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Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) vs Xiaomi Redmi 4A (16GB)

Side by side comparison between Samsung Galaxy S23 Ultra vs Xiaomi Redmi 4A phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi 4A X Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) 33Points
6.8"
AMOLED

1440x3088

200
MP

12mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
5"
IPS

720x1280

13
MP

5mp

2GB
RAM

Quad-core

3120
mAh

(Non removable)

What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)

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 S23 Ultra (SM-S918B/DS 256GB/8GB)} 33 Advantages Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) vs Redmi 4A (16GB)} 5 Advantages Xiaomi Redmi 4A (16GB)
+3.36GHz 64bit Octa-core (4nm)117%
More powerful processor, you can open your applications faster
vs1.4GHz 64bit Quad-core
+8GB LPDDR5X3 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+256GB (218GB available)21 times
More internal storage for applications and files
vs16GB (10GB available)
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1440x3088 pixels4 times
Higher resolution screen
vs720x1280 pixels
+501 PPI70%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs294 PPI
+6.8"36%
Larger screen
vs5"
+(quad camera) 200MP + 10MP + 10MP + 12MP17 times
Higher resolution main camera
vs(back) 13MP
+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
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+f/1.7 (aperture)29%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.2 (aperture)
+(front) 12MP144%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)8 times
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 6.0.1 Marshmallow
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE
+(5G Sub6) 3000 Mbps19 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh60%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3120 mAh
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
vs802.11 b/g/n [wifi4]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.3 + A2DP/LEAdvantage
Bluetooth 5.3 + A2DP/LE is newer and faster
vs4.1 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsMicroUSB 2.0
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+Gorilla Glass Victus 2Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
234 grams (8.19 ounces)vs+132 grams (4.62 ounces)77%
Lighter
8.9 millimeters (0.35 inches)vs+8.5 millimeters (0.33 inches)5%
Thinner
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

17 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus on both cameras / Autofocus
Capacitive
Multitouch
Accelerometer
Ambient light sensor
+10 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 S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
ModelGalaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Other model namesGalaxy S23 Ultra 5G (SM-S918B/Dual-SIM)Xiaomi Redmi 4a 2016111, Redmi 4a 2016117 Global
Country or region available(Global, International)
(Global, International)
(Global, International)Saudi ArabiaBrazilChinaUnited Arab Emirates(Europe)IndiaIndonesiaMalaysiaRussiaVietnam
(Global, International), Saudi Arabia, Brazil, China, United Arab Emirates, (Europe), India, Indonesia, Malaysia, Russia, Vietnam
BrandSamsungXiaomi
Release date2/17/2023, Announced: 2/1/202311/11/2016
Depth8.9 millimeters (0.35 inches)8.5 millimeters (0.33 inches)
Size (width x height)78.1 x 163.4 millimeters (3.07 x 6.43 in)70.4 x 139.9 millimeters (2.77 x 5.51 in)
Weight234 grams (8.19 ounces)132 grams (4.62 ounces)
Build, materialsAluminum frame, glass front/back
Back: Gorilla Glass Victus 2
feature not registered
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.8" inches5" inches
Screen-to-body ratio~89.5% (screen-to-body ratio)~70% (screen-to-body ratio)
Display resolution1440x3088 pixels720x1280 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)501 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass Victus 2Not supported
Refresh rate120Hzfeature not registered
Display features1750nits[peak]
HDR10+
Always-On Display
feature not registered

🤖 Operating System

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
System versionAndroid 13Android 6.0.1 Marshmallow
Firmware updateAndroid 14feature not registered
User InterfaceOne UI 5.1 / 6.0feature not registered

⚙️ Processor

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Chipset64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm)64bit: Qualcomm Snapdragon 425 MSM8917 (28nm)
CPUOcta-core, 4 processors:
1x 3.36GHz ARM Cortex-X3 (Single-core)
2x 2.8GHz ARM Cortex-A710 (Dual-core)
2x 2.8GHz ARM Cortex-A715 (Dual-core)
3x 2GHz ARM Cortex-A510 (Triple-core)
Quad-core, 1 processor:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 740Qualcomm Adreno 308 500Mhz
Performance (benchmark)AnTuTu: 1241613 (v9)
Geekbench: 4927 (v5.1)
GFXBench: 67fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
RAM memory8GB LPDDR5X2GB LPDDR3
Internal storage256GB (218GB available)
UFS 4.0
16GB (10GB available)
External storageNot supportedUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload3000/1920 Mbps150/50 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
UMTS 850/900/1700/1900/2100
Global model:
UMTS 850/900/1900/2100
India model:
UMTS 900/2100
Asia model:
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
LTE Cat4
Global/Asia model:
LTE 800/850/1700/1800/2100/2600 (Bands 1,3,4,5,7,20)
TD-LTE 2300/2600 (Bands 38,40)
India model:
LTE 850/1800 (Bands 3,5)
TD-LTE 2300 (Bands 40)
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Not supported
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE

📷 Camera

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Back camera (main camera)(quad camera)
200 megapixels
10MP periscope telephoto f/4.9230mm1/3.52"1.12µmPDAFOIS10x-optical-zoom
10MP telephoto f/2.470mm1/3.52"1.12µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.213mm120°1/2.55"1.4µmPDAFSuper-Steady
13 megapixels
Main camera resolution20000x10000 pixels4128x3096 pixels
Video recording (primary)8K UHD (7680x4320) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length24mm (lens)feature not registered
Sensor size1/1.3" inchesfeature not registered
Pixel size0.6µm pixelfeature not registered
AutofocusPDAF: phase detection autofocus on both camerasAutofocus
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 only main camera
Camera extras8K@24/30fps
4K@30/60fps
1080p@30/60fps
1080p@240/960fps (slow motion)
HDR10+
feature not registered

📸 Front camera

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Front camera (secondary)12 megapixels5 megapixels
Front camera resolution4000x3000 pixels2560x1920 pixels
Video recording (secondary)4K UHD (3840x2160)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm (lens)feature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation3 microphones2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.3 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity5000 mAh3120 mAh
Charger, watts45W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
Wired charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
feature not registered
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red
• Samsung DeX
• Samsung Pay (Visa, MasterCard)
• S Pen (Stylus Pen): Bluetooth 2.8ms latency
• Colors: Gold, Rose Gold, Dark Gray
• MIUI 8
• VoLTE

☢️ Radiation rate

Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)Redmi 4A (16GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.98W/kg (head), 1.1W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.963W/kg (head), 1.398W/kg (body)feature not registered
X

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