Dell Inspiron 15 i5547-7475sLV Review

March 20, 2015
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Dell Inspiron 15 i5547-7475sLV is a popular laptop made by the Texas based computer giant. It features a high end Core i5 processor, plenty of RAM and as a nice little treat, a backlit keyboard. Despite of being a best-selling machine its price tag is still bit high compared to many budget models. So the obvious question is: if you get this laptop, would you really find it useful? Let’s see about that…


Intel Core i5-4210U is a 2014 processor model with dual cores and clock frequency between 1.7GHz and 2.7GHz on turbo use. It does a good job in benchmarks, receiving high 3400 points on CPU Mark tests (slow Celerons, for example, get only around 1000 points). As such, the CPU offers adequate performance for home and office activities, but also for some power users running more demanding programs than a simple web browser and YouTube.

Dell Inspiron 15 i5547-7475sLV comes with 8GB RAM installed, an amount that should be enough for everybody. The configuration is two 4GB DDR3L chips, so if you really want to install more you should be able to do so by replacing the old module(s). But I wouldn’t do that, since the performance boost you get from more than 8GB isn’t probably worth it.

A terabyte hard drive is featured on this model, something you could really expect for this price. It’s excellent if you’re prone to download and store a lot of files on your laptop. For example, if you’re using it as an image storage, you could store photos in hundreds of thousands on that drive. Regarding to speed, you won’t reach the read and write rates an SSD has with a basic 5400RPM hard drive, but that can be fixed by putting a solid-state drive in. For that, you might however have to remove the old HDD first.

Display and graphics

Dell Inspiron 15 i5547-7475sLV has a 15.6″ display which happens to be the default size for laptops. The 1366×768 resolution is also the most common one, although perhaps not the best, especially if you’re used to Full HD screens. In fact, for this price one might find a 1920×1080 screen – which this display is sadly not. However, it’s a touchscreen, so you can familiarize yourself with new things in Windows 8.1 (64-bit).

Intel HD Graphics 4400 is the graphics unit of this Dell. It’s faster than the HD 4000 chip which is prevalent in cheaper models. But it can’t compete with dedicated graphics cards, so you can’t keep both smooth FPS and eye candy on many new games. If you’re happy with low resolutions and settings, you can play heavy games like Battlefield with a decent ~25 frames per second. Lightweight titles, like Minecraft, are no problem for this computer.


Dell Inspiron 15 i5547-7475sLV contains three USB ports, with two being USB 3.0. Many notebooks do indeed come with just one USB 3.0 so consider this as a small plus. A HDMI output is also available for all the HDTV owners.

You’ll get both 100Mbps Ethernet adapter and a dual-band WiFi card. Bluetooth 4.0 support is also built-in, so you don’t need to use a USB dongle.

The laptop has no optical drive which can be a bummer for some. Of course, accessing discs is possible, but only through an external DVD drive. An SD/MMC card reader is also provided which might be of some help if your data is stored on memory cards.

A 1280×720 webcam is installed, so the Dell can be used for Skype video like any other laptop.

Something else to consider?

The weight of Dell Inspiron 15 i5547-7475sLV is 5.25 pounds, says the official specifications. As such, the unit weighs the same than an average 15.6″ notebook. On WiFi browsing, the battery life should work for 4-5 hours. It’s perhaps a bit over the average, and user reports seemed to thank the laptop for good operating time. The battery is also a removable one.

Keyboard received praise as well, undoubtedly because it’s backlit. It also has a numeric keypad on the right which makes hitting the number keys easy.

No bloatware seems to be pre-installed on the machine. As such, there’s no inconvenience of removing the unwanted programs later.

Summing it up

Dell Inspiron 15 i5547-7475sLV has high performance components and solid set of features. The i5 CPU is a fast one, and should be able to run heavier programs like Photoshop without issues. You can also try to play games on this notebook, but be prepared to lower the settings on new titles. The touch display can be a huge advantage, although personally I don’t see it as a good or bad thing, just a feature. Two USB 3.0s and Bluetooth 4.0 are useful as well as the backlit keyboard if your room is dark. The missing DVD drive can be inconvenience, but other than that, not many bad things can be said. In short, this Dell is a recommended choice by Tech For Pennies.

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