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Samsung Galaxy A15 (SM-A155F/DSN 256GB) vs Xiaomi Redmi Note 9 (128GB Global)

Side by side comparison between Samsung Galaxy A15 vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?

,
Compare Xiaomi Redmi Note 9 X Samsung Galaxy A15 (SM-A155F/DSN 256GB) 10Points
6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
09Points Xiaomi Redmi Note 9 (128GB Global) Compare Samsung Galaxy A15 X
6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Samsung Galaxy A15 (SM-A155F/DSN 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 A15 (SM-A155F/DSN 256GB)} 10 Advantages Samsung Galaxy A15 (SM-A155F/DSN 256GB) vs Redmi Note 9 (128GB Global)} 9 Advantages Xiaomi Redmi Note 9 (128GB Global)
+2.2GHz 64bit Octa-core (6nm)22%
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 (236GB available)123%
More internal storage for applications and files
vs128GB (106GB available)
+8.4 millimeters (0.33 inches)6%
Thinner
vs8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+90Hz50%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+396 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 11
+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
+5.3 + A2DP/LEAdvantage
Bluetooth 5.3 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
200 grams (7 ounces)vs+199 grams (6.97 ounces)1%
Lighter
6.5"vs+6.53"1%
Larger screen
(triple camera) 50MP + 5MP + 2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP5%
Higher resolution main camera
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Virtual proximity sensorvs+Proximity sensorAdvantage
Sensors help you use the device
5000 mAhvs+5020 mAh1%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

32 Common items in both devices
eMMC 5.1
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
Plastic body, glass front
16 million
1080x2340 pixels
LED flash
Only digital zoom
+25 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 A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
ModelGalaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Other model namesGalaxy A15 4G LTE SM-A155F/Dual-SIM NFCMi Redmi Note 9 M2003J15SG Global version (NFC)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date12/16/2023, Announced: 12/11/20235/12/2020, Announced: 4/30/2020
Depth8.4 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.8 x 160.1 millimeters (3.02 x 6.3 in)77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight200 grams (7 ounces)199 grams (6.97 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedWater repellent nano-coating (don't immerse)

📲 Display

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.5" inches6.53" inches
Screen-to-body ratio~84.3% (screen-to-body ratio)~83.5% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)396 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh rate90Hz60Hz
Display features800nits[peak]450nits[typ]

🤖 Operating System

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
System versionAndroid 14Android 10
Firmware updatefeature not registeredAndroid 11
User InterfaceOne UI 6.1MIUI 11 / 12

⚙️ Processor

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Chipset64bit: MediaTek Helio G99 (6nm)64bit: MediaTek Helio G85 (12nm)
CPUOcta-core, 2 processors:
2x 2.2GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
Octa-core, 2 processors:
2x 2GHz ARM-Cortex-A75 (Dual-core)
6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controllerARM Mali-G57 MC2ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)AnTuTu: 317085 (v9), 375321 (v10)
Geekbench: 1928 (v5), 1936 (v6)
AnTuTu: 200451 (v8)
Geekbench: 1292 (v5.1)

💽 Memory and storage

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
RAM memory8GB LPDDR4X4GB LPDDR4X
Internal storage256GB (236GB available)
eMMC 5.1
128GB (106GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/150 Mbps300/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat7 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/2100UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat7 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Back camera (main camera)(triple camera)
50 megapixels
5MP ultrawide f/2.2
2MP macro f/2.4
(quad camera)
48 megapixels
8MP ultrawide f/2.213mm1/4"1.12µm118°
2MP macro f/2.41.75µmAF
2MP depth f/2.41/5"1.7µm
Main camera resolution8160x6120 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: 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 sensorSupportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extras1080p@30fps
720p@120fps (slow motion)
feature not registered

📸 Front camera

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Front camera (secondary)13 megapixels13 megapixels
Front camera resolution4128x3096 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.3 (aperture)
Focal lengthfeature not registered29mm lens
Sensor sizefeature not registered1/3.06" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
LoudspeakerMono sound (not stereo)Mono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
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 A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
USBUSB 2.0 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)
Bluetooth5.3 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Virtual proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh5020 mAh
Charger, watts25W Wired fast charging18W Wired fast charging
9W Reverse charging by cable
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy51 hours (2.1 days)33 hours (1.4 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow• Colors: Forest Green, Midnight Grey, Polar White
• 22.5W charger (18W phone support)

☢️ Radiation rate

Galaxy A15 (SM-A155F/DSN 256GB)Redmi Note 9 (128GB Global)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.84W/kg (head), 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.42W/kg (head), 1.29W/kg (body)0.8W/kg (head), 1.14W/kg (body)
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