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Redmi K40 OPPO A18

Redmi K40
ACorner A
Redmi K40
Redmi · Phones
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VS
OPPO A18
BCorner B
OPPO A18
OPPO · Budget
382 SARiOfficial prices are from the manufacturer. Estimated prices are based on average prices from Amazon, Noon, Alibaba, and eXtra in the Saudi market.
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Wins by spec 6 A rows 3 B rows 5 ties

Key differences

At a glance
ARedmi K40 Display Size: 6.67" vs 6.56
ARedmi K40 RAM: 6GB vs 4
ARedmi K40 Storage: 128GB vs 64
BOPPO A18 Released: Sep 2023 vs Feb 2021
BOPPO A18 Battery: 5000 vs 4,520mAh
=Even on: Price — 3,350 – 4,550 SAR vs —

Comparing Redmi K40 vs OPPO A18? We've got the full breakdown: specs, real Saudi market prices, and key differences — all side by side so you can pick the right one.

01Price

2 rows
Released
Feb 2021
WIN Sep 2023
Price
3,350 – 4,550 SAR
—
Released
A Feb 2021
B WIN Sep 2023
Price
A 3,350 – 4,550 SAR
B —

02Display

3 rows
Display Size in
WIN 6.67"
6.56
Resolution px
1080x2400
1612x720
Refresh Rate Hz
WIN 120Hz
90
Display Sizein
A WIN 6.67"
B 6.56
Resolutionpx
A 1080x2400
B 1612x720
Refresh RateHz
A WIN 120Hz
B 90

03Performance

3 rows
RAM GB
WIN 6GB
4
Processor
Qualcomm Snapdragon 870
MediaTek Helio G85
Storage GB
WIN 128GB
64
RAMGB
A WIN 6GB
B 4
Processor
A Qualcomm Snapdragon 870
B MediaTek Helio G85
StorageGB
A WIN 128GB
B 64

04Battery

1 rows
Battery mAh
4,520mAh
WIN 5000
BatterymAh
A 4,520mAh
B WIN 5000

05Camera

2 rows
Main Camera MP
WIN 48MP
8
Front Camera MP
WIN 20MP
5
Main CameraMP
A WIN 48MP
B 8
Front CameraMP
A WIN 20MP
B 5

06Design

2 rows
Weight g
196g
WIN 189
Water Resistance
IP53
IPX4
Weightg
A 196g
B WIN 189
Water Resistance
A IP53
B IPX4

07Software

1 rows
OS
Android 11 (MIUI)
ColorOS 13.1 (Android 13)
OS
A Android 11 (MIUI)
B ColorOS 13.1 (Android 13)

Redmi K40 leads OPPO A18 on 6 specs vs 3. Check the full table and decide based on the specs that matter most to you.

Redmi K40 vs OPPO A18 — display, performance, cameras, battery, price, and key differences. Side by side.

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Saudi Retailer Prices

OPPO A18
382 SAR
349 SAR – 399 SAR
4 Saudi retailers Out of stock

Where to buy

Pick a store to see its latest price.

📋 Phones Buying Guide
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Prices are estimated average Saudi market prices, reviewed June 2026. Actual prices vary by retailer, storage configuration, warranty, and promotions. Prices shown in Saudi Riyal. iOfficial prices are from the manufacturer. Estimated prices are based on average prices from Amazon, Noon, Alibaba, and eXtra in the Saudi market.