Xiaomi Redmi K100
$525
Xiaomi Redmi K100 vs Vivo V21
Vivo V21
$399
| Redmi K100 | V21 | |
|---|---|---|
| Price | USD 525 | USD 399 |
| Battery | 10000 mAh | 4000 mAh |
| Charging (W) | 100 | 33 |
| RAM | 12 GB | 8 GB |
| Storage | 256 GB | 128 GB |
| Chipset | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 800U |
| Display | 6.83" • AMOLED • 165Hz | 6.44" • AMOLED • 90Hz |
| Main Camera | 50MP | 64MP |
| Front Camera | 20MP | 44MP |
| OS | Android 17 | Android 11 |
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Key Differences
Only the differences that meaningfully separate these phones.
Price
USD 126 cheaper
V21USD 399
vsRedmi K100USD 525
RAM
4 GB more RAM
Redmi K10012 GB RAM
vsV218 GB RAM
Storage
2× more storage
Redmi K100256 GB
vsV21128 GB
Battery
150% larger battery
Redmi K10010,000 mAh
vsV214,000 mAh
Charging
67 W faster wired charging
Redmi K100100 W wired
vsV2133 W wired
Performance
Different chipsets
Redmi K100Qualcomm Snapdragon 8 Elite
vsV21MediaTek Dimensity 800U
Display
Larger165Hz
Redmi K1006.83″ · 165Hz
vsV216.44″ · 90Hz
Best For
Where each phone stands out based on this comparison.
Best if you want
More hardwareXiaomi Redmi K100
More RAM and storage12 GB RAM · 256 GB
Larger battery10,000 mAh
Faster wired charging100 W wired
Larger 165Hz display6.83″ · 165Hz
Best if you want
Lower priceVivo V21
Much lower purchase priceUSD 399
Smaller 6.44-inch display6.44″
What CompareTab says about Xiaomi Redmi K100 vs Vivo V21
Xiaomi Redmi K100 has clear advantages in memory, battery capacity and display refresh rate over V21, with 12 GB of RAM versus 8 GB, 256 GB of storage versus 128 GB, a 10000 mAh battery versus 4000 mAh, and a 165 Hz display instead of 90 Hz. It also adds 100W charging. Vivo V21, however, is around $126 cheaper, lighter at 176 g versus 234.5 g, and thinner at 7.29 mm versus 8.65 mm and has a higher-resolution 44 MP front camera. The main trade-off is Redmi K100’s extra RAM, storage, faster charging, battery capacity, and smoother display versus V21’s lower price, lighter, thinner build, and higher-resolution front camera.
