Phone Comparison - Samsung Galaxy M51 vs Xiaomi Redmi K30 Pro Zoom vs Xiaomi Redmi K30 Ultra

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced 2020, August 31 March, 2020 2020, August 11
Status Coming soon. Exp. release 2020, September 11 Coming Soon - March 2020 Coming soon. Exp. release 2020, August 14
Colors Blue; other colors Silver, Blue, White, Purple Black; other colors
Form Factor Candybar Candybar Candybar
Dimension 162.6 x 77.5 x 8.5 mm
(6.4 x 3.05 x 0.33 in)
163.3 x 75.4 x 8.9 mm
(6.43 x 2.97 x 0.35 in)
163.3 x 75.4 x 9.1 mm
(6.43 x 2.97 x 0.36 in)
Weight - 218 g (7.69 oz) 213 g (7.51 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)
5G Network - 5G SA/NSA 1, 3, 41, 78, 79 SA/NSA
Messaging
Build Features - Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (under display, optical)
IP53 Water resistant
glass back (Gorilla Glass 5), aluminum frame
- Fingerprint Sensor (under display, optical)
Notification LED - Yes -

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10
User Interface One UI 2.0 MIUI 11 MIUI 11
Processor Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250 Snapdragon 865 (7 nm+) Octa-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55), Mediatek Dimensity 1000+ (7nm)
GPU Adreno 618 Adreno 650 Mali-G77 MC9
RAM 6 GB 8 GB 8 GB
Internal Memory 128 GB 256 GB 512 GB
External Memory microSDXC microSDXC (uses shared SIM slot) No

display Display

Type FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 3
Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 5
HDR10+
800nit (Typ) brightness
100% DCI-P3 Wide Color Gamut
FHD+ AMOLED Capacitive Touchscreen
Corning Gorilla Glass 5
HDR10+
120Hz refresh rate
500 nits typ. brightness (advertised)
Colors 16M colors 16M colors 16M colors
Size 6.5 inches 6.67 inches 6.67 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 82.51% 87.05% 87.05%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio FM radio - Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 64 MP + 12 MP + 5 MP + 5 MP 64 MP + 8 MP + 13 MP + 2 MP 64 MP + 13 MP + 5 MP + 2 MP
Flash LED Flash LED flash Dual-LED dual-tone flash
Features 64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Panorama, HDR
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS
8 MP, (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 3x optical zoom, 30x digital zoom
13 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, depth senosr
HDR, panorama
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
13 MP, f/2.4, 123˚ (ultrawide), 1.12µm
5 MP, f/2.2, 50mm (telephoto macro), AF
2 MP, f/2.4, (depth)
HDR, panorama
Video 4K@30fps, 1080p@30fps 4320p@30fps, 2160p@30/60fps, 1080p@30/120fps, 720p@960fps; gyro-EIS 4K@30fps, 1080p@30/60fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
20 MP Motorized pop-up, f/2.2, 27mm (wide), 1/3.4", 0.8µm
HDR
1080p@30fps [Similar]
Motorized pop-up 20 MP, (wide)
HDR
1080p@30fps, 720p@120fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A; 5G HSPA 42.2/5.76 Mbps, LTE-A; 5G
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE, aptX HD 5.1, A2DP, LE, aptX HD, aptX Adaptive
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 512 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS3.0)
Expandable Storage microSDXC microSDXC (uses shared SIM slot) No
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 33W
Non-removable Li-Po Battery
Fast charging 33W, 100% in 58 min (advertised)
Quick Charge 4+
Power Delivery
Capacity 7000 mAh 4700 mAh 4400 mAh
Stand by - - -
Talk Time - - -