LG Optimus LTE SU640 vs Samsung Galaxy S3 I9300 32GB

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Comparing the LG Optimus LTE SU640 vs Samsung Galaxy S3 I9300 32GB across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: LG Optimus LTE SU640 runs at a higher processing speed of 1.5 GHz, while Samsung Galaxy S3 I9300 32GB runs at 1.4 GHz, making LG Optimus LTE SU640 the better performer.


Display: Samsung Galaxy S3 I9300 32GB offers a screen size of 4.8 inches, while LG Optimus LTE SU640 offers 4.5 inches, making Samsung Galaxy S3 I9300 32GB the larger display of the two. Samsung Galaxy S3 I9300 32GB features a Super AMOLED display compared to LG Optimus LTE SU640's IPS LCD, making Samsung Galaxy S3 I9300 32GB the better display of the two.


Rear Camera: Both LG Optimus LTE SU640 and Samsung Galaxy S3 I9300 32GB feature a 8 MP primary rear camera.


Front Camera: Both LG Optimus LTE SU640 and Samsung Galaxy S3 I9300 32GB feature a 1.3 MP primary front camera.


Battery: Samsung Galaxy S3 I9300 32GB offers a higher battery capacity with 2100 mAh, while LG Optimus LTE SU640 offers 1830 mAh, making Samsung Galaxy S3 I9300 32GB better for longer battery life.


Storage: LG Optimus LTE SU640 offers higher internal storage with 4 GB, while Samsung Galaxy S3 I9300 32GB offers 32 GB, making LG Optimus LTE SU640 the better option for storage.

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LG Optimus LTE SU640
(Discontinued)
Samsung Galaxy S3 I9300 32GB
₹31,180
(Discontinued)
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Summary

Release Date

16 Aug, 2012
13 May, 2012
11 Jun, 2026

Performance

N/A
N/A
Snapdragon S3
Samsung
MediaTek Dimensity 8500 Extreme
(upto 1.5 GHz)
(upto 1.4 GHz)
Octa Core (upto 3.4 GHz)
1 GB RAM
1 GB RAM
12 GB RAM

Display

N/A
N/A
4.5 inches (11.43 cm)
4.8 inches (12.19 cm)
6.8 inches (17.27 cm)
IPS LCD
Super AMOLED
Extreme AMOLED
720x1280 px (HD)
720x1280 px (HD)
1272x2772 px (FHD+)
N/A
N/A
144 Hz Refresh Rate

Rear Camera

N/A
N/A
8 MP
Primary Camera
8 MP
Primary Camera
50 MP
Primary Camera
N/A
N/A
50 MP
Ultra-Wide Angle Macro Camera
N/A
N/A
50 MP
Telephoto Camera (upto 3.5x Optical Zoom)

Front Camera

N/A
N/A
1.3 MP
1.9 MP
50 MP

Battery

N/A
N/A
1830 mAh
2100 mAh
6500 mAh
N/A
N/A
90W Turbo Power Charging
N/A
N/A
Wireless Charging

Storage

4 GB
32 GB
256 GB
N/A
N/A
UFS 4.1

User Ratings

N/A
4.1/5
(2,832 ratings)
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹44,999

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General

Launch Date

N/A
N/A
Jun 04, 2026
(Official)

Operating System

Android v2.3.5 (Gingerbread)
Android v4.0.4 (Ice Cream Sandwich)
Android v16

OS Updates

N/A
N/A
3 Year

Security Updates

N/A
N/A
5 Year

Custom UI

N/A
TouchWiz UI
N/A

Performance

Performance Rating

N/A
N/A
Excellent

Chipset

Qualcomm Snapdragon S3 MSM8660
Samsung
MediaTek Dimensity 8500 Extreme

Processor

Dual core, 1.5 GHz, Scorpion
Quad core, 1.4 GHz, Cortex A9
Octa core

3.4 GHz, Single core, Cortex A725 3.2 GHz, Tri core, Cortex A725 2.2 GHz, Quad core, Cortex A725

Architecture (The higher, the better)

N/A
N/A
64 bit

Fabrication (The lower, the better)

N/A
N/A
4 nm

Graphics (GPU)

Adreno 220
Mali-400 MP4
Mali-G720 MP8

RAM

1 GB
1 GB
12 GB

RAM Type

N/A
N/A
LPDDR5X

Display

Display Rating

N/A
N/A
Best In Class

Display Type

IPS LCD
Super AMOLED
Extreme AMOLED

Screen Size

4.5 inches  (11.43 cm)
4.8 inches  (12.19 cm)
6.8 inches  (17.27 cm)

Resolution

720x1280 px (HD)
720x1280 px (HD)
1272x2772 px (FHD+)

Peak Brightness

N/A
N/A
5200 nits

HBM Brightness

N/A
N/A
1800 nits

Refresh Rate

N/A
N/A
144 Hz

Aspect Ratio

N/A
N/A
19.6:9

Pixel Density

326 ppi
306 ppi
450 ppi

Screen to Body Ratio (calculated)

61.82 %
65.71 %
96.8 %

Screen Protection

Yes
Corning Gorilla Glass v2
Corning Gorilla Glass Glass 7i

Bezel-less Display

N/A
N/A
Yes

HDR 10 / HDR+ Support

N/A
N/A
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A
N/A
96.8 %

Design

Height

132.9 mm
136.6 mm
162.7 mm

Width

67.9 mm
70.6 mm
75.6 mm

Thickness

10.40 mm
8.6 mm
7.19 mm

Weight

135 grams
133 grams
190 grams

Build Material

N/A
N/A
Back: Plastic

Water Resistance

N/A
N/A
Yes Water resistant IP68 IP69

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

N/A
N/A
Excellent

Resolution

8 MP
Primary Camera
8 MP
Primary Camera
50 MP
Primary Cameraf/1.812 mm focal length LYT 710 2.0µm pixel size
N/A
N/A
50 MP
f/2.0 Ultra-Wide Angle Macro Camera12 mm focal length 1.28µm pixel size
N/A
N/A
50 MP
Telephoto Camera81 mm focal length 1.28µm pixel size

Autofocus

Yes
Yes
Yes

OIS

N/A
N/A
Yes

Flash

Yes LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

3264 x 2448 Pixels
3264 x 2448 Pixels
N/A

Shooting Modes

N/A
N/A
Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

Digital Zoom
Digital image stabilization
Face detection
Smile detection
Digital Zoom
Digital image stabilization
Face detection
Simultaneous HD video and image recording
Smile detection
Touch to focus
Digital Zoom
Optical Zoom
Face detection
Filters
Smile detection
View More

Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
4k @30/60 fps
Full HD @30/60/120/240 fps

Video Recording Features

N/A
N/A
Dual Video Recording
Slow Motion
Video HDR
Macro Video
Audio Zoom

Front Camera

Front Camera Rating

N/A
N/A
Best In Class

Resolution

1.3 MP
Primary Camera
1.9 MP
Primary Camera
50 MP
f/1.9 Primary Camera1.28µm pixel size

Autofocus

N/A
N/A
Yes

Flash

N/A
N/A
Yes Screen flash

Camera Features

N/A
Fixed Focus
N/A

Video Recording

N/A
1280x720 @ 30 fps
4k @30/60 fps
Full HD @30/60 fps

Battery

Battery Rating

N/A
N/A
Excellent

Capacity

1830 mAh
2100 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Silicon Carbon

TalkTime

Up to 7 Hours(2G)
N/A
N/A

Quick Charging

N/A
N/A
Yes 90W Turbo Power Charging

Wireless Charging

N/A
N/A
Yes 15W Wireless Charging

Wireless Reverse Charging

N/A
N/A
N/A

Reverse Charging

N/A
N/A
Yes 5W Wired Reverse Charging

Storage

Internal Storage

4 GB
32 GB
256 GB

Storage Type

N/A
N/A
UFS 4.1

Expandable Storage

Yes Up to 32 GB
Yes Up to 64 GB
No

Network & Connectivity

SIM Slot(s)

Single SIM
Single SIM
Dual SIM

SIM Type

SIM1: Mini
SIM1: Micro
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported
5G 4G

VoLTE

N/A
N/A
No

SIM 1

4G Bands:
FD-LTE 800(band 20)
N/A
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
View More

SIM 2

N/A
N/A
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)
View More

Wi-Fi

Yes Wi-Fi 4 (802.11 a/b/g/n) Dual antennas
Yes Wi-Fi 4 (802.11 a/b/g/n) Dual antennas
Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 6GHz

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v3.0
Yes v4
Yes v5.4

GPS

Yes with A-GPS
Yes with A-GPS
Yes with A-GPS Glonass

NFC

N/A
N/A
Yes

HDMI

Yesvia microUSB
N/A
N/A

IR Blaster

N/A
N/A
No

Multimedia

Stereo Speakers

N/A
N/A
Yes

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Audio Features

Dolby Mobile
N/A
Dolby Atmos

Sensors

Fingerprint Sensor

N/A
N/A
Yes

Fingerprint Sensor Position

N/A
N/A
On-screen

Fingerprint Sensor Type

N/A
N/A
Optical

Other Sensors

Proximity sensor Accelerometer Compass Gyroscope
Proximity sensor Accelerometer Barometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

Applications

N/A
Document editor (Word Excel PowerPoint PDF) Adobe Flash support
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹44,999