Samsung Galaxy S3 (GT-i9305T) vs Xiaomi Redmi K30 (128GB/8GB)

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Side by side comparison between Samsung Galaxy S3 vs Xiaomi Redmi K30 phones, differences, pros, cons and full specifications. What's the better?

4/18/2020 1:32 PM, updated: 8/29/2021 8:39 AM

Compare Xiaomi Redmi K30 X Samsung Galaxy S3 (GT-i9305T) 06Points

Specifications Compare Models Pictures

4.8"
AMOLED

720x1280

8
MP

2mp

2GB
RAM

Quad-core

2100
mAh

(Removable)

26Points Xiaomi Redmi K30 (128GB/8GB) Compare Samsung Galaxy S3 X

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

20mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K30 (128GB/8GB)

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!

6 Advantages Samsung Galaxy S3 (GT-i9305T)	vs	26 Advantages Xiaomi Redmi K30 (128GB/8GB)
+133 grams (4.66 ounces)56% Lighter	vs	208 grams (7.28 ounces)
+8.6 millimeters (0.34 inches)2% Thinner	vs	8.79 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.4GHz 32bit Quad-core	vs	+2.2GHz 64bit Octa-core (8nm)177% More powerful processor, you can open your applications faster
2GB LPDDR2	vs	+8GB LPDDR4X3 times More RAM memory. Typically more responsive and better for multitasking.
16GB (11GB available)	vs	+128GB (107GB available)9 times More internal storage for applications and files
Until 64GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC7 times More external storage for files using memory cards
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
720x1280 pixels	vs	+1080x2400 pixels181% Higher resolution screen
306 PPI	vs	+395 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.8"	vs	+6.67"39% Larger screen
(back) 8MP	vs	+(quad camera) 64MP + 8MP + 2MP + 2MP9 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/3" inches	vs	+1/1.72" inches74% The larger sensor camera lets you take photos with better depth.
f/2.6 (aperture)	vs	+f/1.9 (aperture)37% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MP	vs	+(dual front camera) 20MP + 2MP10 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 4.4 KitKat	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE) 100 Mbps	vs	+(4G LTE-A) 800 Mbps7 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
2100 mAh	vs	+4500 mAh114% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
802.11 a/b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

18 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

4G LTE / 4G LTE-A

Capacitive

Multitouch

+11 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 S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Change model		Choose the model
Model	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Other model names	Telstra Samsung Galaxy S3 i9305T (4G LTE)	Xiaomi Redmi K30 (128GB + 8GB RAM), M1912G7BC, M1912G7BE
Country or region available	Australia, New Zealand	(Global, International)
Brand	Samsung	Xiaomi
Release date	10/1/2012	12/1/2019
Depth	8.6 millimeters (0.34 inches)	8.79 millimeters (0.35 inches)
Size (width x height)	70.6 x 136.6 millimeters (2.78 x 5.38 in)	76.6 x 165.3 millimeters (3.02 x 6.51 in)
Weight	133 grams (4.66 ounces)	208 grams (7.28 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	4.8" inches	6.67" inches
Screen-to-body ratio	~65.9% (screen-to-body ratio)	~84.8% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	306 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 2	Gorilla Glass 5
Refresh rate	feature not registered	120Hz
Display features	feature not registered	HDR10
🤖 Operating System
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
System version	Android 4.1.1 Jelly Bean	Android 10
Firmware update	Android 4.4 KitKat	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Chipset	32bit: Samsung Exynos 4 Quad 4412 (32nm)	64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controller	ARM Mali-400 MP4	Qualcomm Adreno 618 (700MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
RAM memory	2GB LPDDR2	8GB LPDDR4X
Internal storage	16GB (11GB available)	128GB (107GB available) UFS 2.1
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	100/50 Mbps	800/150 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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100
Primary 4G network	LTE 1800/2600	LTE Cat15/13 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Back camera (main camera)	8 megapixels	(quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 2MP macro f/2.41/5.0"1.75µm 2MP depth f/2.4
Main camera resolution	3264x2448 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.6 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/3" inches	1/1.72" 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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Front camera (secondary)	2 megapixels	(dual front camera) 20 megapixels 2MP depth f/2.41/5"1.75µm
Front camera resolution	1600x1200 pixels	5184x3840 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.6 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	27mm lens
Sensor size	feature not registered	1/3.4" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Loudspeaker	Supported	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.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 S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
USB	MicroUSB 2.0, 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	Micro-B USB MHL	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Battery type	Li-Ion: lithium-ion (Removable) EB-L1G6LLU	LiPo: li-ion polymer (Non removable)
Battery capacity	2100 mAh	4500 mAh
Charger, watts	Wired charging	27W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	11 hours	feature not registered
Standby	510 hours (21.3 days)	feature not registered
➕ Other features
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (Swype), 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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Pebble blue, Marble white • S-Voice natural language commands and dictation • USB On-the-go support • Smart Stay eye tracking • Touch Focus • TouchWiz with Motion UX • DLNA • Wi-Fi Mobile Hotspot • Java framework	• Colors: Blue, Red, Purple • MIUI 11, 12 • Game Turbo 2.0 • 24-bit/192kHz audio
☢️ Radiation rate
	Galaxy S3 (GT-i9305T)	Redmi K30 (128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.41W/kg (head), 0.87W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.244W/kg (head), 0.237W/kg (body)	feature not registered