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Samsung Galaxy S10 5G (SM-G977U 256GB) vs Xiaomi Redmi 9 (128GB/4GB)

Side by side comparison between Samsung Galaxy S10 5G vs Xiaomi Redmi 9 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi 9 X Samsung Galaxy S10 5G (SM-G977U 256GB) 35Points
6.7"
AMOLED

1440x3040

12.2
MP

10mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
03Points Xiaomi Redmi 9 (128GB/4GB) Compare Samsung Galaxy S10 5G X
6.53"
IPS

1080x2340

13
MP

8mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Samsung Galaxy S10 5G (SM-G977U 256GB)

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 S10 5G (SM-G977U 256GB)} 35 Advantages Samsung Galaxy S10 5G (SM-G977U 256GB) vs Redmi 9 (128GB/4GB)} 3 Advantages Xiaomi Redmi 9 (128GB/4GB)
+2.84GHz 64bit Octa-core (7nm)40%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+8GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+256GB (226GB available)113%
More internal storage for applications and files
vs128GB (106GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+7.9 millimeters (0.31 inches)15%
Thinner
vs9.1 millimeters (0.36 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+1440x3040 pixels73%
Higher resolution screen
vs1080x2340 pixels
+502 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+6.7"3%
Larger screen
vs6.53"
+(quad camera) 12.2MP + 12MP + 16MP + 0.3MP46%
Higher resolution main camera
vs(quad camera) 13MP + 8MP + 5MP + 2MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/2.55" inches22%
The larger sensor camera lets you take photos with better depth.
vs1/3.1" inches
+f/1.5 (aperture)47%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.2 (aperture)
+(dual front camera) 10MP + 0.3MP29%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 12Advantage
Android 12 is newer and safer
vsAndroid 11
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+ANT+Advantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+25W39%
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.
vs18W
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
4500 mAhvs+5020 mAh12%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.

21 Common items in both devices
198 grams (6.93 ounces)
60Hz
16 million
LED flash
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
+14 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
ModelGalaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Other model namesGalaxy S10 5G (Snapdragon) G977U, Samsung Beyond XXiaomi Redmi 9 M2004J19C
Country or region availableUSA
USA
China
China
BrandSamsungXiaomi
Release date5/16/2019, Announced: 2/1/20196/10/2020
Depth7.9 millimeters (0.31 inches)9.1 millimeters (0.36 inches)
Size (width x height)77.1 x 162.6 millimeters (3.04 x 6.4 in)77.01 x 163.32 millimeters (3.03 x 6.43 in)
Weight198 grams (6.93 ounces)198 grams (6.93 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.7" inches6.53" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~83.2% (screen-to-body ratio)
Display resolution1440x3040 pixels (19:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)502 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 3
Refresh rate60Hz60Hz
Display featuresHDR10+
Always-On Display
400nits[typ]

🤖 Operating System

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
System versionAndroid 9.0 PieAndroid 10
Firmware updateAndroid 12Android 11
User InterfaceOne UI 2.0 / 3.1 / 4.1MIUI 12

⚙️ Processor

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Chipset64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)64bit: MediaTek Helio G80 (MT6769V/CU) (12nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
Octa-core, 2 processors:
2x 2GHz ARM Cortex-A75 (Dual-core)
6x 1.8GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerQualcomm Adreno 640 (585MHz)ARM Mali-G52 MC2 (950MHz)
Performance (benchmark)feature not registeredAnTuTu: 201829 (v8)
Geekbench: 1325 (v5.1)

💽 Memory and storage

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
RAM memory8GB LPDDR4X4GB LPDDR4X
Internal storage256GB (226GB available)
UFS 2.1
128GB (106GB available)
eMMC 5.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps300/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNSA/Sub6 (78)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A

📷 Camera

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Back camera (main camera)(quad camera)
12.2 megapixels
12MP telephoto f/2.452mm1/3.6"1.0µmAFOIS2x-optical-zoom
16MP ultrawide f/2.212mm1/3.1"1.0µmSuper-Steady-video
0.3MP depth TOF3D
(quad camera)
13 megapixels
8MP ultrawide f/2.2118°1/4.0"1.12µm
5MP macro f/2.4
2MP depth f/2.4
Main camera resolution4032x3024 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.5 (aperture)f/2.2 (aperture)
Focal length26mm lens28mm lens
Sensor size1/2.55" inches1/3.1" inches
Pixel size1.4µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Front camera (secondary)(dual front camera)
10 megapixels
0.3MP depth TOF3D
8 megapixels
Front camera resolution3872x2592 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.9 (aperture)f/2.0 (aperture)
Focal length26mm lens27mm lens
Sensor size1/3" inches1/4" inches
Pixel size1.22µm pixel1.12µm pixel

🔉 Sound and multimedia

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Mono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
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

🔌 Connectivity

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Heart rate
Proximity sensor
SpO2
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh5020 mAh
Charger, watts25W (11V/2.25A) Wired fast charging
USB Power Delivery 3.0
18W Wired fast charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
Not supported
Talk time autonomyfeature not registered31 hours (1.3 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Majestic black, Crown silver
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)
• Colors: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue
• 10W charger included

☢️ Radiation rate

Galaxy S10 5G (SM-G977U 256GB)Redmi 9 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.46W/kg (head), 1.59W/kg (body)0.913W/kg (head), 0.999W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.711W/kg (head), 1.059W/kg (body)
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