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Redmi K40 Galaxy S21

Redmi K40
ACorner A
Redmi K40
Redmi · Phones
Swap
VS
Galaxy S21
BCorner B
Galaxy S21
Samsung · Phones
3,000 SARiOfficial prices are from the manufacturer. Estimated prices are based on average prices from Amazon, Noon, Alibaba, and eXtra in the Saudi market.
Swap
Wins by spec 5 A rows 2 B rows 7 ties

Key differences

At a glance
ARedmi K40 Released: Feb 2021 vs Jan 2021
ARedmi K40 Display Size: 6.67" vs 6.2"
ARedmi K40 Battery: 4,520mAh vs 4,000mAh
BGalaxy S21 RAM: 8GB vs 6GB
BGalaxy S21 Weight: 169g vs 196g
=Even on: Price — 3,350 – 4,550 SAR vs —

Comparing Redmi K40 vs Galaxy S21? 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
WIN Feb 2021
Jan 2021
Price
3,350 – 4,550 SAR
—
Released
A WIN Feb 2021
B Jan 2021
Price
A 3,350 – 4,550 SAR
B —

02Display

3 rows
Display Size in
WIN 6.67"
6.2"
Resolution px
1080x2400
1080x2400
Refresh Rate Hz
120Hz
120Hz
Display Sizein
A WIN 6.67"
B 6.2"
Resolutionpx
A 1080x2400
B 1080x2400
Refresh RateHz
A 120Hz
B 120Hz

03Performance

3 rows
RAM GB
6GB
WIN 8GB
Processor
Qualcomm Snapdragon 870
Exynos 2100 (2.9GHz)
Storage GB
128GB
128GB
RAMGB
A 6GB
B WIN 8GB
Processor
A Qualcomm Snapdragon 870
B Exynos 2100 (2.9GHz)
StorageGB
A 128GB
B 128GB

04Battery

1 rows
Battery mAh
WIN 4,520mAh
4,000mAh
BatterymAh
A WIN 4,520mAh
B 4,000mAh

05Camera

2 rows
Main Camera MP
WIN 48MP
12MP
Front Camera MP
WIN 20MP
10MP
Main CameraMP
A WIN 48MP
B 12MP
Front CameraMP
A WIN 20MP
B 10MP

06Design

2 rows
Weight g
196g
WIN 169g
Water Resistance
IP53
IP68
Weightg
A 196g
B WIN 169g
Water Resistance
A IP53
B IP68

07Software

1 rows
OS
Android 11 (MIUI)
Android 11
OS
A Android 11 (MIUI)
B Android 11

Redmi K40 leads Galaxy S21 on 5 specs vs 2. Check the full table and decide based on the specs that matter most to you.

Redmi K40 vs Galaxy S21 — display, performance, cameras, battery, price, and key differences. Side by side.

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Saudi Retailer Prices

Galaxy S21
3,000 SAR
3,000 SAR – 3,000 SAR
1 Saudi retailer In 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.