Head to head

Oppo A18 128GB vs Tecno Spark 20

Full specification and price comparison for Pakistan, updated 28 Dec 2025.

The short answer

The Tecno Spark 20 is the stronger phone of the two, scoring 65 against 59 on our combined specification score. It leads on camera, battery & charging and memory & storage. The Oppo A18 128GB still wins on performance, 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 34,999.

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The verdict

Spec-derived

Tecno Spark 20 takes it by 5.9 points on our weighted spec score.

Performance Oppo A18 128GB 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 20 leads

Cell capacity in mAh weighted with rated wired charging output.

Display Level

Pixel density, refresh rate and panel technology.

Memory & storage Tecno Spark 20 leads

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 4,000 less.
  • Tecno Spark 20 charges 8W faster.
  • Tecno Spark 20 offers 4 GB more RAM.
  • Tecno Spark 20 ships with 128 GB more storage.
  • Tecno Spark 20 has a 42 MP higher-resolution main sensor.

Buy the Oppo A18 128GB if…

you care most about performance.

Buy the Tecno Spark 20 if…

you care most about camera, battery & charging, memory & storage and value for money.

Full specification comparison

Specification Oppo A18 128GB Tecno Spark 20
Price in Pakistan
Retail price PKR 34,999 PKR 30,999 Cheaper
Design & build
Release date September 2023 (Pakistan) December 2023
Dimensions 163.7 × 75.0 × 8.2 mm 163.7 × 75.6 × 8.5 mm
Weight 188 g Not officially specified
Water resistance no guaranteed protection IP53 dust and splash resistant
Display
Screen size 6.56 inches 6.6 inches Better
Resolution 720 × 1612 pixels (~269 ppi) 720 × 1612 pixels (HD+)
Panel type IPS LCD, 90Hz IPS LCD 90Hz
Protection Panda Glass Basic scratch-resistant glass
Performance
Chipset MediaTek Helio G85 (12 nm) MediaTek Helio G85 (12nm)
CPU Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55) Octa-core 2 × Cortex-A75 @ 2.0GHz 6 × Cortex-A55 @ 1.8GHz
GPU Mali-G52 MC2 Mali-G52 MP2
Operating system Android 13, ColorOS 13.1 Android 13 with HiOS 13.5
Memory & storage
RAM 4 GB 8GB Better
Internal storage 128 GB 128GB / 256GB eMMC 5.1 Better
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Camera
Main camera 8 MP wide + 2 MP depth 50 MP, Wide, PDAF 0.08 MP, Auxiliary Lens Dual LED Flash HDR Panorama AI Scene Detection Phase Detection Autofocus (PDAF) Better
Selfie camera 5 MP 32 MP, Wide Dual LED Flash Better
Video recording 1080p@30fps 1440p @ 30fps 1080p @ 30fps
Battery & charging
Battery capacity Non-removable Li-Po 5000 mAh Li-Ion (non-removable) 5000 mAh
Wired charging 10W wired 18W Fast Charging Better
Connectivity & extras
SIM Dual Nano-SIM 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
Bluetooth 5.3 v5.2
NFC No No
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Side-mounted Fingerprint Sensor Accelerometer Compass Proximity Sensor Virtual Gyroscope Ambient Light Sensor
USB USB Type-C 2.0 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, Oppo A18 128GB or Tecno Spark 20?

Tecno Spark 20 comes out ahead on our combined spec score, leading by 5.9 points. It wins on camera, battery & charging, memory & storage and value for money. Oppo A18 128GB 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 Oppo A18 128GB and Tecno Spark 20 in Pakistan?

Oppo A18 128GB is listed at PKR 34,999 and Tecno Spark 20 at PKR 30,999. That makes Tecno Spark 20 cheaper by PKR 4,000. Retail prices move often, so treat these as indicative.

Which has the better camera, Oppo A18 128GB or Tecno Spark 20?

Tecno Spark 20 scores higher in our camera assessment. Oppo A18 128GB uses a 8 MP main sensor against 50 MP on Tecno Spark 20, though sensor size and processing matter more than resolution alone.

Which phone has the better battery, Oppo A18 128GB or Tecno Spark 20?

Tecno Spark 20 leads on battery. Oppo A18 128GB carries a 5000 mAh cell and Tecno Spark 20 a 5000 mAh cell, with 10W and 18W wired charging respectively.

Which is better for gaming, Oppo A18 128GB or Tecno Spark 20?

Oppo A18 128GB is the stronger gaming phone here. Oppo A18 128GB runs the MediaTek Helio G85 (12 nm) while Tecno Spark 20 runs the MediaTek Helio G85 (12nm).

Related comparisons

Oppo A18 128GB vs Tecno Spark 30C Tecno Spark 20 vs Tecno Spark 30C Oppo A18 128GB vs Tecno Pova Neo Tecno Spark 20 vs Tecno Pova Neo Oppo A18 128GB vs Tecno Spark 30C 5G Tecno Spark 20 vs Tecno Spark 30C 5G Oppo A18 128GB vs Tecno Spark 30 Tecno Spark 20 vs Tecno Spark 30

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.