Realme GT 3 (128GB) vs Samsung Galaxy S3 (GT-i9305)

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Side by side comparison between Realme GT 3 vs Samsung Galaxy S3 phones, differences, pros, cons and full specifications. What's the better?

4/16/2023 6:12 PM, updated: 6/19/2025 6:19 PM

Compare Samsung Galaxy S3 X Realme GT 3 (128GB) 30Points

Specifications Compare Models Pictures

6.74"
AMOLED

1240x2772

50
MP

16mp

8GB
RAM

Octa-core

4600
mAh

(Non removable)

09Points Samsung Galaxy S3 (GT-i9305) Compare Realme GT 3 X

Specifications Compare Models Pictures

4.8"
AMOLED

720x1280

8
MP

2mp

2GB
RAM

Quad-core

2100
mAh

(Removable)

What's the better phone? Realme GT 3 (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!

30 Advantages Realme GT 3 (128GB)	vs	9 Advantages Samsung Galaxy S3 (GT-i9305)
+3.19GHz 64bit Octa-core (4nm)3 times More powerful processor, you can open your applications faster	vs	1.4GHz 32bit Quad-core (32nm)
+8GB LPDDR53 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR2
+128GB (101GB available)8 times More internal storage for applications and files	vs	16GB (11GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 4.41
+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 pixels3 times Higher resolution screen	vs	720x1280 pixels
+451 PPI47% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	306 PPI
+6.74"40% Larger screen	vs	4.8"
+(triple camera) 50MP + 8MP + 2MP7 times Higher resolution main camera	vs	(back) 8MP
+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
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+1/1.56" inches92% The larger sensor camera lets you take photos with better depth.	vs	1/3" inches
+f/1.9 (aperture)37% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.6 (aperture)
+(front) 16MP7 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 14Advantage Android 14 is newer and safer	vs	Android 4.4 KitKat
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps19 times Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+4600 mAh119% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2100 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+Stereo sound with dual speakersAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 a/b/g/n [wifi4]
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
Not supported	vs	+Until 64GB microSD, microSDXCAdvantage More external storage for files using memory cards
199 grams (6.97 ounces)	vs	+131 grams (4.59 ounces)52% Lighter
8.9 millimeters (0.35 inches)	vs	+8.6 millimeters (0.34 inches)3% Thinner
AMOLED	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
Not supported	vs	+BarometerAdvantage Sensors help you use the device
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
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	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+Gorilla Glass 2Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

Plastic body, glass front/back / Plastic body, glass front

Only digital zoom

PDAF: phase detection autofocus / Autofocus

BSI sensor

Capacitive

Multitouch

Accelerometer

+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 (128GB)	Galaxy S3 (GT-i9305)
Change model		Choose the model
Model	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Other model names	Realme GT3 240W RMX3709	Samsung Galaxy S3 i9305 (4G LTE)
Country or region available	(Global, International)	(Latin America), (Europe), (Global, International), Saudi Arabia, Brazil, Hong Kong, New Zealand, Pakistan, Singapore
Brand	Realme	Samsung
Release date	3/17/2023, Announced: 2/28/2023	10/1/2012
Depth	8.9 millimeters (0.35 inches)	8.6 millimeters (0.34 inches)
Size (width x height)	75.8 x 163.9 millimeters (2.98 x 6.45 in)	70.6 x 136.6 millimeters (2.78 x 5.38 in)
Weight	199 grams (6.97 ounces)	131 grams (4.59 ounces)
Build, materials	Plastic body, glass front/back Back: RGB light notification	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Display type	AMOLED	Super AMOLED
Screen size	6.74" inches	4.8" inches
Screen-to-body ratio	~87.9% (screen-to-body ratio)	~65.9% (screen-to-body ratio)
Display resolution	1240x2772 pixels (20:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	451 PPI	306 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 2
Refresh rate	144Hz	60Hz
Display features	500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz	Not supported
🤖 Operating System
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
System version	Android 13	Android 4.1.1 Jelly Bean
Firmware update	Android 14	Android 4.4 KitKat
User Interface	Realme UI 4.0 / 5.0	TouchWiz UI
⚙️ Processor
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Chipset	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)	32bit: Samsung Exynos 4412 (32nm)
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)	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core)
GPU graphical controller	Qualcomm Adreno 730 (818MHz)	ARM Mali-400 MP4 (440MHz)
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 (128GB)	Galaxy S3 (GT-i9305)
RAM memory	8GB LPDDR5	2GB LPDDR2
Internal storage	128GB (101GB available) UFS 3.1	16GB (11GB available) eMMC 4.41
External storage	Not supported	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	100/50 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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100	UMTS 850/900/2100
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 800/1800/2600
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+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
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	Not supported
📷 Camera
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.216mm112°1/4"1.12µm 2MP microscope f/3.320mm	8 megapixels
Main camera resolution	8160x6120 pixels	3264x2448 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/2.6 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/1.56" inches	1/3" inches
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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	Supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	4K@30/60fps 1080p@30/60fps Sony IMX890	feature not registered
📸 Front camera
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Front camera (secondary)	16 megapixels	2 megapixels
Front camera resolution	4608x3456 pixels	1600x1200 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.6 (aperture)
Focal length	25mm (lens)	feature not registered
Sensor size	1/3.09" inches	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Loudspeaker	Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos	Mono sound (not stereo)
Active noise cancellation	2 microphones	2 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Micro-B USB MHL
Bluetooth	5.3 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) EB-L1G6LLU
Battery capacity	4600 mAh	2100 mAh
Charger, watts	240W Wired fast charging	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	11 hours
Standby	feature not registered	510 hours (21.3 days)
➕ Other features
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Booster Black, Pulse White	• Colors: Pebble blue, Marble white • Smart Stay eye tracking • S-Voice • Java framework
☢️ Radiation rate
	Realme GT 3 (128GB)	Galaxy S3 (GT-i9305)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.45W/kg (head), 0.87W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.244W/kg (head), 0.237W/kg (body)