Samsung Galaxy S21 5G
Samsung
PKR 169,999
74/100 overall
Full specs & reviewHead to head
Samsung Galaxy S21 5G vs Xiaomi Redmi K100 Pro
Full specification and price comparison for Pakistan, updated 18 Aug 2026.
The short answer
The Xiaomi Redmi K100 Pro is the stronger phone of the two, scoring 89 against 74 on our combined specification score. It leads on camera, battery & charging and memory & storage. The Samsung Galaxy S21 5G still wins on performance, so it remains the better choice if that is your priority. The Xiaomi Redmi K100 Pro is the cheaper of the two at PKR 168,999 against PKR 169,999.
Xiaomi Redmi K100 Pro
Redmi
PKR 168,999
89/100 overall
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The verdict
Spec-derivedXiaomi Redmi K100 Pro takes it by 15 points on our weighted spec score.
What actually differs
- Xiaomi Redmi K100 Pro costs PKR 1,000 less.
- Xiaomi Redmi K100 Pro packs a 4,580 mAh larger battery.
- Xiaomi Redmi K100 Pro charges 75W faster.
- Xiaomi Redmi K100 Pro offers 8 GB more RAM.
- Xiaomi Redmi K100 Pro ships with 256 GB more storage.
- Xiaomi Redmi K100 Pro has a 136 MP higher-resolution main sensor.
Buy the Samsung Galaxy S21 5G if…
you care most about performance.
Buy the Xiaomi Redmi K100 Pro if…
you care most about camera, battery & charging, memory & storage and value for money.
Full specification comparison
| Specification | Samsung Galaxy S21 5G | Xiaomi Redmi K100 Pro |
|---|---|---|
| Price in Pakistan | ||
| Retail price | PKR 169,999 | PKR 168,999 Cheaper |
| Design & build | ||
| Release date | January 14, 2021 | August 11, 2026 |
| Dimensions | 151.7 x 71.2 x 7.9 mm | Not officially confirmed |
| Weight | 169 g | Not officially confirmed |
| Water resistance | IP68 dust and water resistant (up to 1.5 m for 30 minutes) | IP66 / IP68 / IP69 |
| Display | ||
| Screen size | 6.2 inches | 6.59 inches Better |
| Resolution | 2400 x 1080 pixels | 2756 × 1280 pixels Better |
| Panel type | Dynamic AMOLED 2X Adaptive 120Hz HDR10+ | OLED 185Hz 68 billion colors HDR10+ Dolby Vision Up to 3200 nits |
| Protection | Corning Gorilla Glass Victus | Xiaomi Dragon Crystal Glass |
| Performance | ||
| Chipset | Samsung Exynos 2100 (5 nm) / Qualcomm Snapdragon 888 (5 nm), depending on market | Qualcomm Snapdragon 8 Elite Gen 5 V (3nm) |
| CPU | Octa-core Up to 2.9 GHz on Exynos version | Octa-Core 2 × Oryon V3 Phoenix L + 6 × Oryon V3 Phoenix M |
| GPU | Mali-G78 MP14 / Adreno 660, depending on chipset | Adreno 840 |
| Operating system | Android 11, One UI 3.1 | Android 16 HyperOS 3 |
| Memory & storage | ||
| RAM | 8GB | 12GB / 16GB LPDDR5X Ultra Better |
| Internal storage | 128GB / 256GB LPDDR5 | 256GB / 512GB Better |
| Card slot | No | No |
| Camera | ||
| Main camera | 12MP + 64MP + 12MP, OIS, PDAF, 3x Hybrid Optical Zoom, up to 30x Space Zoom | 200MP + 50MP Telephoto (2.5x Optical Zoom) + 8MP Ultrawide, OIS, PDAF, Dual-LED Flash, Better |
| Selfie camera | 10MP, f/2.2, Dual Pixel PDAF LED flash, HDR, panorama | 50MP, Wide HDR, Panorama, Autofocus AI Camera, AI Portrait, Night Mode, Pro Mode, Slow Motion, Time-Lapse, Gyro-EIS Better |
| Video recording | Up to 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps |
| Battery & charging | ||
| Battery capacity | Li-Ion (non-removable) 4000 mAh | Silicon-Carbon 8,580 mAh Non Removable Battery Better |
| Wired charging | 25W wired, 15W wireless, 4.5W reverse wireless charging | 100W wired, 50W wireless, 27W reverse wired, 22.5W reverse wireless Better |
| Connectivity & extras | ||
| SIM | Nano-SIM + eSIM | Dual Nano-SIM |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi 6 | Wi-Fi 7, Dual-Band, Wi-Fi Direct |
| Bluetooth | 5.0 | 5.4, A2DP, LE |
| NFC | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer, Hall Sensor, Ambient Light Sensor, Ultrasonic Fingerprint Sensor | Fingerprint (under-display, ultrasonic), accelerometer, gyroscope, proximity, compass, ambient light sensor, color spectrum sensor, infrared sensor |
| USB | USB Type-C 3.2 Gen 1 | USB Type-C 3.2 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, Samsung Galaxy S21 5G or Xiaomi Redmi K100 Pro?
Xiaomi Redmi K100 Pro comes out ahead on our combined spec score, leading by 15 points. It wins on camera, battery & charging, memory & storage and value for money. Samsung Galaxy S21 5G 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 Samsung Galaxy S21 5G and Xiaomi Redmi K100 Pro in Pakistan?
Samsung Galaxy S21 5G is listed at PKR 169,999 and Xiaomi Redmi K100 Pro at PKR 168,999. That makes Xiaomi Redmi K100 Pro cheaper by PKR 1,000. Retail prices move often, so treat these as indicative.
Which has the better camera, Samsung Galaxy S21 5G or Xiaomi Redmi K100 Pro?
Xiaomi Redmi K100 Pro scores higher in our camera assessment. Samsung Galaxy S21 5G uses a 64 MP main sensor against 200 MP on Xiaomi Redmi K100 Pro, though sensor size and processing matter more than resolution alone.
Which phone has the better battery, Samsung Galaxy S21 5G or Xiaomi Redmi K100 Pro?
Xiaomi Redmi K100 Pro leads on battery. Samsung Galaxy S21 5G carries a 4000 mAh cell and Xiaomi Redmi K100 Pro a 8580 mAh cell, with 25W and 100W wired charging respectively.
Which is better for gaming, Samsung Galaxy S21 5G or Xiaomi Redmi K100 Pro?
Samsung Galaxy S21 5G is the stronger gaming phone here. Samsung Galaxy S21 5G runs the Samsung Exynos 2100 (5 nm) / Qualcomm Snapdragon 888 (5 nm), depending on market while Xiaomi Redmi K100 Pro runs the Qualcomm Snapdragon 8 Elite Gen 5 V (3nm).
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Tools that use this data
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.