Screen size
Poco X8 PowerWinner: 6.8"+2.3%
Redmi K70 Ultra6.7"
Quick verdict
Redmi K70 Ultra leads the measured specs 9-8.
Measured wins
Poco X8 Power
8
spec wins
Ties
5
equal specs
Redmi K70 Ultra
9
spec wins
Overall winner
Screen size
Technology
Poco X8 Power
GSM / HSPA / LTE / 5G
Redmi K70 Ultra
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
Poco X8 Power
GSM 850 / 900 / 1800 / 1900
Redmi K70 Ultra
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
Poco X8 Power
HSDPA 850 / 1900 / 2100
Redmi K70 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1x
4G bands
Poco X8 Power
LTE
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsRedmi K70 Ultra
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands
Poco X8 Power
SA/NSA
Redmi K70 Ultra
1, 3, 5, 7, 8, 28, 66, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
Poco X8 Power
HSPA, LTE, 5G
Redmi K70 Ultra
HSPA, LTE, 5G
Announced
Poco X8 Power
2026, September 04
Redmi K70 Ultra
2024, July 19
Status
Poco X8 Power
Available. Released 2026, September 11
Redmi K70 Ultra
Available. Released 2024, July 19
Dimensions
Poco X8 Power
163.4 x 78.3 x 8.6 mm (6.43 x 3.08 x 0.34 in)
Redmi K70 Ultra
160.4 x 75.1 x 8.4 mm (6.31 x 2.96 x 0.33 in)
Weight
Poco X8 Power
229 g (8.08 oz)
Redmi K70 Ultra
211 g (7.44 oz)
Build
Poco X8 Power
Glass front (Gorilla Glass Victus 2), plastic back, plastic frame
Redmi K70 Ultra
Glass front, aluminum frame
SIM
Poco X8 Power
Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Redmi K70 Ultra
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 K70 Ultra
IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Type
Poco X8 Power
AMOLED, 68B colors, 120Hz, 3840Hz PWM, HDR10+, Dolby Vision, 1060 nits (typ), 2000 nits (HBM), 3500 nits (peak)
Redmi K70 Ultra
OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, 1600 nits (HBM), 4000 nits (peak)
Size
Poco X8 Power
6.83 inches, 114.5 cm2 (~89.5% screen-to-body ratio)
Redmi K70 Ultra
6.67 inches, 107.4 cm2 (~89.1% screen-to-body ratio)
Resolution
Poco X8 Power
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Redmi K70 Ultra
1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Protection
Poco X8 Power
Corning Gorilla Glass Victus 2
Redmi K70 Ultra
Scratch/drop-resistant glass
OS
Poco X8 Power
Android 16, up to 4 major OS updates, HyperOS 3
Redmi K70 Ultra
Android 14, HyperOS
Chipset
Poco X8 Power
Qualcomm SM6850 Snapdragon 6 Gen 5 (4 nm)
Redmi K70 Ultra
Mediatek Dimensity 9300+ (4 nm)
CPU
Poco X8 Power
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Redmi K70 Ultra
Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
GPU
Poco X8 Power
Adreno 812
Redmi K70 Ultra
Immortalis-G720 MC12
Card slot
Poco X8 Power
No
Redmi K70 Ultra
No
Internal
Poco X8 Power
128GB 8GB RAM, 256GB 8GB RAM
Redmi K70 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM
Other
Poco X8 Power
UFS 2.2
Redmi K70 Ultra
UFS 4.0
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 K70 Ultra
-
Features
Poco X8 Power
LED flash, HDR, panorama
Redmi K70 Ultra
Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Video
Poco X8 Power
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Redmi K70 Ultra
8K@24/30fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Triple
Poco X8 Power
-
Redmi K70 Ultra
50 MP, f/1.7, 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Single
Poco X8 Power
32 MP, f/2.2, (wide), 1/3.6", 0.61µm
Redmi K70 Ultra
20 MP, (wide), 1/2.0", 0.8µm
Features
Poco X8 Power
HDR, panorama
Redmi K70 Ultra
HDR
Video
Poco X8 Power
4K@30fps, 1080p@30/60fps, gyro-EIS
Redmi K70 Ultra
1080p@30fps
Loudspeaker
Poco X8 Power
Yes, with stereo speakers (with Dolby Atmos)
Redmi K70 Ultra
Yes, with stereo speakers
3.5mm jack
Poco X8 Power
No
Redmi K70 Ultra
No
Other
Poco X8 Power
24-bit/192kHz Hi-Res & Hi-Res wireless audio
Redmi K70 Ultra
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
WLAN
Poco X8 Power
Yes
Redmi K70 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
Poco X8 Power
6.0, A2DP, LE
Redmi K70 Ultra
5.4, A2DP, LE, LHDC 5
Positioning
Poco X8 Power
GPS, GALILEO, GLONASS, QZSS, BDS
Redmi K70 Ultra
GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
Poco X8 Power
No
Redmi K70 Ultra
Yes
Infrared port
Poco X8 Power
Yes
Redmi K70 Ultra
Yes
Radio
Poco X8 Power
No
Redmi K70 Ultra
Unspecified
USB
Poco X8 Power
USB Type-C 2.0, OTG
Redmi K70 Ultra
USB Type-C
Sensors
Poco X8 Power
Fingerprint (under display, optical), accelerometer, gyro, compass, proximity (ultrasonic)
Redmi K70 Ultra
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Poco X8 Power
Si/C Li-Ion 10000 mAh
Redmi K70 Ultra
Li-Po 5500 mAh
Charging
Poco X8 Power
100W wired, PD3.0, PPS 27W reverse wired Bypass charging
Redmi K70 Ultra
120W wired, PD3.0, 100% in 24 min
Colors
Poco X8 Power
Black, Yellow
Redmi K70 Ultra
Black, White, Violet, Green Championship Edition, Orange Championship Edition
Price
Poco X8 Power
About 330 EUR
Redmi K70 Ultra
About 330 EUR
Models
Poco X8 Power
-
Redmi K70 Ultra
2407FRK8EC