Head to head

Tecno Spark 20C vs Tecno Spark Slim

Full specification and price comparison for Pakistan, updated 10 Aug 2026.

The short answer

The Tecno Spark Slim is the stronger phone of the two, scoring 71 against 63 on our combined specification score. It leads on performance, battery & charging and display. The Tecno Spark 20C still wins on value for money, so it remains the better choice if that is your priority. The Tecno Spark 20C is the cheaper of the two at PKR 27,999 against PKR 43,999.

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The verdict

Spec-derived

Tecno Spark Slim takes it by 8.8 points on our weighted spec score.

Performance Tecno Spark Slim 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 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 Tecno Spark Slim leads

Highest advertised RAM and internal storage configuration.

Value for money Tecno Spark 20C leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Tecno Spark 20C costs PKR 16,000 less.
  • Tecno Spark Slim packs a 160 mAh larger battery.
  • Tecno Spark Slim charges 27W faster.
  • Tecno Spark Slim ships with 128 GB more storage.
  • Tecno Spark Slim uses an OLED panel while the other sticks with LCD.

Buy the Tecno Spark 20C if…

you care most about value for money.

Buy the Tecno Spark Slim if…

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

Full specification comparison

Specification Tecno Spark 20C Tecno Spark Slim
Price in Pakistan
Retail price PKR 27,999 Cheaper PKR 43,999
Design & build
Release date November 2023 July 2025 (global rollout began in selected markets)
Dimensions 163.69 × 75.60 × 8.55 mm 164.2 × 75.9 × 5.93 mm
Weight 189 g 156 g Better
Water resistance Not specified IP64 Dust & Splash Resistant
Display
Screen size 6.6 inches 6.78 inches Better
Resolution 720 × 1612 pixels (267 PPI) 1224 × 2720 pixels (440 ppi) Better
Panel type IPS LCD 90Hz AMOLED 3D Curved Display 144Hz Up to 4500 nits
Protection Not specified Corning Gorilla Glass 7i
Performance
Chipset MediaTek Helio G36 MediaTek Helio G200 (6nm)
CPU Octa-core Octa-core 2× Cortex-A76 6× Cortex-A55
GPU PowerVR GE8320 Mali-G57 MC2
Operating system Android 13 HiOS 13 Android 15 HIOS 15
Memory & storage
RAM 4GB / 8GB 8GB Up to 8GB Virtual RAM (Memory Fusion)
Internal storage 128GB 128GB / 256GB Better
Card slot Dedicated microSDXC Slot microSDXC (market dependent)
Camera
Main camera 50MP AI Camera PDAF Dual-LED Flash HDR Panorama 50 MP PDAF Autofocus HDR Panorama AI Camera Portrait Mode Night Mode Beauty Mode Dual LED Flash
Selfie camera 8MP Dual-LED Flash 13 MP AI Beauty Portrait Screen Flash Better
Video recording 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 SIM, Dual Standby Dual Nano-SIM (Dual Standby)
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac Wi-Fi Bands: 2.4 GHz / 5 GHz Wi-Fi 802.11 a/b/g/n/ac Dual-band Wi-Fi Direct Hotspot
Bluetooth 5.1 5.2 A2DP LE
NFC No Yes
Sensors Fingerprint: Side-mounted; Accelerometer; Proximity; Ambient Light; Compass; Face Unlock. 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 20C or Tecno Spark Slim?

Tecno Spark Slim comes out ahead on our combined spec score, leading by 8.8 points. It wins on performance, battery & charging, display and memory & storage. Tecno Spark 20C 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 20C and Tecno Spark Slim in Pakistan?

Tecno Spark 20C is listed at PKR 27,999 and Tecno Spark Slim at PKR 43,999. That makes Tecno Spark 20C cheaper by PKR 16,000. Retail prices move often, so treat these as indicative.

Which phone has the better battery, Tecno Spark 20C or Tecno Spark Slim?

Tecno Spark Slim leads on battery. Tecno Spark 20C 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 20C or Tecno Spark Slim?

Tecno Spark Slim is the stronger gaming phone here. Tecno Spark 20C runs the MediaTek Helio G36 while Tecno Spark Slim runs the MediaTek Helio G200 (6nm).

Related comparisons

Tecno Spark 20C vs Tecno Spark Go 2024 Tecno Spark Slim vs Tecno Spark Go 2024 Tecno Spark 20C vs Tecno Spark 20 Tecno Spark Slim vs Tecno Spark 20 Tecno Spark 20C vs Tecno Spark 30C Tecno Spark Slim vs Tecno Spark 30C Tecno Spark 20C vs Tecno Pova Neo Tecno Spark Slim vs Tecno Pova 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.