Head to head

Tecno Spark 20 vs Tecno Spark Slim

Full specification and price comparison for Pakistan, updated 9 Aug 2026.

The short answer

The Tecno Spark Slim is the stronger phone of the two, scoring 72 against 65 on our combined specification score. It leads on performance, battery & charging and display. The Tecno Spark 20 still wins on camera and value for money, so it remains the better choice if that is your priority. The Tecno Spark 20 is the cheaper of the two at PKR 30,999 against PKR 43,999.

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The verdict

Spec-derived

Tecno Spark Slim takes it by 6.8 points on our weighted spec score.

Performance Tecno Spark Slim leads

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

Camera Tecno Spark 20 leads

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

Battery & charging Tecno Spark Slim leads

Cell capacity in mAh weighted with rated wired charging output.

Display Tecno Spark Slim leads

Pixel density, refresh rate and panel technology.

Memory & storage Level

Highest advertised RAM and internal storage configuration.

Value for money Tecno Spark 20 leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Tecno Spark 20 costs PKR 13,000 less.
  • Tecno Spark Slim packs a 160 mAh larger battery.
  • Tecno Spark Slim charges 27W faster.
  • Tecno Spark Slim uses an OLED panel while the other sticks with LCD.

Buy the Tecno Spark 20 if…

you care most about camera and value for money.

Buy the Tecno Spark Slim if…

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

Full specification comparison

Specification Tecno Spark 20 Tecno Spark Slim
Price in Pakistan
Retail price PKR 30,999 Cheaper PKR 43,999
Design & build
Release date December 2023 July 2025 (global rollout began in selected markets)
Dimensions 163.7 × 75.6 × 8.5 mm 164.2 × 75.9 × 5.93 mm
Weight Not officially specified 156 g
Water resistance IP53 dust and splash resistant IP64 Dust & Splash Resistant
Display
Screen size 6.6 inches 6.78 inches Better
Resolution 720 × 1612 pixels (HD+) 1224 × 2720 pixels (440 ppi) Better
Panel type IPS LCD 90Hz AMOLED 3D Curved Display 144Hz Up to 4500 nits
Protection Basic scratch-resistant glass Corning Gorilla Glass 7i
Performance
Chipset MediaTek Helio G85 (12nm) MediaTek Helio G200 (6nm)
CPU Octa-core 2 × Cortex-A75 @ 2.0GHz 6 × Cortex-A55 @ 1.8GHz Octa-core 2× Cortex-A76 6× Cortex-A55
GPU Mali-G52 MP2 Mali-G57 MC2
Operating system Android 13 with HiOS 13.5 Android 15 HIOS 15
Memory & storage
RAM 8GB 8GB Up to 8GB Virtual RAM (Memory Fusion)
Internal storage 128GB / 256GB eMMC 5.1 128GB / 256GB
Card slot microSDXC (dedicated slot) microSDXC (market dependent)
Camera
Main camera 50 MP, Wide, PDAF 0.08 MP, Auxiliary Lens Dual LED Flash HDR Panorama AI Scene Detection Phase Detection Autofocus (PDAF) 50 MP PDAF Autofocus HDR Panorama AI Camera Portrait Mode Night Mode Beauty Mode Dual LED Flash
Selfie camera 32 MP, Wide Dual LED Flash Better 13 MP AI Beauty Portrait Screen Flash
Video recording 1440p @ 30fps 1080p @ 30fps 1440p 1080p
Battery & charging
Battery capacity Li-Ion (non-removable) 5000 mAh Li-Ion (non-removable) 5160 mAh Better
Wired charging 18W Fast Charging 45W Wired Fast Charging 10W Wired Reverse Charging Better
Connectivity & extras
SIM Dual Nano-SIM, Dual Standby Dual Nano-SIM (Dual Standby)
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 Hotspot
Bluetooth v5.2 5.2 A2DP LE
NFC No Yes
Sensors Side-mounted Fingerprint Sensor Accelerometer Compass Proximity Sensor Virtual Gyroscope Ambient Light Sensor Fingerprint Sensor Accelerometer Proximity Sensor Compass Physical Gyroscope Infrared (IR) Blaster
USB USB Type-C 2.0, OTG USB Type-C OTG Supported

“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 20 or Tecno Spark Slim?

Tecno Spark Slim comes out ahead on our combined spec score, leading by 6.8 points. It wins on performance, battery & charging and display. Tecno Spark 20 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 20 and Tecno Spark Slim in Pakistan?

Tecno Spark 20 is listed at PKR 30,999 and Tecno Spark Slim at PKR 43,999. That makes Tecno Spark 20 cheaper by PKR 13,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Tecno Spark 20 or Tecno Spark Slim?

Tecno Spark 20 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, Tecno Spark 20 or Tecno Spark Slim?

Tecno Spark Slim leads on battery. Tecno Spark 20 carries a 5000 mAh cell and Tecno Spark Slim a 5160 mAh cell, with 18W and 45W wired charging respectively.

Which is better for gaming, Tecno Spark 20 or Tecno Spark Slim?

Tecno Spark Slim is the stronger gaming phone here. Tecno Spark 20 runs the MediaTek Helio G85 (12nm) while Tecno Spark Slim runs the MediaTek Helio G200 (6nm).

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.