Samsung Galaxy A51 5G UW vs Xiaomi Redmi K100 Pro
Product
Price
550 USD
550 USD
Status
Available
Available
Brand
Samsung Mobile
Xiaomi Mobiles
Model No
Galaxy A51 5G UW
Xiaomi Redmi K100 Pro
Launch Date
2020, August 15
2026, September 02
Wikipedia
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
2, 4, 5, 13, 66
LTE
5G bands
260, 261 mmWave
SA/NSA
Speed
HSPA 42.2/5.76 Mbps, LTE-A, 5G
HSPA, LTE, 5G
Dimensions
158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
157.5 x 75.3 x 8.6 mm (6.20 x 2.96 x 0.34 in)
Weight
188.8 g (6.67 oz)
218 g (7.69 oz)
Build
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Glass front, aluminum frame
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
SIM
Pre-installed Nano-SIM
Nano-SIM + Nano-SIM
Colors
Prism Bricks Blue
Black, White, Light Green, Red (Burgundy)
Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 68B colors, 185Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4500 nits (peak)
Size
6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio)
6.59 inches, 106.5 cm2 (~89.8% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1156 x 2510 pixels, 19.5:9 ratio (~419 ppi density)
OS
Android 10, One UI 2
Android 16, HyperOS 3
Chipset
Qualcomm SDM765 Snapdragon 765G (7 nm)
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 620
Adreno 840
RAM
6GB
12GB/16GB
Storage
128GB , UFS 2.1
256GB/512GB
UFS 4.1
Card Slot
microSDXC (uses shared SIM slot)
Lens 1
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
200 MP, f/1.7, 24mm (wide), 0.5µm, PDAF, OIS
Lens 2
12 MP, f/2.2, 123˚ (ultrawide)
50 MP, f/2.0, 60mm (telephoto), 1/2.75", 0.64µm, PDAF (10cm - ∞), OIS, 2.5x optical zoom
Lens 3
5 MP, f/2.4, (macro)
8 MP, 112˚ (ultrawide)
Lens 4
5 MP, f/2.2, (depth)
Features
LED flash, panorama, HDR
Color spectrum sensor, LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/120fps; gyro-EIS
4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+
Lens 1
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
Features
HDR
Video
1080p@30fps
4K@30fps, 1080p@30/60fps
Capacity
Li-Po 4500 mAh, non-removable
Si/C Li-Ion 8500 mAh
Charging
Fast charging 15W
100W wired, PD3.0, QC3+, 100W PPS
50W wireless
22.5W reverse wireless
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
ANT+
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Loudspeaker
Yes
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
6.0, A2DP, LE, LHDC 5.0, ASHA, MIHC, Auracast
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
NFC
Yes
Yes
Radio
FM radio, RDS, recording
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C, OTG