Samsung Galaxy S24 (SM-S921U 256GB) vs Samsung Galaxy S20 5G (SM-G981B/DS)

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Side by side comparison between Samsung Galaxy S24 vs Samsung Galaxy S20 5G phones, differences, pros, cons and full specifications. What's the better?

3/17/2024 7:41 PM, updated: 3/18/2024 6:56 PM

Compare Samsung Galaxy S20 5G X Samsung Galaxy S24 (SM-S921U 256GB) 10Points

Specifications Compare Models Pictures

6.2"
AMOLED

1080x2340

50
MP

12mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

07Points Samsung Galaxy S20 5G (SM-G981B/DS) Compare Samsung Galaxy S24 X

Specifications Compare Models Pictures

6.2"
AMOLED

1440x3200

12.2
MP

10mp

12GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S24 (SM-S921U 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!

10 Advantages Samsung Galaxy S24 (SM-S921U 256GB)	vs	7 Advantages Samsung Galaxy S20 5G (SM-G981B/DS)
+3.4GHz 64bit Octa-core (4nm)16% More powerful processor, you can open your applications faster	vs	2.73GHz 64bit Octa-core (7nm)
+256GB (226GB available)117% More internal storage for applications and files	vs	128GB (104GB available)
+UFS 4.0Advantage Fastest write and read storage.	vs	UFS 3.0
+7.6 millimeters (0.3 inches)4% Thinner	vs	7.9 millimeters (0.31 inches)
+1/1.56" inches13% The larger sensor camera lets you take photos with better depth.	vs	1/1.76" inches
+(front) 12MP20% Higher resolution secondary camera to take pictures and selfies	vs	(front) 10MP
+Android 14Advantage Android 14 is newer and safer	vs	Android 13
+5G mmWaveAdvantage The 5G mmWave network is newer and faster	vs	5G SA/NSA
+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	vs	802.11 a/b/g/n/ac/ax [wifi6]
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
8GB LPDDR5X	vs	+12GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
167 grams (5.85 ounces)	vs	+163 grams (5.71 ounces)2% Lighter
1080x2340 pixels	vs	+1440x3200 pixels82% Higher resolution screen
416 PPI	vs	+566 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 50MP + 10MP + 12MP	vs	+(triple camera) 12.2MP + 64MP + 12MP23% Higher resolution main camera
Not supported	vs	+ANT+Advantage Sensors help you use the device

39 Common items in both devices

Aluminum frame, glass front/back

Dynamic AMOLED

HDR10+

120Hz

16 million

6.2"

LED flash

+32 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

📱 Model features
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Change model		Choose the model
Model	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Other model names	Galaxy S24 (Snapdragon) SM-S921U1	Galaxy S20 SM-G981B/Dual-Sim (Exynos, 12GB RAM) - Global
Country or region available	USA	(Europe), (Global, International)
Brand	Samsung	Samsung
Release date	1/24/2024, Announced: 1/17/2024	3/6/2020, Announced: 2/11/2020
Depth	7.6 millimeters (0.3 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	70.6 x 147 millimeters (2.78 x 5.79 in)	69.1 x 151.7 millimeters (2.72 x 5.97 in)
Weight	167 grams (5.85 ounces)	163 grams (5.71 ounces)
Build, materials	Aluminum frame, glass front/back Back: Gorilla Glass Victus 2	Aluminum frame, glass front/back
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Display type	Dynamic AMOLED	Dynamic AMOLED
Screen size	6.2" inches	6.2" inches
Screen-to-body ratio	~90.9% (screen-to-body ratio)	~88.5% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	416 PPI	566 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus 2	Gorilla Glass 6
Refresh rate	120Hz	120Hz
Display features	2600nits[peak] HDR10+ Always-On Display	HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD
🤖 Operating System
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
System version	Android 14	Android 10
Firmware update	feature not registered	Android 13
User Interface	One UI 6.1	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Chipset	64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AC) (4nm)	64bit: Samsung Exynos 990 (7nm)
CPU	Octa-core, 4 processors: 1x 3.4GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.27GHz ARM Cortex-A520 (Dual-core)	Octa-core, 3 processors: 2x 2.73GHz Mongoose M5 (Dual-core) 2x 2.5GHz ARM Cortex-A76 (Dual-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 750 (1GHz)	ARM Mali-G77 MP11 (800MHz)
Performance (benchmark)	AnTuTu: 1221951 (v9), 1697143 (v10) Geekbench: 5833 (v5), 6747 (v6)	feature not registered
💽 Memory and storage
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
RAM memory	8GB LPDDR5X	12GB LPDDR5
Internal storage	256GB (226GB available) UFS 4.0	128GB (104GB available) UFS 3.0
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	5000/1024 Mbps	5000/1024 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE 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 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 network	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 20, 25, 38, 41, 66, 71, 77, 78) mmWave (260, 261)	SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE 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 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 network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Back camera (main camera)	(triple camera) 50 megapixels 10MP telephoto f/2.467mm1/3.94"1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady	(triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom 12MP ultrawide f/2.213mm1.4µmSuper-Steady-video
Main camera resolution	8160x6120 pixels	4032x3024 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	24mm lens	26mm lens
Sensor size	1/1.56" inches	1/1.76" inches
Pixel size	1µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo/video on both cameras
Camera extras	8K@24/30fps 4K@30/60fps 1080p@30/60/240fps HDR10+	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Front camera (secondary)	12 megapixels	10 megapixels
Front camera resolution	4000x3000 pixels	3872x2592 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/3.2" inches
Pixel size	feature not registered	1.22µm pixel
🔉 Sound and multimedia
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Loudspeaker	Stereo sound 32-bit/384kHz Tuned by AKG	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.3 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4000 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging	15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging
Talk time autonomy	feature not registered	20 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue • Samsung DeX	• Colors: Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC)
☢️ Radiation rate
	Galaxy S24 (SM-S921U 256GB)	Galaxy S20 5G (SM-G981B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	1.23W/kg (head), 1.1W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.382W/kg (head), 1.525W/kg (body)