Home/LG/LG Optimus LTE SU640 vs Xiaomi Redmi
LG Optimus LTE SU640

LG Optimus LTE SU640

#7345
Xiaomi Redmi

Xiaomi Redmi

#6191

Category Breakdown

LG Optimus LTE SU640
Xiaomi Redmi
Performance
51.354.3
Camera
42.142.1
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
53.654.5

Summary

  • The LG Optimus LTE SU640 features a 4.5-inch HD-IPS LCD display with a resolution of 720 x 1280 pixels, while the Xiaomi Redmi has a slightly larger 4.7-inch IPS LCD display with the same resolution.
  • In terms of performance, the LG is powered by a dual-core Snapdragon S3 chipset, whereas the Xiaomi utilizes a quad-core Mediatek MT6589T, offering potentially better multitasking.
  • Both phones have an 8 MP rear camera capable of 1080p video recording, but the Xiaomi's camera benefits from a wider aperture.
  • The battery capacity of the Xiaomi is higher at 2000 mAh compared to the LG's 1830 mAh, which may provide longer usage.
  • The LG runs on an older Android version (upgradable to 4.0) compared to the Xiaomi's Android 4.2, suggesting a more modern software experience on the Redmi.
  • In terms of build, the LG is slightly thicker and lighter than the Xiaomi, which is marginally larger and heavier.

Side-by-side Specification Comparison

LG Optimus LTE SU640
Xiaomi Redmi

General

Release Date

2012
2013

Announced

2011
2013

Description

For South Korea
Also known as Xiaomi Hongmi, Xiaomi Red Rice

Display

Size

4.5"
4.7"

Type

HD-IPS LCD
IPS LCD

Resolution

720 x 1280 pixels, 16:9 ratio (~326 ppi density)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

N/A
Corning Gorilla Glass 2

Performance

Chipset

Qualcomm MSM8660 Snapdragon S3
Mediatek MT6589T (28 nm)

CPU

Dual-core 1.5 GHz Scorpion
Quad-core 1.5 GHz Cortex-A7

GPU

Adreno 220
PowerVR SGX544MP2

Memory

4GB 1GB RAM
4GB 1GB RAM

Expandable Storage

Card Slot

microSDHC (dedicated slot), 16 GB included
microSDHC (dedicated slot)

Camera

Main Camera

8 MP
8 MP

Main Camera Details

8 MP, AF
8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF

Front Camera

1.3 MP
1.3 MP

Front Camera Details

1.3 MP
1.3 MP

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
720p@30fps

OIS

Night Mode

RAW Support

Battery

Capacity

1830 mAh
2000 mAh

Battery Details

Removable Li-Ion 1830 mAh battery
Li-Po 2000 mAh, removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Design

Dimensions

132.9 x 67.9 x 10.4 mm (5.23 x 2.67 x 0.41 in)
137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in)

Weight

135 g
158 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Black, White
Black, Chinese Red, Metallic Gray/ blue, green, yellow panels

Foldable

Connectivity

SIM

Mini-SIM
Dual SIM

Network

GSM / HSPA / LTE
GSM / HSPA

Network Speed

HSPA, LTE
HSPA

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot

Bluetooth

3.0, A2DP
4.0, A2DP, LE

NFC

USB

microUSB 2.0 (MHL TV-out)
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, A-GPS
GPS

Software

Operating System

Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Android 4.2 (Jelly Bean)

OS Version

Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Android 4.2 (Jelly Bean)

Security

Fingerprint

Face Unlock

Sensors

Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes