Head to head

Xiaomi Poco X8 vs Xiaomi Redmi K90 Ultra

Full specification and price comparison for Pakistan, updated 6 Sep 2026.

The short answer

The Xiaomi Redmi K90 Ultra is the stronger phone of the two, scoring 93 against 78 on our combined specification score. It leads on performance, camera and battery & charging. The Xiaomi Poco X8 still wins on value for money, so it remains the better choice if that is your priority. The Xiaomi Poco X8 is the cheaper of the two at PKR 74,999 against PKR 126,999.

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The verdict

Spec-derived

Xiaomi Redmi K90 Ultra takes it by 14.3 points on our weighted spec score.

Performance Xiaomi Redmi K90 Ultra leads

Gaming score where available, otherwise chipset tier plus usable RAM.

Camera Xiaomi Redmi K90 Ultra leads

Camera Score where available, otherwise sensor resolution and lens count. Megapixels alone do not measure image quality.

Battery & charging Xiaomi Redmi K90 Ultra leads

Cell capacity in mAh weighted with rated wired charging output.

Display Level

Pixel density, refresh rate and panel technology.

Memory & storage Xiaomi Redmi K90 Ultra leads

Highest advertised RAM and internal storage configuration.

Value for money Xiaomi Poco X8 leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Xiaomi Poco X8 costs PKR 52,000 less.
  • Xiaomi Redmi K90 Ultra packs a 160 mAh larger battery.
  • Xiaomi Redmi K90 Ultra charges 33W faster.
  • Xiaomi Redmi K90 Ultra offers 4 GB more RAM.
  • Xiaomi Redmi K90 Ultra ships with 768 GB more storage.

Buy the Xiaomi Poco X8 if…

you care most about value for money.

Buy the Xiaomi Redmi K90 Ultra if…

you care most about performance, camera, battery & charging and memory & storage.

Full specification comparison

Specification Xiaomi Poco X8 Xiaomi Redmi K90 Ultra
Price in Pakistan
Retail price PKR 74,999 Cheaper PKR 126,999
Design & build
Release date September 2026 July 2026 (Expected)
Dimensions 163.45 × 78.27 × 8.60 mm Not announced
Weight 223 g Not announced
Water resistance IP66 / IP68 / IP69 / IP69K IP68/IP69 (expected)
Display
Screen size 6.83-inch 6.89 inches Better
Resolution 1280 × 2772 pixels Better 1220 × 2712 pixels (1.5K)
Panel type AMOLED 120Hz refresh rate 12-bit color depth, 3500 nits peak brightness, 3840Hz PWM dimming, DCI-P3, LTPS OLED, 68 Billion 165Hz
Protection Corning Gorilla Glass Victus 2 Not officially confirmed
Performance
Chipset Qualcomm Snapdragon 6s Gen 4 (4nm), Qualcomm Snapdragon 8 Elite (3nm) (Expected)
CPU Octa-core (4×2.4GHz Cortex-A78 + 4×1.8GHz Cortex-A55) Octa-core
GPU Adreno 710 Adreno 840 (Expected)
Operating system Android 16, HyperOS 3. Android 16 HyperOS 3
Memory & storage
RAM 6GB / 8GB / 12GB LPDDR4X 12GB / 16GB LPDDR5X Better
Internal storage UFS 2.2 (128GB) / UFS 3.1 (256GB) 256GB / 512GB / 1TB UFS 4.1 Better
Card slot No No
Camera
Main camera 50MP, f/1.8, OIS, PDAF, 1/2.76" sensor, 0.64µm pixel size, 5P lens + 2MP depth sensor, f/2.4, LED flash. 50 MP Primary Camera (OIS) 8 MP Ultra-Wide Camera LED Flash, HDR, Panorama
Selfie camera 16MP, f/2.4, 5P lens, 1.0µm pixel size, Fixed Focus, HDR 20 MP Better
Video recording 1080p@30fps (Front & Rear), 720p@30fps, Gyro-EIS. Up to 8K (expected)
Battery & charging
Battery capacity Silicon-Carbon battery, (Non-removable) 8340mAh (Global), 9000mAh (India) Silicon-Carbon Li-Ion 8,000–8,500 mAh (expected) Better
Wired charging 67W wired charging, 22.5W reverse wired charging 100W HyperCharge Better
Connectivity & extras
SIM Dual Nano-SIM Dual Nano-SIM
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), Dual-Band, Wi-Fi Direct
Bluetooth 5.1, A2DP, LE v5.4
NFC Yes Yes
Sensors Fingerprint (under-display optical), Accelerometer, Gyroscope, Proximity Sensor, Ambient Light Sensor, Electronic Compass, Infrared Sensor. Ultrasonic In-display Fingerprint Sensor AI Face Unlock Accelerometer Gyroscope Proximity Sensor Ambient Light Sensor Electronic Compass X-axis Linear Vibration Motor
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG

“Better” marks the higher (or, for price and weight, the lower) figure. It is a specification difference, not a judgement about real-world experience.

Questions people ask

Which is better, Xiaomi Poco X8 or Xiaomi Redmi K90 Ultra?

Xiaomi Redmi K90 Ultra comes out ahead on our combined spec score, leading by 14.3 points. It wins on performance, camera, battery & charging and memory & storage. Xiaomi Poco X8 can still be the better buy if your priorities sit elsewhere or if you find it at a lower street price.

What is the price of Xiaomi Poco X8 and Xiaomi Redmi K90 Ultra in Pakistan?

Xiaomi Poco X8 is listed at PKR 74,999 and Xiaomi Redmi K90 Ultra at PKR 126,999. That makes Xiaomi Poco X8 cheaper by PKR 52,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Xiaomi Poco X8 or Xiaomi Redmi K90 Ultra?

Xiaomi Redmi K90 Ultra scores higher in our camera assessment. Both use comparable main sensors, so day to day results come down to processing.

Which phone has the better battery, Xiaomi Poco X8 or Xiaomi Redmi K90 Ultra?

Xiaomi Redmi K90 Ultra leads on battery. Xiaomi Poco X8 carries a 8340 mAh cell and Xiaomi Redmi K90 Ultra a 8500 mAh cell, with 67W and 100W wired charging respectively.

Which is better for gaming, Xiaomi Poco X8 or Xiaomi Redmi K90 Ultra?

Xiaomi Redmi K90 Ultra is the stronger gaming phone here. Xiaomi Poco X8 runs the Qualcomm Snapdragon 6s Gen 4 (4nm), while Xiaomi Redmi K90 Ultra runs the Qualcomm Snapdragon 8 Elite (3nm) (Expected).

Scores are calculated from the published hardware specification of each device using the same formula for every phone on WhatMobilePK — they are not paid placements and they are not laboratory test results. Prices are indicative Pakistani retail prices and change frequently.