Samsung Galaxy S24 (SM-S921U 128GB) vs Samsung Galaxy M40 (SM-M405FN/DS)

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Side by side comparison between Samsung Galaxy S24 vs Samsung Galaxy M40 phones, differences, pros, cons and full specifications. What's the better?

3/17/2024 7:44 PM, updated: 3/18/2024 6:56 PM

Compare Samsung Galaxy M40 X Samsung Galaxy S24 (SM-S921U 128GB) 26Points

Specifications Compare Models Pictures

6.2"
AMOLED

1080x2340

50
MP

12mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

05Points Samsung Galaxy M40 (SM-M405FN/DS) Compare Samsung Galaxy S24 X

Specifications Compare Models Pictures

6.3"
PLS

1080x2340

32
MP

16mp

6GB
RAM

Octa-core

3500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S24 (SM-S921U 128GB)

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!

26 Advantages Samsung Galaxy S24 (SM-S921U 128GB)	vs	5 Advantages Samsung Galaxy M40 (SM-M405FN/DS)
+3.4GHz 64bit Octa-core (4nm)36% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core
+8GB LPDDR5X33% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+167 grams (5.85 ounces)1% Lighter	vs	168 grams (5.88 ounces)
+7.6 millimeters (0.3 inches)4% Thinner	vs	7.9 millimeters (0.31 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	TFT PLS
+416 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	409 PPI
+(triple camera) 50MP + 10MP + 12MP60% Higher resolution main camera	vs	(triple camera) 32MP + 8MP + 5MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 14Advantage Android 14 is newer and safer	vs	Android 10
+5G mmWaveAdvantage The 5G mmWave network is newer and faster	vs	4G LTE-A
+(5G mmWave) 5000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE-A) 400 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+4000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3500 mAh
+25W67% 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.	vs	15W
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 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	vs	802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
6.2"	vs	+6.3"2% Larger screen
f/1.8 (aperture)	vs	+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 12MP	vs	+(front) 16MP33% Higher resolution secondary camera to take pictures and selfies
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

20 Common items in both devices

128GB (100GB available) / 128GB (105GB available)

16 million

1080x2340 pixels

LED flash

PDAF: phase detection autofocus

HDR photo/video on both cameras / HDR photo on both cameras

Capacitive

+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

📱 Model features
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Change model		Choose the model
Model	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Other model names	Galaxy S24 (Snapdragon) SM-S921U1	Galaxy M40 SM-M405FN/Dual-Sim (128GB + 6GB RAM)
Country or region available	USA	(Europe), (Global, International)
Brand	Samsung	Samsung
Release date	1/24/2024, Announced: 1/17/2024	6/11/2019
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)	73.9 x 155.3 millimeters (2.91 x 6.11 in)
Weight	167 grams (5.85 ounces)	168 grams (5.88 ounces)
Build, materials	Aluminum frame, glass front/back Back: Gorilla Glass Victus 2	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Display type	Dynamic AMOLED	TFT PLS
Screen size	6.2" inches	6.3" inches
Screen-to-body ratio	~90.9% (screen-to-body ratio)	~84.9% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	416 PPI	409 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus 2	Gorilla Glass 3
Refresh rate	120Hz	feature not registered
Display features	2600nits[peak] HDR10+ Always-On Display	feature not registered
🤖 Operating System
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
System version	Android 14	Android 9.0 Pie
Firmware update	feature not registered	Android 10
User Interface	One UI 6.1	feature not registered
⚙️ Processor
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Chipset	64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AC) (4nm)	64bit: Qualcomm Snapdragon 675 SDM675 (11nm)
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, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 750 (1GHz)	Qualcomm Adreno 612 845Mhz
Performance (benchmark)	AnTuTu: 1221951 (v9), 1697143 (v10) Geekbench: 5833 (v5), 6747 (v6)	feature not registered
💽 Memory and storage
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
RAM memory	8GB LPDDR5X	6GB LPDDR4X
Internal storage	128GB (100GB available) UFS 3.1	128GB (105GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/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)
Maximum Download / Upload	5000/1024 Mbps	400/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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 850/900/1900/2100
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 Cat6 (Bands 1, 3, 5, 8, 20) TD-LTE (Bands 40, 41)
Primary 5G network	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 20, 25, 38, 41, 66, 71, 77, 78) mmWave (260, 261)	Not supported
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+, LTE, LTE-A
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	Not supported
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	Not supported
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
📷 Camera
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/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) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2
Main camera resolution	8160x6120 pixels	6528x4896 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	24mm lens	feature not registered
Sensor size	1/1.56" inches	feature not registered
Pixel size	1µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	8K@24/30fps 4K@30/60fps 1080p@30/60/240fps HDR10+	feature not registered
📸 Front camera
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Front camera (secondary)	12 megapixels	16 megapixels
Front camera resolution	4000x3000 pixels	4608x3456 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Loudspeaker	Stereo sound 32-bit/384kHz Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
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 128GB)	Galaxy M40 (SM-M405FN/DS)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	Not supported
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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not 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 128GB)	Galaxy M40 (SM-M405FN/DS)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	3500 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable	15W Wired fast charging
Inductive / wireless charging	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	feature not registered	29 hours (1.2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/DS)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps
☢️ Radiation rate
	Galaxy S24 (SM-S921U 128GB)	Galaxy M40 (SM-M405FN/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	0.274W/kg (head), 1.17W/kg (body)