Head to head

Infinix Zero Ultra vs Vivo Y21d

Full specification and price comparison for Pakistan, updated 24 Jun 2026.

The short answer

The Infinix Zero Ultra is the stronger phone of the two, scoring 82 against 66 on our combined specification score. It leads on camera, display and memory & storage. The Vivo Y21d still wins on value for money, so it remains the better choice if that is your priority. The Vivo Y21d is the cheaper of the two at PKR 43,999 against PKR 99,999.

View raw data
Add another phone to this comparison

Up to 4 devices can share one comparison table.

The verdict

Spec-derived

Infinix Zero Ultra takes it by 16.3 points on our weighted spec score.

Camera Infinix Zero Ultra leads

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

Battery & charging Level

Cell capacity in mAh weighted with rated wired charging output.

Display Infinix Zero Ultra leads

Pixel density, refresh rate and panel technology.

Memory & storage Infinix Zero Ultra leads

Highest advertised RAM and internal storage configuration.

Value for money Vivo Y21d leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Vivo Y21d costs PKR 56,000 less.
  • Vivo Y21d packs a 2,000 mAh larger battery.
  • Infinix Zero Ultra charges 136W faster.
  • Infinix Zero Ultra offers 2 GB more RAM.
  • Infinix Zero Ultra ships with 128 GB more storage.
  • Infinix Zero Ultra has a 150 MP higher-resolution main sensor.
  • Infinix Zero Ultra uses an OLED panel while the other sticks with LCD.

Buy the Infinix Zero Ultra if…

you care most about camera, display and memory & storage.

Buy the Vivo Y21d if…

you care most about value for money.

Not enough published data to score: Performance. Those categories are excluded from the overall figure rather than estimated.

Full specification comparison

Specification Infinix Zero Ultra Vivo Y21d
Price in Pakistan
Retail price PKR 99,999 PKR 43,999 Cheaper
Design & build
Release date October 2022 (Pakistan) October 2025
Dimensions 164.5 × 76.5 × 8.0 mm 166.14 × 77.01 × 8.39 mm
Weight 213 g 209 g Better
Water resistance No official IP rating Not listed
Display
Screen size 6.8 inches Better 6.68 in
Resolution 1080 × 2400 pixels (~387 ppi) Better 720 × 1608 pixels (~264 ppi)
Panel type AMOLED, 120Hz, HDR10+ IPS LCD, 90Hz, 1000 nits
Protection Corning Gorilla Glass 3 Not listed
Performance
Chipset MediaTek Dimensity 920 (6 nm) Unisoc T7225 (12 nm)
CPU Octa-core (2×2.5 GHz Cortex-A78 + 6×2.0 GHz Cortex-A55) Octa-core (2×1.8 GHz + 6×1.8 GHz)
GPU Mali-G68 MC4 Arm Mali-G57
Operating system Android 12 (XOS 12) Android 15, Funtouch OS 15
Memory & storage
RAM 8 GB Better 6 GB
Internal storage 256 GB Better 128 GB
Card slot No microSD (dedicated slot)
Camera
Main camera 200 MP (wide, OIS) + 13 MP (ultrawide) + 2 MP (depth) Better 50 MP wide + 0.08 MP (aux)
Selfie camera 32 MP Better 5 MP wide
Video recording 4K@30fps, 1080p@30/60fps 1080p@30fps
Battery & charging
Battery capacity Li-Po 4500 mAh (non-removable) Non-removable Li-Ion ~6500 mAh Better
Wired charging 180W wired (0–100% ≈ 12 minutes) Better 44W wired
Connectivity & extras
SIM Dual Nano-SIM "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
Bluetooth 5.2 5.2
NFC Yes No
Sensors Under-display fingerprint (optical), accelerometer, gyro, compass Fingerprint (side-mounted), accelerometer, gyro, compass, proximity
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, Infinix Zero Ultra or Vivo Y21d?

Infinix Zero Ultra comes out ahead on our combined spec score, leading by 16.3 points. It wins on camera, display and memory & storage. Vivo Y21d 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 Infinix Zero Ultra and Vivo Y21d in Pakistan?

Infinix Zero Ultra is listed at PKR 99,999 and Vivo Y21d at PKR 43,999. That makes Vivo Y21d cheaper by PKR 56,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Infinix Zero Ultra or Vivo Y21d?

Infinix Zero Ultra scores higher in our camera assessment. Infinix Zero Ultra uses a 200 MP main sensor against 50 MP on Vivo Y21d, though sensor size and processing matter more than resolution alone.

Related comparisons

Infinix Zero Ultra vs Tecno Camon 19 Pro 5G Vivo Y21d vs Tecno Camon 19 Pro 5G Infinix Zero Ultra vs Tecno Camon 30 5G Vivo Y21d vs Tecno Camon 30 5G Infinix Zero Ultra vs Tecno Camon 40 Pro 4G Vivo Y21d vs Tecno Camon 40 Pro 4G Infinix Zero Ultra vs Tecno Spark 50 5G Vivo Y21d vs Tecno Spark 50 5G

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.