Realme GT 3 (256GB/16GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

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Side by side comparison between Realme GT 3 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

4/16/2023 6:35 PM, updated: 4/17/2023 3:06 AM

Compare Samsung Galaxy A51 X Realme GT 3 (256GB/16GB) 22Points

Specifications Compare Models Pictures

6.74"
AMOLED

1240x2772

50
MP

16mp

16GB
RAM

Octa-core

4600
mAh

(Non removable)

11Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Realme GT 3 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? Realme GT 3 (256GB/16GB)

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!

22 Advantages Realme GT 3 (256GB/16GB)	vs	11 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+3.19GHz 64bit Octa-core (4nm)55% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+16GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (222GB available)107% More internal storage for applications and files	vs	128GB (107GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+1240x2772 pixels33% Higher resolution screen	vs	1080x2400 pixels
+451 PPI11% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 PPI
+6.74"4% Larger screen	vs	6.5"
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+1/1.56" inches28% The larger sensor camera lets you take photos with better depth.	vs	1/2" inches
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE-A) 600 Mbps
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+4600 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+240W15 times 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
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+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
199 grams (6.97 ounces)	vs	+172 grams (6.02 ounces)16% Lighter
8.9 millimeters (0.35 inches)	vs	+7.9 millimeters (0.31 inches)13% Thinner
AMOLED	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
(triple camera) 50MP + 8MP + 2MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP17% Higher resolution main camera
(front) 16MP	vs	+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Not supported	vs	+ANT+Advantage Sensors help you use the device
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

4K UHD (3840x2160)

Android 13

Capacitive

Multitouch

+12 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
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Change model		Choose the model
Model	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Other model names	Realme GT3 240W RMX3709	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Global, International)	Kazakhstan, Russia
Brand	Realme	Samsung
Release date	3/17/2023, Announced: 2/28/2023	12/16/2019, Announced: 12/12/2019
Depth	8.9 millimeters (0.35 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	75.8 x 163.9 millimeters (2.98 x 6.45 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	199 grams (6.97 ounces)	172 grams (6.02 ounces)
Build, materials	Back: RGB light notification	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
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Display type	AMOLED	Super AMOLED
Screen size	6.74" inches	6.5" inches
Screen-to-body ratio	~87.9% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1240x2772 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	451 PPI	405 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	144Hz	60Hz
Display features	500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz	Always-On Display
🤖 Operating System
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
System version	Android 13	Android 10
Firmware update	feature not registered	Android 13
User Interface	Realme UI 4.0	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Chipset	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 730 (818MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 1074427 (v9) Geekbench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory	16GB LPDDR5	6GB LPDDR4X
Internal storage	256GB (222GB available) UFS 3.1	128GB (107GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	2000/1024 Mbps	600/150 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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42)	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	SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)	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	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 Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.216mm112°1/4"1.12µm 2MP microscope f/3.320mm	(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)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	24mm lens	26mm lens
Sensor size	1/1.56" inches	1/2" inches
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	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	4K@30/60fps 1080p@30/60fps Sony IMX890	feature not registered
📸 Front camera
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.2 (aperture)
Focal length	25mm lens	26mm lens
Sensor size	1/3.09" inches	1/2.8" inches
Pixel size	1µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Loudspeaker	Stereo sound 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	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
	Realme GT 3 (256GB/16GB)	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	Type-C reversible connector	3.5mm jack
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 [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, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Realme GT 3 (256GB/16GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4600 mAh	4000 mAh
Charger, watts	240W Wired fast charging	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
	Realme GT 3 (256GB/16GB)	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: Booster Black, Pulse White	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Realme GT 3 (256GB/16GB)	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)