Screen size
Poco X8 PowerWinner: 6.8"+2.3%
Redmi K40 Gaming6.7"
Quick verdict
Poco X8 Power leads the measured specs 10-5.
Measured wins
Poco X8 Power
10
spec wins
Overall winner
Ties
7
equal specs
Redmi K40 Gaming
5
spec wins
Screen size
Technology
Poco X8 Power
GSM / HSPA / LTE / 5G
Redmi K40 Gaming
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
Poco X8 Power
GSM 850 / 900 / 1800 / 1900
Redmi K40 Gaming
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
Poco X8 Power
HSDPA 850 / 1900 / 2100
Redmi K40 Gaming
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1x
4G bands
Poco X8 Power
LTE
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsRedmi K40 Gaming
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G bands
Poco X8 Power
SA/NSA
Redmi K40 Gaming
1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed
Poco X8 Power
HSPA, LTE, 5G
Redmi K40 Gaming
HSPA, LTE, 5G
Announced
Poco X8 Power
2026, September 04
Redmi K40 Gaming
2021, April 27
Status
Poco X8 Power
Available. Released 2026, September 11
Redmi K40 Gaming
Available. Released 2021, April 30
Dimensions
Poco X8 Power
163.4 x 78.3 x 8.6 mm (6.43 x 3.08 x 0.34 in)
Redmi K40 Gaming
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)
Weight
Poco X8 Power
229 g (8.08 oz)
Redmi K40 Gaming
205 g (7.23 oz)
Build
Poco X8 Power
Glass front (Gorilla Glass Victus 2), plastic back, plastic frame
Redmi K40 Gaming
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
SIM
Poco X8 Power
Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Redmi K40 Gaming
Nano-SIM + Nano-SIM
Other
Poco X8 Power
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) Drop resistant up to 3m
Redmi K40 Gaming
Physical pop-up gaming triggers IP53 dust protected and water resistant (vertical water sprays)
Type
Poco X8 Power
AMOLED, 68B colors, 120Hz, 3840Hz PWM, HDR10+, Dolby Vision, 1060 nits (typ), 2000 nits (HBM), 3500 nits (peak)
Redmi K40 Gaming
OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)
Size
Poco X8 Power
6.83 inches, 114.5 cm2 (~89.5% screen-to-body ratio)
Redmi K40 Gaming
6.67 inches, 107.4 cm2 (~86.3% screen-to-body ratio)
Resolution
Poco X8 Power
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Redmi K40 Gaming
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Poco X8 Power
Corning Gorilla Glass Victus 2
Redmi K40 Gaming
Corning Gorilla Glass 5
OS
Poco X8 Power
Android 16, up to 4 major OS updates, HyperOS 3
Redmi K40 Gaming
Android 11, MIUI 12.5
Chipset
Poco X8 Power
Qualcomm SM6850 Snapdragon 6 Gen 5 (4 nm)
Redmi K40 Gaming
Mediatek Dimensity 1200 (6 nm)
CPU
Poco X8 Power
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Redmi K40 Gaming
Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Poco X8 Power
Adreno 812
Redmi K40 Gaming
Mali-G77 MC9
Card slot
Poco X8 Power
No
Redmi K40 Gaming
No
Internal
Poco X8 Power
128GB 8GB RAM, 256GB 8GB RAM
Redmi K40 Gaming
128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
Poco X8 Power
UFS 2.2
Redmi K40 Gaming
UFS 3.1
Dual
Poco X8 Power
50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm
Redmi K40 Gaming
-
Features
Poco X8 Power
LED flash, HDR, panorama
Redmi K40 Gaming
Color spectrum sensor, Dual-LED flash, HDR, panorama
Video
Poco X8 Power
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Redmi K40 Gaming
4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
Triple
Poco X8 Power
-
Redmi K40 Gaming
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide) 2 MP (macro)
Single
Poco X8 Power
32 MP, f/2.2, (wide), 1/3.6", 0.61µm
Redmi K40 Gaming
16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Features
Poco X8 Power
HDR, panorama
Redmi K40 Gaming
HDR
Video
Poco X8 Power
4K@30fps, 1080p@30/60fps, gyro-EIS
Redmi K40 Gaming
1080p@30fps, 720p@120fps, HDR
Loudspeaker
Poco X8 Power
Yes, with stereo speakers (with Dolby Atmos)
Redmi K40 Gaming
Yes, with stereo speakers
3.5mm jack
Poco X8 Power
No
Redmi K40 Gaming
No
Other
Poco X8 Power
24-bit/192kHz Hi-Res & Hi-Res wireless audio
Redmi K40 Gaming
24-bit/192kHz Hi-Res audio Tuned by JBL
WLAN
Poco X8 Power
Yes
Redmi K40 Gaming
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Poco X8 Power
6.0, A2DP, LE
Redmi K40 Gaming
5.2, A2DP, LE
Positioning
Poco X8 Power
GPS, GALILEO, GLONASS, QZSS, BDS
Redmi K40 Gaming
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
NFC
Poco X8 Power
No
Redmi K40 Gaming
Yes
Infrared port
Poco X8 Power
Yes
Redmi K40 Gaming
Yes
Radio
Poco X8 Power
No
Redmi K40 Gaming
No
USB
Poco X8 Power
USB Type-C 2.0, OTG
Redmi K40 Gaming
USB Type-C 2.0, OTG
Sensors
Poco X8 Power
Fingerprint (under display, optical), accelerometer, gyro, compass, proximity (ultrasonic)
Redmi K40 Gaming
Fingerprint (side-mounted), accelerometer, gyro, compass, barometer
Type
Poco X8 Power
Si/C Li-Ion 10000 mAh
Redmi K40 Gaming
Li-Po 5065 mAh
Charging
Poco X8 Power
100W wired, PD3.0, PPS 27W reverse wired Bypass charging
Redmi K40 Gaming
67W wired, PD3.0, QC3, 100% in 42 min
Colors
Poco X8 Power
Black, Yellow
Redmi K40 Gaming
Black, Gray, Silver, Bruce Lee Yellow
Price
Poco X8 Power
About 330 EUR
Redmi K40 Gaming
About 260 EUR
Models
Poco X8 Power
-
Redmi K40 Gaming
M2012K10C, M2104K10AC