Head to head

Realme C75x vs Tecno Spark 40 5G

Full specification and price comparison for Pakistan, updated 2 Aug 2026.

The short answer

The Realme C75x and the Tecno Spark 40 5G 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.

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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 Realme C75x leads

Cell capacity in mAh weighted with rated wired charging output.

Display Level

Pixel density, refresh rate and panel technology.

Memory & storage Realme C75x leads

Highest advertised RAM and internal storage configuration.

Value for money Level

Combined spec score divided by current Pakistani retail price.

What actually differs

  • Tecno Spark 40 5G packs a 400 mAh larger battery.
  • Realme C75x charges 27W faster.
  • Realme C75x offers 8 GB more RAM.
  • Tecno Spark 40 5G ships with 128 GB more storage.

Buy the Realme C75x if…

you care most about battery & charging and memory & storage.

Buy the Tecno Spark 40 5G if…

you care most about performance.

Full specification comparison

Specification Realme C75x Tecno Spark 40 5G
Price in Pakistan
Retail price PKR 49,999 Cheaper PKR 49,999
Design & build
Release date March 8, 2025 July 2025
Dimensions 165.7 × 76.2 × 8.0 mm 167.69 × 77.87 × 7.99 mm
Weight 196 g Not officially specified
Water resistance IP66 – Dust-tight and protected against powerful water jets. IP68 – Water resistant for immersion in fresh water under specified conditions. IP69 – Protected against high-pressure and high-temperature water jets. Also certified to MIL-STD-810H for enhanced durability and drop resistance. IP64 Certified
Display
Screen size 6.67 inches 6.67 inches
Resolution 720 × 1604 pixels (HD+) Better 720 × 1600 pixels (HD+)
Panel type IPS LCD 500 nits (typical), 625 nits (HBM) 16.7 million colors IPS LCD 120Hz Up to 700 nits (HBM)
Protection ArmorShell Glass protection Panda Glass
Performance
Chipset MediaTek Helio G81 Ultra (12nm) MediaTek Dimensity 6400 5G+
CPU Octa-core (2×2.0 GHz Cortex-A75 + 6×1.8 GHz Cortex-A55) Octa-core
GPU Mali-G52 MC2 Mali-G57 MC2
Operating system Android 15 realme UI 6.0 Android 15 HiOS 15
Memory & storage
RAM 6GB / 8GB (Up to 16GB Dynamic RAM expansion) Better 4GB / 6GB / 8GB LPDDR4X (Memory Fusion (Virtual RAM) Up to 8GB Extended RAM)
Internal storage 128GB 128GB / 256GB UFS 2.2 Better
Card slot Dedicated microSD card slot microSDXC Dedicated microSD card slot (market dependent) Expandable storage up to 1TB (market dependent)
Camera
Main camera 50MP, f/1.8, PDAF LED Flash Panorama Text Scanner Night Mode Pro Mode Street Mode Underwater Mode Time-lapse Slow Motion Dual-view Video Google Lens 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
Selfie camera 5MP, f/2.2 Panorama Night Mode Portrait Time-lapse Underwater Mode Dual-view Video 8 MP Wide Portrait Mode HDR Face Retouch Filters Gesture Capture Smile Capture Better
Video recording 1080p@30fps, 720p@30fps, Slow-motion 720p@120fps 1080p @ 30fps 720p @ 30fps Dual Video Time-Lapse Video Slow Motion Video
Battery & charging
Battery capacity 5600 mAh, Non-removable Li-Po battery Li-Ion (non-removable) 6000 mAh Better
Wired charging 45W SUPERVOOC Fast Charging Reverse Wired Charging 0–100% in approximately 90 minutes Battery designed to retain over 80% health after 1,000 charging cycles Better 18W Fast Charging
Connectivity & extras
SIM Dual SIM (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 Wi-Fi Hotspot
Bluetooth 5.0 5.4
NFC No Yes
Sensors Side-mounted Fingerprint Scanner Accelerometer Proximity Sensor Ambient Light Sensor Compass Magnetic Sensor Software Gyroscope Side-mounted Fingerprint Scanner Face Unlock Ambient Light Sensor Proximity Sensor Accelerometer (G-Sensor) Electronic Compass Virtual Gyroscope Infrared Remote Sensor
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, Realme C75x or Tecno Spark 40 5G?

Realme C75x and Tecno Spark 40 5G 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 Realme C75x and Tecno Spark 40 5G in Pakistan?

Realme C75x is listed at PKR 49,999 and Tecno Spark 40 5G at PKR 49,999. That makes Tecno Spark 40 5G cheaper by PKR 0. Retail prices move often, so treat these as indicative.

Which phone has the better battery, Realme C75x or Tecno Spark 40 5G?

Realme C75x leads on battery. Realme C75x carries a 5600 mAh cell and Tecno Spark 40 5G a 6000 mAh cell, with 45W and 18W wired charging respectively.

Which is better for gaming, Realme C75x or Tecno Spark 40 5G?

Tecno Spark 40 5G is the stronger gaming phone here. Realme C75x runs the MediaTek Helio G81 Ultra (12nm) while Tecno Spark 40 5G runs the MediaTek Dimensity 6400 5G+.

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Tools that use this data

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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.