Xiaomi Poco X4 NFC vs Tecno Spark 40 Pro
Product
Price
149 USD
149 USD
Status
Discontinued
Available
Brand
Xiaomi Mobiles
Tecno Mobiles
Model No
Xiaomi Poco X4 NFC
KM6
Launch Date
2021, December 30
2025, September 16
Technology
GSM / HSPA / EVDO / LTE / 5G
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
LTE
1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66
5G bands
SA/NSA
Speed
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
HSPA, LTE
Dimensions
163.7 x 76.2 x 8.3 mm (6.44 x 3.00 x 0.33 in)
163.7 x 75.9 x 6.7 mm (6.44 x 2.99 x 0.26 in)
Weight
207 g (7.30 oz)
Build
Glass front (Gorilla Glass 5), glass back
Glass front (Gorilla Glass 7i), plastic back, plastic frame
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Mysterious Black, Forest Green, Timeless Purple, Milky Way Blue
Ink Black, Moon Titanium, Lake Blue, Bamboo Green
Type
Super AMOLED, 120Hz, HDR10, 700 nits, 1200 nits (peak)
AMOLED, 1B colors, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Size
6.67 inches, 107.4 cm2 (~86.1% screen-to-body ratio)
6.78 inches, 111.0 cm2 (~89.3% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
OS
Android 11, MIUI 12.5
Android 15, HIOS 15.1
Chipset
MediaTek Dimensity 920 5G (6 nm)
Mediatek Helio G100 Ultimate (6 nm)
CPU
Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G68 MC4
Mali-G57 MC2
RAM
6GB/8GB
8GB
Storage
128GB/256GB
128GB/56GB
Card Slot
No
microSDXC
Lens 1
108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, dual pixel PDAF
50 MP, f/1.6, (wide), 1/2.8", 0.64µm, PDAF
Auxiliary lens
Lens 2
8 MP, 120˚ (ultrawide)
Lens 3
2 MP, f/2.4, 50mm (telephoto macro)
Features
LED flash, HDR, panorama
Dual-LED flash, HDR
Video
4K@30fps, 1080p@30/60/120fps, 720p@960fps
1440p@30fps, 1080p@30fps
Lens 1
16 MP
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video
1080p@30/60fps
1080p@30fps
Features
Dual-LED flash
Capacity
Li-Po 5160 mAh, non-removable
5200 mAh
Charging
Fast charging 67W, 100% in 43 min (advertised)
Power Delivery 3.0
Quick Charge 3+
45W wired
10W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass
Circle to Search
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
Yes
Yes
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.2, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
Yes
NFC
Yes
Yes (market/region dependent)
Radio
Yes
FM radio
USB
USB Type-C 2.0, USB On-The-Go
USB Type-C 2.0, OTG

