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Samsung Galaxy A51 (SM-A515F/DSN) vs Xiaomi Redmi K30 5G (64GB)

Side by side comparison between Samsung Galaxy A51 vs Xiaomi Redmi K30 5G phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Redmi K30 5G XSamsung Galaxy A51 (SM-A515F/DSN)09Points
Samsung Galaxy A51 (SM-A515F/DSN)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
16PointsXiaomi Redmi K30 5G (64GB)Compare Samsung Galaxy A51 X
Xiaomi Redmi K30 5G (64GB)
6.67"
IPS

1080x2400

64
MP

20mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K30 5G (64GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy A51 (SM-A515F/DSN)9 Advantages Samsung Galaxy A51 (SM-A515F/DSN)vsRedmi K30 5G (64GB)16 Advantages Xiaomi Redmi K30 5G (64GB)
+128GB (107GB available)118%
More internal storage for applications and files
vs64GB (49GB available)
+172 grams (6.02 ounces)21%
Lighter
vs208 grams (7.28 ounces)
+7.9 millimeters (0.31 inches)11%
Thinner
vs8.79 millimeters (0.35 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+405 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+(front) 32MP46%
Higher resolution secondary camera to take pictures and selfies
vs(dual front camera) 20MP + 2MP
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+ANT+Advantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
More SIM card slots. You can choose more carriers.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
2.3Ghz 64bit Octa-Corevs+2.4Ghz 64bit Octa-Core17%
More powerful processor, you can open your applications faster
eMMC 5.1vs+UFS 2.1Advantage
Fastest write and read storage.
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
6.5"vs+6.67"3%
Larger screen
(quad camera) 48MP + 12MP + 5MP + 5MPvs+(quad camera) 64MP + 8MP + 5MP + 2MP13%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
1/2" inchesvs+1/1.72" inches16%
The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)vs+f/1.9 (aperture)5%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 10vs+Android 11Advantage
Android 11 is newer and safer
4G+ LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G+ LTE-A) 600 Mbpsvs+(5G SA/NSA) 2000 Mbps2 times
Faster for surfing the internet and download files
4000 mAhvs+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+30W100%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
5.0 + A2DP/LEvs+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster

31 Common items in both devices
6GB LPDDR4X
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
16 million
1080x2400 pixels
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+24 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
ModelGalaxy A51 (SM-A515F/DSN)Redmi K30 5G (64GB)
Other model namesSamsung Galaxy A51 SM-A515F/DSNXiaomi Redmi K30 5G (64GB + 6GB RAM), M2001G7AE, M2001G7AC
Country or region available(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release dateDecember, 2019January, 2020
Depth7.9 millimeters (0.31 inches)8.79 millimeters (0.35 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)76.6 x 165.3 millimeters (3.02 x 6.51 in)
Weight172 grams (6.02 ounces)208 grams (7.28 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredAndroid 11
HardwareSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Chipset64bit - Samsung Exynos 9 Octa 9611 (10nm)64bit - Qualcomm Snapdragon 765G SDM765 (7nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
Octa-Core, 3 processors:
2.4Ghz Single-Core Kryo 475 Prime
2.2Ghz Single-Core Kryo 475 Gold
1.8Ghz Hexa-Core Kryo 475 Silver
GPU graphical controllerARM Mali-G72 MP3Qualcomm Adreno 620
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (107GB available)
eMMC 5.1
64GB (49GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplaySamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.5" inches6.67" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~84.8% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Display features60Hz120Hz, HDR10
Mobile networksSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload600/150 Mbps2000/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat15/13 (Bands 1, 3, 5, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA Sub6 (Bands 41, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
(quad camera)
64 megapixels
8MP ultrawidef/2.213mm1/4.0"1.12µm
5MP macrof/2.41/5.0"1.75µm
2MP depthf/2.4
Main camera resolution8000x6000 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/2.0 (aperture)f/1.9 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/1.72" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Front camera (secondary)32 megapixels(dual front camera)
20 megapixels
2MP depthf/2.41/5"1.75µm
Front camera resolution6528x4896 pixels5184x3840 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lens27mm lens
Sensor size1/2.8" inches1/3.4" inches
Pixel size0.8µm pixel0.8µm pixel
MultimediaSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
Infrared portNot supportedSupported
Other functionsSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Blue, Red, Purple, White
- MIUI 11, 12
- Game Turbo 2.0
- 24-bit/192kHz audio
- WiFi direct, hotspot
Power supplySamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4000 mAh4500 mAh
Charger, watts15W Fast battery charging30W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi K30 5G (64GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.369W/kg (head) | 1.59W/kg (body)feature not registered
X

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