Head to head

Tecno Spark 40 5G vs Tecno Spark Slim

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

The short answer

The Tecno Spark 40 5G and the Tecno Spark Slim finish within three points of each other on our combined specification score, so neither is a clear winner. Tecno Spark 40 5G leads on performance. The Tecno Spark Slim is the cheaper of the two at PKR 43,999 against PKR 49,999.

View raw data
Add another phone to this comparison

Up to 4 devices can share one comparison table.

The verdict

Spec-derived

Too close to call. These two finish within three points of each other, so the right answer depends on which category matters most to you.

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 Tecno Spark 40 5G 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 Slim leads

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Tecno Spark Slim costs PKR 6,000 less.
  • Tecno Spark 40 5G packs a 840 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 40 5G if…

you care most about performance and battery & charging.

Buy the Tecno Spark Slim if…

you care most about display and value for money.

Full specification comparison

Specification Tecno Spark 40 5G Tecno Spark Slim
Price in Pakistan
Retail price PKR 49,999 PKR 43,999 Cheaper
Design & build
Release date July 2025 July 2025 (global rollout began in selected markets)
Dimensions 167.69 × 77.87 × 7.99 mm 164.2 × 75.9 × 5.93 mm
Weight Not officially specified 156 g
Water resistance IP64 Certified IP64 Dust & Splash Resistant
Display
Screen size 6.67 inches 6.78 inches Better
Resolution 720 × 1600 pixels (HD+) 1224 × 2720 pixels (440 ppi) Better
Panel type IPS LCD 120Hz Up to 700 nits (HBM) AMOLED 3D Curved Display 144Hz Up to 4500 nits
Protection Panda Glass Corning Gorilla Glass 7i
Performance
Chipset MediaTek Dimensity 6400 5G+ MediaTek Helio G200 (6nm)
CPU Octa-core Octa-core 2× Cortex-A76 6× Cortex-A55
GPU Mali-G57 MC2 Mali-G57 MC2
Operating system Android 15 HiOS 15 Android 15 HIOS 15
Memory & storage
RAM 4GB / 6GB / 8GB LPDDR4X (Memory Fusion (Virtual RAM) Up to 8GB Extended RAM) 8GB Up to 8GB Virtual RAM (Memory Fusion)
Internal storage 128GB / 256GB UFS 2.2 128GB / 256GB
Card slot microSDXC Dedicated microSD card slot (market dependent) Expandable storage up to 1TB (market dependent) microSDXC (market dependent)
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 PDAF Autofocus HDR Panorama AI Camera Portrait Mode Night Mode Beauty Mode Dual LED Flash
Selfie camera 8 MP Wide Portrait Mode HDR Face Retouch Filters Gesture Capture Smile Capture 13 MP AI Beauty Portrait Screen Flash Better
Video recording 1080p @ 30fps 720p @ 30fps Dual Video Time-Lapse Video Slow Motion Video 1440p 1080p
Battery & charging
Battery capacity Li-Ion (non-removable) 6000 mAh Better Li-Ion (non-removable) 5160 mAh
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 Wi-Fi Hotspot Wi-Fi 802.11 a/b/g/n/ac Dual-band Wi-Fi Direct Hotspot
Bluetooth 5.4 5.2 A2DP LE
NFC Yes Yes
Sensors Side-mounted Fingerprint Scanner Face Unlock Ambient Light Sensor Proximity Sensor Accelerometer (G-Sensor) Electronic Compass Virtual Gyroscope Infrared Remote 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 40 5G or Tecno Spark Slim?

Tecno Spark 40 5G and Tecno Spark Slim finish within a few points of each other, so neither is a clear winner on paper. Pick the one that leads in the category you care about most.

What is the price of Tecno Spark 40 5G and Tecno Spark Slim in Pakistan?

Tecno Spark 40 5G is listed at PKR 49,999 and Tecno Spark Slim at PKR 43,999. That makes Tecno Spark Slim 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 Tecno Spark Slim?

Tecno Spark 40 5G leads on battery. Tecno Spark 40 5G carries a 6000 mAh cell and Tecno Spark Slim a 5160 mAh cell, with 18W and 45W wired charging respectively.

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

Tecno Spark 40 5G is the stronger gaming phone here. Tecno Spark 40 5G runs the MediaTek Dimensity 6400 5G+ while Tecno Spark Slim runs the MediaTek Helio G200 (6nm).

Related comparisons

Tecno Spark 40 5G vs Tecno Spark 30 5G Tecno Spark Slim vs Tecno Spark 30 5G Tecno Spark 40 5G vs Tecno Camon 19 Pro Tecno Spark Slim vs Tecno Camon 19 Pro Tecno Spark 40 5G vs TECNO POVA 5 Pro 5G Free Fire Special Edition Tecno Spark Slim vs TECNO POVA 5 Pro 5G Free Fire Special Edition Tecno Spark 40 5G vs Tecno Spark 20 Pro 5G Tecno Spark Slim vs Tecno Spark 20 Pro 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.