Infinix Hot 40i (256GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

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Side by side comparison between Infinix Hot 40i vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

6/8/2025 9:34 AM, updated: 6/8/2025 9:42 AM

Compare Samsung Galaxy A51 X Infinix Hot 40i (256GB) 11Points

Specifications Compare Models Pictures

6.56"
IPS

720x1612

50
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

14Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Infinix Hot 40i X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 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!

11 Advantages Infinix Hot 40i (256GB)	vs	14 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+8GB LPDDR433% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (230GB available)115% More internal storage for applications and files	vs	128GB (107GB available)
+UFS 2.0Advantage Fastest write and read storage.	vs	eMMC 5.1
+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+6.56"1% Larger screen	vs	6.5"
+Quad-LED on main camera and Dual-LED on front cameraAdvantage The Quad-LED on main camera and Dual-LED on front camera helps in dark places or in low light	vs	LED flash
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+f/1.6 (aperture)25% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+18W20% 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
1.6GHz 64bit Octa-core (12nm)	vs	+2.3GHz 64bit Octa-core (10nm)29% More powerful processor, you can open your applications faster
190 grams (6.65 ounces)	vs	+172 grams (6.02 ounces)10% Lighter
8.3 millimeters (0.33 inches)	vs	+7.9 millimeters (0.31 inches)5% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1612 pixels	vs	+1080x2400 pixels123% Higher resolution screen
269 PPI	vs	+405 PPI51% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(dual camera) 50MP + 0.08MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP40% Higher resolution main camera
Full HD (1920x1080)	vs	+4K UHD (3840x2160)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
(4G LTE-A) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

29 Common items in both devices

Until 1TB microSD, microSDXC

Plastic body, glass front

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

+22 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
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Change model		Choose the model
Model	Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Other model names	Infinix Hot 40i X6528B	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Global, International)	Kazakhstan, Russia
Brand	Infinix	Samsung
Release date	12/1/2023, Announced: 12/5/2023	12/16/2019, Announced: 12/12/2019
Depth	8.3 millimeters (0.33 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	75.6 x 163.6 millimeters (2.98 x 6.44 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	190 grams (6.65 ounces)	172 grams (6.02 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.56" inches	6.5" inches
Screen-to-body ratio	~83.6% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	720x1612 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	269 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	90Hz	60Hz
Display features	480nits[peak]	Always-On Display
🤖 Operating System
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
System version	Android 13	Android 10
Firmware update	feature not registered	Android 13
User Interface	XOS 13	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Chipset	64bit: Unisoc Tiger T606 (12nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 1.6GHz ARM Cortex-A75 (Dual-core) 6x 1.6GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-G57 MC1 (650MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 250817 (v10)	feature not registered
💽 Memory and storage
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory	8GB LPDDR4	6GB LPDDR4X
Internal storage	256GB (230GB available) UFS 2.0	128GB (107GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)	(dual camera) 50 megapixels 0.08MP AI f/2.0	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	8160x6120 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Quad-LED on main camera and Dual-LED on front camera	LED flash
Focal aperture	f/1.6 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@30fps	feature not registered
📸 Front camera
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)	32 megapixels	32 megapixels
Front camera resolution	6528x4896 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Dual-LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	1 microphone	2 microphones or more
Radio	FM	FM (RDS)
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
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	4000 mAh
Charger, watts	18W Wired fast charging Reverse charging by cable	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
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: Starlit Black, Palm Blue, Horizon Gold, Starfall Green • Magic Ring	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Infinix Hot 40i (256GB)	Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)