Product
Xiaomi Poco C40
Xiaomi Poco C40
Google Pixel 4a
Google Pixel 4a
Battery
Charging 18W wired 18W wired, PD2.0
Type Li-Po 6000 mAh Li-Po 3140 mAh
Body
Build - Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 169.6 x 76.6 x 9.2 mm (6.68 x 3.02 x 0.36 in) 144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + eSIM
Weight 204 g (7.20 oz) 143 g (5.04 oz)
  Dust & splash resistant -
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX HD
Infrared port Yes -
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, QZSS, BDS
Radio FM radio No
USB USB Type-C 2.0 USB Type-C 3.1
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Display
Protection Corning Gorilla Glass Corning Gorilla Glass 3
Resolution 720 x 1650 pixels (~268 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density)
Size 6.71 inches, 106.5 cm2 (~82.0% screen-to-body ratio) 5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD, 400 nits OLED, HDR
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2022, June 06 2020, August 03
Status Available. Released 2022, June 17 Available. Released 2020, August 20
Main Camera
Dual 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, Pixel Shift, Auto-HDR, panorama
Single - 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps; gyro-EIS
Memory
Card slot microSDXC No
Internal 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM 128GB 6GB RAM
  - UFS 2.1
Misc
Colors Power Black, Coral Green, Poco Yellow Just Black, Barely Blue
Models 220333QPG G025J, GA02099, G025N
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset JLQ JR510 (11 nm) Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU Octa-core (4x2.0 GHz Cortex-A55 & 4x1.5 GHz Cortex-A55) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Mali-G57 MC1 Adreno 618
OS Android 11, MIUI 13 for POCO Android 10, upgradable to Android 13
Selfie camera
Features HDR HDR
Single 5 MP, f/2.2 8 MP, f/2.0, 24mm (wide), 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers
Tests
Battery (old) - Endurance rating 76h
Display - 803 nits max brightness (measured)
Performance - AnTuTu: 268714 (v8)GeekBench: 6426 (v4.4), 1626 (v5.1)GFXBench: 17fps (ES 3.1 onscreen)