Compare / Xiaomi Poco F8 Ultra vs Xiaomi Redmi K100

Xiaomi Poco F8 Ultra vs Xiaomi Redmi K100

A side-by-side comparison of the Xiaomi Poco F8 Ultra and the Xiaomi Redmi K100, covering display, chipset, memory, camera, battery and build.

Overview

Display
Xiaomi Poco F8 Ultra
6.9inch
AMOLED · 120 Hz
1200 × 2608 · 416 PPI
Xiaomi Redmi K100
6.83inch
AMOLED · 165 Hz
1280 × 2772 · 447 PPI
Chip
Xiaomi Poco F8 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 16
Xiaomi Redmi K100
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Adreno 840 · Android 17
Memory
Xiaomi Poco F8 Ultra
12 / 16GB RAM
256 GB · 512 GB storage
No card slot
Xiaomi Redmi K100
12 / 16GB RAM
256 GB · 512 GB storage
No card slot
Camera
Xiaomi Poco F8 Ultra
50MP Main
50 MP Periscope
50 MP Ultra Wide
32 MP selfie
8K@30fps video
Xiaomi Redmi K100
50MP Main
8 MP Ultra Wide
20 MP selfie
8K@30fps video
Battery
Xiaomi Poco F8 Ultra
6,500mAh
100 W wired · 50 W wireless
Xiaomi Redmi K100
10,000mAh
100 W wired
Build
Xiaomi Poco F8 Ultra
218g
163.3 × 77.8 × 7.9 mm
IP68
Xiaomi Redmi K100
234.5g
162.9 × 77.9 × 8.7 mm
IP68
Connectivity
Xiaomi Poco F8 Ultra
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)USB Type-C 3.2
Xiaomi Redmi K100
5GWi-Fi 7Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Xiaomi Poco F8 Ultra

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71
5G bands
1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Xiaomi Redmi K100

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands
1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Xiaomi Poco F8 Ultra

Announced
2025, November 26
Status
Available. Released 2025, November 26

Xiaomi Redmi K100

Announced
2026, October 27
Status
Available. Released 2026, October 27

Xiaomi Poco F8 Ultra

Dimensions
163.3 x 77.8 x 7.9 mm or 8.3 mm
Weight
218 g or 220 g (7.69 oz)
Build
Glass front (Poco Shield Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back
SIM

· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)

· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

Xiaomi Redmi K100

Dimensions
162.9 x 77.9 x 8.7 mm (6.41 x 3.07 x 0.34 in)
Weight
234.5 g (8.29 oz)
Build
Glass front, aluminum frame
SIM

Nano-SIM + Nano-SIM

IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Xiaomi Poco F8 Ultra

Type
AMOLED68B colors2560Hz PWM120HzDolby VisionHDR10+2000 nits (HBM)3500 nits (peak)
Size
6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio)
Resolution
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Poco Shield Glass

Xiaomi Redmi K100

Type
AMOLED68B colors165HzDolby VisionHDR VividHDR10+3500 nits (HBM)9000 nits (peak)*
Size
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution

1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)

* Measured at an isolated spot during video playback only

Xiaomi Poco F8 Ultra

OS
Android 16, HyperOS 3
Chipset
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 840

Xiaomi Redmi K100

OS
Android 17, HyperOS 4
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 840

Xiaomi Poco F8 Ultra

Card slot
No
Internal

256GB 12GB RAM, 512GB 16GB RAM

UFS 4.1

Xiaomi Redmi K100

Card slot
No
Internal

256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM

UFS 4.1

Xiaomi Poco F8 Ultra

Triple

50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS

50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom

50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps4K@30/60fps1080p@30/60/120/240/960fps720p@1920fpsgyro-EISHDR10+

Xiaomi Redmi K100

Dual

50 MP, f/1.7, (wide), 1/1.55", 1.0µm, PDAF, OIS

8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+

Xiaomi Poco F8 Ultra

Single
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
Features
HDR
Video
4K@30fps, 1080p@30/60fps

Xiaomi Redmi K100

Single
20 MP, (wide), 1/2.0", 0.8µm
Video
1080p@30/60fps

Xiaomi Poco F8 Ultra

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

Tuned by Bose

Bose 2.1 stereo sound system with a woofer

24-bit/192kHz Hi-Res & Hi-Res wireless audio

Xiaomi Redmi K100

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

Tuned by Bose

24-bit/192kHz Hi-Res & Hi-Res wireless audio

Xiaomi Poco F8 Ultra

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
6.0A2DPLEaptX HDaptX AdaptiveLHDC 5.0ASHAMIHC
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavIC (L5)GLONASS
NFC
Yes (market/region dependent)
Infrared port
Yes
Radio
No
USB
USB Type-C 3.2, OTG, video output

Xiaomi Redmi K100

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavICGLONASS
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Xiaomi Poco F8 Ultra

Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass

Xiaomi Redmi K100

Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass

Xiaomi Poco F8 Ultra

Type
6500 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS, 100% in 38 mins

50W wireless, 50% in 31 mins

22.5W reverse wireless

Xiaomi Redmi K100

Type
Si/C Li-Ion 10000 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS

27W reverse wired

Bypass charging

Xiaomi Poco F8 Ultra

Colors
Black, White, Denim Blue
Models
25102PCBEG
Price
£ 609.00 / € 724.98 / $ 889.99

Xiaomi Redmi K100

Colors
Black, White, Green
Price
About 470 EUR

Xiaomi Poco F8 Ultra

Performance

AnTuTu: 2720760 (v10), 3887841 (v11)

GeekBench: 10876 (v6)

3DMark: 6864 (Wild Life Extreme)

Display
1077 nits max brightness (measured)
Loudspeaker
-26.0 LUFS (Very good)
Battery
Active use score 18:52h

Xiaomi Redmi K100

Not listed for this device

How the Xiaomi Poco F8 Ultra and Xiaomi Redmi K100 differ

  • The Xiaomi Redmi K100 has a larger battery, 10000 mAh against 6500 mAh on the Xiaomi Poco F8 Ultra.
  • The Xiaomi Poco F8 Ultra has the bigger screen, 6.9 inches against 6.83 inches.
  • The Xiaomi Redmi K100 is the newer of the two, released in October 2026.