Head to head

Vivo Y31d vs Xiaomi Poco X8

Full specification and price comparison for Pakistan, updated 14 May 2026.

The short answer

The Xiaomi Poco X8 is the stronger phone of the two, scoring 77 against 74 on our combined specification score. It leads on performance, battery & charging and display. The Vivo Y31d still wins on camera and value for money, so it remains the better choice if that is your priority. The Vivo Y31d is the cheaper of the two at PKR 57,999 against PKR 74,999.

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The verdict

Spec-derived

Xiaomi Poco X8 takes it by 3 points on our weighted spec score.

Performance Xiaomi Poco X8 leads

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

Camera Vivo Y31d leads

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

Battery & charging Xiaomi Poco X8 leads

Cell capacity in mAh weighted with rated wired charging output.

Display Xiaomi Poco X8 leads

Pixel density, refresh rate and panel technology.

Memory & storage Xiaomi Poco X8 leads

Highest advertised RAM and internal storage configuration.

Value for money Vivo Y31d leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Vivo Y31d costs PKR 17,000 less.
  • Xiaomi Poco X8 packs a 1,140 mAh larger battery.
  • Xiaomi Poco X8 charges 23W faster.
  • Xiaomi Poco X8 offers 4 GB more RAM.
  • Xiaomi Poco X8 uses an OLED panel while the other sticks with LCD.

Buy the Vivo Y31d if…

you care most about camera and value for money.

Buy the Xiaomi Poco X8 if…

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

Full specification comparison

Specification Vivo Y31d Xiaomi Poco X8
Price in Pakistan
Retail price PKR 57,999 Cheaper PKR 74,999
Design & build
Release date March 2026 September 2026
Dimensions 166.64 x 78.43 x 8.39 mm 163.45 × 78.27 × 8.60 mm
Weight 219g Better 223 g
Water resistance IP68/IP69 Dust & Water Resistant IP66 / IP68 / IP69 / IP69K
Display
Screen size 6.75 Inches 6.83-inch Better
Resolution 720 x 1570 Pixels (256 PPI) 1280 × 2772 pixels Better
Panel type IPS LCD, 120Hz AMOLED 120Hz refresh rate 12-bit color depth, 3500 nits peak brightness, 3840Hz PWM dimming, DCI-P3,
Protection basic scratch-resistant glass Corning Gorilla Glass Victus 2
Performance
Chipset Qualcomm Snapdragon 6s Gen 2 4G Qualcomm Snapdragon 6s Gen 4 (4nm),
CPU Octa-core Octa-core (4×2.4GHz Cortex-A78 + 4×1.8GHz Cortex-A55)
GPU Adreno 610 Adreno 710
Operating system Android 16, OriginOS 6 Android 16, HyperOS 3.
Memory & storage
RAM 6GB / 8GB 6GB / 8GB / 12GB LPDDR4X Better
Internal storage 128GB / 256GB UFS 2.2 (128GB) / UFS 3.1 (256GB)
Card slot No No
Camera
Main camera 50 MP + 2 MP HDR, Panorama, Night Mode, Portrait, Time-lapse 50MP, f/1.8, OIS, PDAF, 1/2.76" sensor, 0.64µm pixel size, 5P lens + 2MP depth sensor, f/2.4, LED flash.
Selfie camera 8 MP 16MP, f/2.4, 5P lens, 1.0µm pixel size, Fixed Focus, HDR Better
Video recording 1080p@30fps 1080p@30fps (Front & Rear), 720p@30fps, Gyro-EIS.
Battery & charging
Battery capacity Li-Po (non-removable) 7200mAh Silicon-Carbon battery, (Non-removable) 8340mAh (Global), 9000mAh (India) Better
Wired charging 44W Fast Charging Reverse Wired Charging Bypass Charging Supported 67W wired charging, 22.5W reverse wired charging Better
Connectivity & extras
SIM Dual SIM (Nano-SIM, Dual Standby) Dual Nano-SIM
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, Dual-Band Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.1 5.1, A2DP, LE
NFC No Yes
Sensors Fingerprint Sensor: Side-mounted Accelerometer Gyroscope Compass Proximity Sensor Ambient Light Sensor Fingerprint (under-display optical), Accelerometer, Gyroscope, Proximity Sensor, Ambient Light Sensor, Electronic Compass, Infrared Sensor.
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, Vivo Y31d or Xiaomi Poco X8?

Xiaomi Poco X8 comes out ahead on our combined spec score, leading by 3 points. It wins on performance, battery & charging, display and memory & storage. Vivo Y31d 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 Vivo Y31d and Xiaomi Poco X8 in Pakistan?

Vivo Y31d is listed at PKR 57,999 and Xiaomi Poco X8 at PKR 74,999. That makes Vivo Y31d cheaper by PKR 17,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Vivo Y31d or Xiaomi Poco X8?

Vivo Y31d 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, Vivo Y31d or Xiaomi Poco X8?

Xiaomi Poco X8 leads on battery. Vivo Y31d carries a 7200 mAh cell and Xiaomi Poco X8 a 8340 mAh cell, with 44W and 67W wired charging respectively.

Which is better for gaming, Vivo Y31d or Xiaomi Poco X8?

Xiaomi Poco X8 is the stronger gaming phone here. Vivo Y31d runs the Qualcomm Snapdragon 6s Gen 2 4G while Xiaomi Poco X8 runs the Qualcomm Snapdragon 6s Gen 4 (4nm),.

Related comparisons

Vivo Y31d vs Infinix Note 40 5G Xiaomi Poco X8 vs Infinix Note 40 5G Vivo Y31d vs Infinix Note 12 (2023) Xiaomi Poco X8 vs Infinix Note 12 (2023) Vivo Y31d vs Samsung Galaxy A07s Xiaomi Poco X8 vs Samsung Galaxy A07s Vivo Y31d vs Infinix Note 50 Racing Edition Xiaomi Poco X8 vs Infinix Note 50 Racing Edition

Tools that use this data

Camera Score Tool Battery Score Tool Gaming Performance Checker AI Mobile Recommendation Tool All comparisons

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.