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Motorola RAZR HD (XT925) vs Samsung Galaxy S21 Ultra (SM-G998N 256GB)

Side by side comparison between Motorola RAZR HD vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S21 Ultra X Motorola RAZR HD (XT925) 04Points
4.7"
AMOLED

720x1280

8
MP

1.3mp

1GB
RAM

Dual-core

2530
mAh

(Non removable)

vs
29Points Samsung Galaxy S21 Ultra (SM-G998N 256GB) Compare Motorola RAZR HD X
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998N 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!

RAZR HD (XT925)} 4 Advantages Motorola RAZR HD (XT925) vs Galaxy S21 Ultra (SM-G998N 256GB)} 29 Advantages Samsung Galaxy S21 Ultra (SM-G998N 256GB)
+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards
vsNot supported
+146 grams (5.11 ounces)55%
Lighter
vs227 grams (7.95 ounces)
+8.4 millimeters (0.33 inches)6%
Thinner
vs8.9 millimeters (0.35 inches)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
1.5GHz 32bit Dual-corevs+2.9GHz 64bit Octa-core (5nm)161%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+12GB LPDDR511 times
More RAM memory. Typically more responsive and better for multitasking.
16GB (12GB available)vs+256GB (220GB available)17 times
More internal storage for applications and files
720x1280 pixelsvs+1440x3200 pixels4 times
Higher resolution screen
312 PPIvs+516 PPI65%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.7"vs+6.8"45%
Larger screen
(back) 8MPvs+(quad camera) 108MP + 10MP + 10MP + 12MP17 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main cameravs+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.4 (aperture)vs+f/1.8 (aperture)33%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 1.3MPvs+(front) 40MP29 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
(front) HD (1280x720)vs+(front) 4K UHD (3840x2160)8 times
More image quality for recording videos with the secondary camera
Android 4.4.2 KitKatvs+Android 15Advantage
Android 15 is newer and safer
4G LTEvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE) 100 Mbpsvs+(5G SA/NSA) 5000 Mbps49 times
Faster for surfing the internet and download files
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+UWB (Ultra Wideband)Advantage
Sensors help you use the device
2530 mAhvs+5000 mAh98%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
802.11 a/b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.0 + A2DPvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
MicroUSB 2.0vs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Water splash resistant (don't immerse)vs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices
Super AMOLED / Dynamic AMOLED
16 million
LED flash
Autofocus / PDAF: phase detection autofocus on both cameras
Capacitive
Multitouch
Accelerometer
+13 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

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Change model 
ModelRAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Other model namesMotorola RAZR HD XT925, RAZR HD LTE, Motorola Vanquish갤럭시 S21 Ultra 5G (SM-G998N Single-SIM)
Country or region availablefeature not registeredSouth Korea
South Korea
BrandMotorolaSamsung
Release date10/1/20121/29/2021, Announced: 1/14/2021
Depth8.4 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)67.9 x 131.9 millimeters (2.67 x 5.19 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight146 grams (5.11 ounces)227 grams (7.95 ounces)
Build, materialsfeature not registeredAluminum frame, glass front/back
Protection against water and othersWater splash resistant (don't immerse)IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Display typeSuper AMOLEDDynamic AMOLED
Screen size4.7" inches6.8" inches
Screen-to-body ratio~68% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution720x1280 pixels1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)312 PPI516 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassGorilla Glass Victus
Refresh ratefeature not registered120Hz
Display featuresfeature not registered1500nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
System versionAndroid 4.0.4 Ice Cream Sandwich ICSAndroid 11
Firmware updateAndroid 4.4.2 KitKatAndroid 15
User Interfacefeature not registeredOne UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0

⚙️ Processor

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Chipset32bit: Qualcomm Snapdragon S4 Plus MSM896064bit: Samsung Exynos 2100 (5nm)
CPUDual-core, 1 processor:
2x 1.5GHz Krait (Dual-core)
Octa-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controllerQualcomm Adreno 225ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)feature not registeredAnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)

💽 Memory and storage

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
RAM memory1GB LPDDR212GB LPDDR5
Internal storage16GB (12GB available)256GB (220GB available)
UFS 3.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Not supported

📶 Mobile networks

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload100/50 Mbps5000/1920 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
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 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 700/800/1700/1800/2600LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Back camera (main camera)8 megapixels(quad camera)
108 megapixels
10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution3264x2448 pixels12000x9000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/2.4 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/1.33" inches
Pixel sizefeature not registered1.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationfeature not registeredOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo only main cameraHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Front camera (secondary)1.3 megapixels40 megapixels
Front camera resolution1280x1024 pixels7296x5472 pixels
Video recording (secondary)HD (1280x720)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.7µm pixel

🔉 Sound and multimedia

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more3 microphones
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, AAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
USBMicroUSB 2.0USB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputMicro HDMI Type DUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.2 + A2DP/LE
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portfeature not registeredNot supported

🧭 Sensors

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Vibrating alertSupportedSupported

🔋 Battery

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity2530 mAh5000 mAh
Charger, wattsWired charging25W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingfeature not registered15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Talk time autonomy22 hoursfeature not registered
Standby460 hours (19.2 days)feature not registered

➕ Other features

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
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, HTML5, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, White
• HDMI 1.4
• Splash-resistant KEVLAR housing
• Motorola SmartActions
• HAC (M4/T3)
• 3G/4G WiFi hotspot
• Java framework
• Colors: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support

☢️ Radiation rate

Motorola RAZR HD (XT925)Galaxy S21 Ultra (SM-G998N 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.61W/kg (head), 0.43W/kg (body)0.489W/kg (head), 1.1W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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