Head to head

Tecno Spark 40 5G vs Vivo Y21d

Full specification and price comparison for Pakistan, updated 7 Aug 2026.

The short answer

The Tecno Spark 40 5G is the stronger phone of the two, scoring 74 against 66 on our combined specification score. It leads on performance and memory & storage. The Vivo Y21d still wins on battery & charging, 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 49,999.

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The verdict

Spec-derived

Tecno Spark 40 5G takes it by 8.4 points on our weighted spec score.

Performance Tecno Spark 40 5G leads

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

Camera Level

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

Battery & charging Vivo Y21d leads

Cell capacity in mAh weighted with rated wired charging output.

Display Level

Pixel density, refresh rate and panel technology.

Memory & storage Tecno Spark 40 5G leads

Highest advertised RAM and internal storage configuration.

Value for money Level

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Vivo Y21d costs PKR 6,000 less.
  • Vivo Y21d packs a 500 mAh larger battery.
  • Vivo Y21d charges 26W faster.
  • Tecno Spark 40 5G offers 2 GB more RAM.
  • Tecno Spark 40 5G ships with 128 GB more storage.

Buy the Tecno Spark 40 5G if…

you care most about performance and memory & storage.

Buy the Vivo Y21d if…

you care most about battery & charging.

Full specification comparison

Specification Tecno Spark 40 5G Vivo Y21d
Price in Pakistan
Retail price PKR 49,999 PKR 43,999 Cheaper
Design & build
Release date July 2025 October 2025
Dimensions 167.69 × 77.87 × 7.99 mm 166.14 × 77.01 × 8.39 mm
Weight Not officially specified 209 g
Water resistance IP64 Certified Not listed
Display
Screen size 6.67 inches 6.68 in Better
Resolution 720 × 1600 pixels (HD+) 720 × 1608 pixels (~264 ppi) Better
Panel type IPS LCD 120Hz Up to 700 nits (HBM) IPS LCD, 90Hz, 1000 nits
Protection Panda Glass Not listed
Performance
Chipset MediaTek Dimensity 6400 5G+ Unisoc T7225 (12 nm)
CPU Octa-core Octa-core (2×1.8 GHz + 6×1.8 GHz)
GPU Mali-G57 MC2 Arm Mali-G57
Operating system Android 15 HiOS 15 Android 15, Funtouch OS 15
Memory & storage
RAM 4GB / 6GB / 8GB LPDDR4X (Memory Fusion (Virtual RAM) Up to 8GB Extended RAM) Better 6 GB
Internal storage 128GB / 256GB UFS 2.2 Better 128 GB
Card slot microSDXC Dedicated microSD card slot (market dependent) Expandable storage up to 1TB (market dependent) microSD (dedicated slot)
Camera
Main camera 50 MP, Wide AI Lens Autofocus Dual LED Flash HDR Panorama AI Scene Recognition Night Mode Portrait Mode Beauty Mode Pro Mode Super Resolution Time-Lapse Slow Motion AI Camera Filters Document Scanner QR Code Scanner Continuous Shooting 50 MP wide + 0.08 MP (aux)
Selfie camera 8 MP Wide Portrait Mode HDR Face Retouch Filters Gesture Capture Smile Capture Better 5 MP wide
Video recording 1080p @ 30fps 720p @ 30fps Dual Video Time-Lapse Video Slow Motion Video 1080p@30fps
Battery & charging
Battery capacity Li-Ion (non-removable) 6000 mAh Non-removable Li-Ion ~6500 mAh Better
Wired charging 18W Fast Charging 44W wired Better
Connectivity & extras
SIM Dual Nano-SIM, Dual Standby "Dual Nano-SIM
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac Dual-band Wi-Fi Wi-Fi Hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.4 5.2
NFC Yes No
Sensors Side-mounted Fingerprint Scanner Face Unlock Ambient Light Sensor Proximity Sensor Accelerometer (G-Sensor) Electronic Compass Virtual Gyroscope Infrared Remote Sensor 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, Tecno Spark 40 5G or Vivo Y21d?

Tecno Spark 40 5G comes out ahead on our combined spec score, leading by 8.4 points. It wins on performance 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 Tecno Spark 40 5G and Vivo Y21d in Pakistan?

Tecno Spark 40 5G is listed at PKR 49,999 and Vivo Y21d at PKR 43,999. That makes Vivo Y21d cheaper by PKR 6,000. Retail prices move often, so treat these as indicative.

Which phone has the better battery, Tecno Spark 40 5G or Vivo Y21d?

Vivo Y21d leads on battery. Tecno Spark 40 5G carries a 6000 mAh cell and Vivo Y21d a 6500 mAh cell, with 18W and 44W wired charging respectively.

Which is better for gaming, Tecno Spark 40 5G or Vivo Y21d?

Tecno Spark 40 5G is the stronger gaming phone here. Tecno Spark 40 5G runs the MediaTek Dimensity 6400 5G+ while Vivo Y21d runs the Unisoc T7225 (12 nm).

Related comparisons

Tecno Spark 40 5G vs Tecno Spark 30 5G Vivo Y21d vs Tecno Spark 30 5G Tecno Spark 40 5G vs Tecno Camon 19 Pro Vivo Y21d vs Tecno Camon 19 Pro Tecno Spark 40 5G vs TECNO POVA 5 Pro 5G Free Fire Special Edition Vivo Y21d vs TECNO POVA 5 Pro 5G Free Fire Special Edition Tecno Spark 40 5G vs Tecno Camon 19 Neo Vivo Y21d vs Tecno Camon 19 Neo

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.