Microsoft Lumia 640 LTE (2015)
This phone boasts a 5 inch IPS display, a Qualcomm Snapdragon 400 MSM8926 chipset, and 1 GB of RAM.
Let's dive into what makes this device unique!
Table of Contents
- Microsoft Lumia 640 LTE specifications
- Weight, dimensions, colors
- System, chipset, performance
- Display type, size, resolution
- Memory, storage
- Cameras, flash
- Connectivity, network, wireless
- Battery type, capacity, charger
- Features, sensors, specials
- Verdict, pros and cons
This article shares our personal experiences and thoughts about using the Microsoft Lumia 640 LTE smartphone. We hope to offer helpful insights to others interested in this device.
Microsoft Lumia 640 LTE specifications
| Brand | Microsoft |
|---|---|
| Name | Lumia 640 LTE |
| Model | L640LTE |
| Release date | 2015 |
Weight, dimensions, colors
| Weight | 5.11 oz |
|---|---|
| Dimensions | 5.56 x 2.84 x 0.35 inch |
| Colors | glossy cyan, matte black, orange, white |
| SIM type | Micro SIM |
The weight of the Microsoft Lumia 640 LTE is still considered to be lightweight and portable. A micro SIM is larger than the current standard Nano SIM card but smaller than the older SIM card size.
System, chipset, performance
| OS version | Microsoft Windows 8.1 |
|---|---|
| SoC | Qualcomm Snapdragon 400 MSM8926 |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Adreno 305 |
The Microsoft Lumia 640 LTE comes with Microsoft Windows 8.1 out of the box. The quad-core mobile CPU can provide fast and efficient performance for mobile games. Smartphones, tablets, and other mobile devices use Adreno GPUs.
Display type, size, resolution
| Display type | IPS |
|---|---|
| Screen size | 5 inch |
| Resolution | 720 x 1280 px |
| Multitouch support | yes |
People know IPS for its wide viewing angles. It also has accurate color reproduction. The 5 inch display make this smartphone pocket-friendly. The display size is the diagonal distance from one corner of the screen to the opposite corner.
Memory, storage
| RAM | 1 GB |
|---|---|
| Internal storage | 8 GB |
| Memory card slot | microSD |
1 GB of RAM is not typically considered to be enough for a smartphone. The needed RAM amount for good performance depends on factors. These include the OS, the apps, and the services we use. If we use our smartphones for basic tasks like calling, texting, and browsing the web, 32 GB may be sufficient for our needs. We can expand the internal storage of the Lumia 640 LTE (8 GB) by using a compatible microSD card.
Cameras, flash
| Main camera | 8 MP, 3264 x 2448 px, autofocus |
|---|---|
| Flash | LED |
| Selfie camera | 1 MP |
This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The Lumia 640 LTE comes with a basic camera setup and lacks any advanced features.
Connectivity, network, wireless
| GSM 2G bands | 850 / 900 / 1800 / 1900 |
|---|---|
| Network coverage | 2G / 3G / 4G |
| Wi-Fi | Wi-Fi 802.11 b/g/n |
| Bluetooth | v4.0, A2DP |
| GPS | A-GPS, GLONASS, Beidou |
| NFC | yes |
| FM radio | yes |
| USB | microUSB 2.0 |
| Headphone | 3.5 mm jack |
Worldwide, people use 4G networks. They have become the standard for mobile networks in many countries. This Microsoft phone can connect to Wi-Fi networks at home, at work, or in public places. We can use Bluetooth to connect our Lumia 640 LTE smartphone to many Bluetooth devices. This phone has a built-in GPS receiver. The Lumia 640 LTE has a built-in NFC chip, which allows it to support various NFC applications and services. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.
Battery type, capacity, charger
| Type | Li-Ion 2500 mAh |
|---|
The Li-Ion 2500 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. We can simply buy a new battery from the open market and interchange it by ourselves.
Features, sensors, specials
| Sensors | accelerometer, compass, light, proximity, sensor core |
|---|---|
| Specials | Corning Gorilla Glass 3 |
Today, smartphones come with many sensors. They help make the user experience better. The Lumia 640 LTE smartphone has an accelerometer. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. Corning Gorilla Glass is a type of chemically strengthened super-glass.
Verdict, pros and cons
Every phone has its strengths and weaknesses, and this Microsoft phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.
Pros
- microSD slot
- Corning Gorilla Glass shield
Cons
- limited-size screen
- insufficient memory
- insufficient internal storage
- single camera setup
- no OIS function
- no 5G support
- no Type-C USB port
- low-capacity battery
- no fingerprint reader
Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.
I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.