Samsung Galaxy S7 vs. Samsung Galaxy S21 Ultra 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy S7 and Samsung Galaxy S21 Ultra 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy S7 vs. Samsung Galaxy S21 Ultra 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G930F SM-G998B/DS
Form Factor Touch Touch
Height 142.4 mm 161.5 mm Samsung Galaxy S21 Ultra 5G has greater height than Samsung Galaxy S7.
Width 69.6 mm 75.6 mm Samsung Galaxy S21 Ultra 5G has greater width than Samsung Galaxy S7.
Depth 7.9 mm 8.9 mm Samsung Galaxy S7 is narrower than Samsung Galaxy S7.
Weight 152 g 227 g Samsung Galaxy S7 is lighter than Samsung Galaxy S7.
Body Colour Titanium silver | Black onyx | White | Black | Gold | Silver | Pink/gold | Platinum gold | White pearl Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium
Body Material Metal, glass -
Protection Dustproof, waterproof Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) Yes Yes Both phones are waterproof.
IP rating IP68 IP68
SAR Value 1.48 W/kg (body), 0.406 W/kg (head) 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Display Type OLED display OLED display
Display Technology Quad HD Super AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5.1" 6.8" Samsung Galaxy S21 Ultra 5G has larger screen size than Samsung Galaxy S7.
Screen Resolution (Display Resolution) 2560 x 1440 pixels 3200 x 1440 pixels Samsung Galaxy S21 Ultra 5G has better screen resolution than Samsung Galaxy S7.
Display Format QHD QHD+
Pixel Density 577 ppi 515 ppi Samsung Galaxy S7 has better pixel density than Samsung Galaxy S21 Ultra 5G.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR - Yes Samsung Galaxy S21 Ultra 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Always-on display Edge Screen, AOD(Always On Display)
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Processor Type (CPU) Qualcomm Snapdragon 820 Samsung Exynos 2100
Processor Number MSM8996 -
Clock Speed 2.3 GHz 2.9 GHz Samsung Galaxy S21 Ultra 5G has higher clock speed than Samsung Galaxy S7.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy S7 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 Mali-G78 MP14
MEMORY Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
RAM 4 GB LPDDR5 SDRAM - 12 GB Samsung Galaxy S21 Ultra 5G has more RAM than Samsung Galaxy S7.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Samsung Galaxy S21 Ultra 5G has more internal memory than Samsung Galaxy S7.
User Memory 24.5 GB 101.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Lens Type - Ultra wide-angle lens
Lens Aperture F/1.7 F/2.2 Samsung Galaxy S7 has better lens aperture than Samsung Galaxy S7.
Field of View (FoV) - 120 degree(s)
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Minimum Focal Length (Focal Distance) 26 mm -
Optical Zoom - 3x
Digital Zoom 8x 100x Samsung Galaxy S21 Ultra 5G has better digital zoom than Samsung Galaxy S7.
Self-Timer Delay - Yes
Special Effects - Face retouch, Grid Line
HDR Mode Auto HDR mode Auto HDR mode
Camera Modes Panorama, Pro mode, wide selfie mode, Virtual Shot, HYPERLAPSE, Motion panorama Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View
Light Source LED light High CRI LED flash
Video Resolutions 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps
Camera Features (Functions) Selective Focus, Dual Pixel technology, Motion photo, vDIS technology, Spotlight Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video
SECOND CAMERA
Sensor Resolution (2nd Camera) - 108 Megapixel
Sensor Size (2nd Camera) - 1/1.33"
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) - F/1.8
Field of View (2nd Camera) - 83 degree(s)
Pixel Size (2nd Camera) - 0.8 μm
Camera Features (2nd Camera) - Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 10 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 35 degree(s)
Pixel Size (3rd Camera) - 1.22 μm
Camera Features (3rd Camera) - Dual Pixel AF
FOURTH CAMERA
Sensor Resolution (4th Camera) - 10 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/4.9
Field of View (4th Camera) - 10 degree(s)
Pixel Size (4th Camera) - 1.22 μm
Camera Features (4th Camera) - Dual Pixel AF
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 40 Megapixels Samsung Galaxy S21 Ultra 5G has better front camera resolution than Samsung Galaxy S7.
Sensor Type (Front) CMOS -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.7 F/2.2 Samsung Galaxy S7 has better front lens aperture than Samsung Galaxy S7.
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 0.7 μm
Focus Adjustment - Automatic
HDR Mode (Front) Realtime HDR mode -
Camera Modes (Front) Slow motion video, selfie panorama -
Light Source (Front) Display flash -
Camera Features (Front) - Phase Detect Auto-Focus (PDAF)
BATTERY AND CHARGING Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Samsung Galaxy S21 Ultra 5G has larger battery capacity than Samsung Galaxy S7.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 Samsung Galaxy S21 Ultra 5G has fast charging technology.
Wireless Charging Yes Yes Both phones can be charged wirelessly.
Wireless Charging Standards WPC, PMA WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Standby Time 288 hours -
Talk Time 1320 minutes 2460 minutes Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than Samsung Galaxy S7.
Run Time Details Talk (WCDMA): up to 1320 min
Active online usage (WCDMA): up to 11 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (video): up to 15 hrs
Playback (audio): up to 45 hrs
Playback (audio (Always On Display Off)): up to 62 hrs
Talk (4G): up to 2460 min
Active online usage (LTE): up to 18 hrs
Active online usage (Wi-Fi): up to 18 hrs
Playback (wireless video): up to 22 hrs
Playback (wireless audio): up to 81 hrs
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 Ultra 5G has more advanced generation mobile network.
Operating System Google Android Android 11
User Interface Samsung TouchWiz -
Intelligent Assistant - Bixby
Payment Technology Samsung Pay Samsung Pay
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.2 Bluetooth 5.2
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Supported Digital Audio Standards WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, 3G2, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Multitasking, Easy Mode, MIMO technology, Private Mode, Ultra Power Saving Mode, Screen mirroring, Alarm Clock, S-Voice Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command
OTHERS Samsung Galaxy S7 Samsung Galaxy S21 Ultra 5G
Included Accessories Power adapter SIM card removal tool, USB-C to USB-C cable
Compliant Standards IP68, HAC (Hearing Aid Compatible) IP68, HAC (Hearing Aid Compatible)
Max Depth of Water Resistance 1.5 m 1.5 m
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