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CAT S61 (Dual-sim) vs Samsung Galaxy S21 Ultra (SM-G998B 512GB)

Side by side comparison between CAT S61 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

,
5.2"
IPS

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
34Points Samsung Galaxy S21 Ultra (SM-G998B 512GB) Compare CAT S61 X
6.8"
AMOLED

1440x3200

108
MP

40mp

16GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 512GB)

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!

S61 (Dual-sim)} 5 Advantages CAT S61 (Dual-sim) vs Galaxy S21 Ultra (SM-G998B 512GB)} 34 Advantages Samsung Galaxy S21 Ultra (SM-G998B 512GB)
+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+163 grams (5.71 ounces)39%
Lighter
vs227 grams (7.95 ounces)
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+IP68 certified, MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIP68 certified
2.2GHz 64bit Octa-corevs+2.9GHz 64bit Octa-core (5nm)19%
More powerful processor, you can open your applications faster
4GB LPDDR4vs+16GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
64GB (54GB available)vs+512GB (457GB available)7 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
13 millimeters (0.51 inches)vs+8.9 millimeters (0.35 inches)46%
Thinner
TFT IPS LCDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
Not supportedvs+HDR10+Advantage
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.
1080x1920 pixelsvs+1440x3200 pixels122%
Higher resolution screen
424 PPIvs+516 PPI22%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.2"vs+6.8"31%
Larger screen
(back) 16MPvs+(quad camera) 108MP + 10MP + 10MP + 12MP8 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
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
(front) 8MPvs+(front) 40MP4 times
Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 8.0 Oreovs+Android 15Advantage
Android 15 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) 5000 Mbps7 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+UWB (Ultra Wideband)Advantage
Sensors help you use the device
4500 mAhvs+5000 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18Wvs+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.
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
2 slots (Dual-SIM)
(dedicated slot)
vs+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 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
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
USB 2.0 Type-C reversible connectorvs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.

20 Common items in both devices
Aluminum body, glass front, plastic back / Aluminum frame, glass front/back
16 million
PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus on both cameras
Capacitive
Multitouch
Accelerometer
Ambient light sensor
+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

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
ModelS61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Other model namesCaterpillar S61, CAT S61 Dual-simGalaxy S21 Ultra 5G (SM-G998B Single-SIM)
Country or region available(Global, International)
(Global, International)
Australia
Australia
BrandCATSamsung
Release date2/22/20181/29/2021, Announced: 1/14/2021
Depth13 millimeters (0.51 inches)8.9 millimeters (0.35 inches)
Size (width x height)76 x 150 millimeters (2.99 x 5.91 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight163 grams (5.71 ounces)227 grams (7.95 ounces)
Build, materialsAluminum body, glass front, plastic backAluminum frame, glass front/back
Protection against water and othersIP68 certified: dust/waterproof over 1.5 meters and 30min.
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Display typeTFT IPS LCDDynamic AMOLED
Screen size5.2" inches6.8" inches
Screen-to-body ratio~65.4% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution1080x1920 pixels (16:9)1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)424 PPI516 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass Victus
Refresh rate60Hz120Hz
Display featuresNot supported1500nits[peak]
HDR10+
Always-On Display

🤖 Operating System

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
System versionAndroid 8.0 OreoAndroid 11
Firmware updatefeature not registeredAndroid 15
User Interfacefeature not registeredOne UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0

⚙️ Processor

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Chipset64bit: Qualcomm Snapdragon 630 SDM630 (14nm)64bit: Samsung Exynos 2100 (5nm)
CPUOcta-core, 2 processors:
4x 2.2GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-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 508 650MhzARM 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

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
RAM memory4GB LPDDR416GB LPDDR5
Internal storage64GB (54GB available)
eMMC 5.1
512GB (457GB available)
UFS 3.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload600/150 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 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12
Global version:
LTE (1, 2, 3, 5, 7, 8, 19, 20, 26, 28)
TD-LTE (38, 39, 40, 41)
USA version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66)
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Back camera (main camera)16 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 resolution4608x3456 pixels12000x9000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashDual-LED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/1.33" inches
Pixel sizefeature not registered1.8µm pixel
AutofocusPDAF on back camera and autofocus front cameraPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile 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

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Front camera (secondary)8 megapixels40 megapixels
Front camera resolution3264x2448 pixels7296x5472 pixels
Video recording (secondary)Full HD (1920x1080)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

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellationNot supported3 microphones
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

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
USBUSB 2.0 Type-C reversible connectorUSB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Vibrating alertSupportedSupported

🔋 Battery

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh5000 mAh
Charger, watts18W Wired fast charging
Quick Charge 4
25W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingNot supported15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Talk time autonomy35 hours (1.5 days)feature not registered
Standby888 hours (37 days)feature not registered

➕ Other features

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
Call controlVoice dialing, Voice recorderVoice 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: Black
• FLIR Thermal Imaging back camera
• Drop-to-concrete resistance up to 1.8 meters
• Colors: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support

☢️ Radiation rate

CAT S61 (Dual-sim)Galaxy S21 Ultra (SM-G998B 512GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.24W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.714W/kg (head), 1.58W/kg (body)
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