
720 x 1640 pixels (~260 ppi density)
X19
1080 x 2160 pixels, 18:9 ratio (~407 ppi density)
Protection
A40
Mohs level 6
X19
-
OS
A40
Android 15
X19
Android 9.0 (Pie)
Chipset
A40
Unisoc T606 (12 nm)
X19
Mediatek MT6763T Helio P23 (16 nm)
CPU
A40
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
X19
Octa-core 2.5 GHz Cortex-A53
GPU
A40
Mali-G57 MP1
X19
Mali-G71 MP2
Card slot
A40
microSDXC
X19
microSDXC (uses shared SIM slot)
Internal
A40
64GB 4GB RAM, 256GB 8GB RAM
X19
64GB 4GB RAM
Dual
A40
48 MP, (wide), PDAF 2 MP, (ultrawide)
X19
16 MP, f/2.0, (wide), PDAF 2 MP
Features
A40
LED flash
X19
LED flash
Video
A40
Yes
X19
Yes
Single
A40
16 MP
X19
8 MP
Video
A40
Yes
X19
Yes
Loudspeaker
A40
Yes, with stereo speakers
X19
Yes
3.5mm jack
A40
No
X19
Unspecified
WLAN
A40
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X19
Wi-Fi 802.11 a/b/g/n
Bluetooth
A40
5.0, A2DP, LE
X19
4.2, A2DP
Positioning
A40
GPS, GALILEO, GLONASS, BDS
X19
GPS
NFC
A40
Yes
X19
No
Radio
A40
Unspecified
X19
Unspecified
USB
A40
USB Type-C, OTG
X19
microUSB, OTG
Sensors
A40
Accelerometer, proximity
X19
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
A40
5100 mAh
X19
4000 mAh
Colors
A40
Black, Purple, Titan Grey
X19
Gradient, Black