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Alexandre Botella Published on May 7, 2012
Translated by Catherine Barraclough


  • CPU Intel Core i5-2450M
  • Graphics chipset AMD Radeon HD 7470M
  • RAM 4 GB
  • Screen 14 inches, 1366 x 768 pixels
  • Storage space 499.999997952 GB
  • Optical drive DVD burner
HP is proud to have teamed up with Beats Audio to make this Pavilion dm4 Beats Edition laptop. This 14-inch notebook is self-styled as a portable power-house, with a decent battery life, a good build and finish and, above all, high-end audio. Does it deliver? Let's take a look.

Hardware and Design

HP has clearly put a good deal of thought into designing and building the dm4. For example, the almost entirely matte black casing and the slight curve to its edges are really nice touches. It's not perfect however, as a few minor blemishes like the glossy screen surround could still do with fixing. Since it's very hard to open this 14-inch laptop without touching the screen surround, you'll find this soon ends up covered in fingerprints and smudge marks. Otherwise we didn't have any issues with the product finish.

HP pavilion dm4 beats edition review - keyboard

The Pavilion dm4 has a chiclet keyboard, which means the keys are all separated by a small gap. Typing is supple, intuitive and relatively quiet. Only two keys (the up and down arrows) have been downsized, which, although it's always a shame, is understandable on a laptop chassis of this size. On the upside, the keyboard is backlit, which is handy for working/gaming/chatting in low light.

The multitouch touchpad is just as pleasing as the keyboard. Glide is smooth and the cursor can be moved around accurately. Note that multitouch control can be switched on and off via a button in the top corner of the touchpad. All the most common multitouch gestures are supported, including horizontal and vertical two-fingered scrolling and zoom in/out.

HP DM4 beat audio review- webcamThe built-in webcam is nothing special, clogging up dark parts of the picture and making flesh tones look a bit too pink. However, moment is reproduced quite well. All in all, it's OK for a fallback solution.

Apart from the SD card slot on the front of this laptop, all the connections can be found on its left and right edges. There's a DVD rewriter, a headphones and mic combo port (hands-free kit), a USB 2.0 port and a power socket on the right, plus two USB 3.0 ports, an HDMI out, an Ethernet port and a VGA out on the left. That lot should cover most of your day-to-day needs!

The dm4 isn't too noisy or too hot, keeping the decibels in check and keeping the temperature at a reasonable level even when you work the components hard (benchmarks, games etc.). The system for letting out hot air could do with redesigning, however, as it gets sent down straight onto your legs—toasty!


HP DM4 beat audio review - heat
Temperature readings with the dm4 is working hard.
Readings taken using a Fluke Ti25 (Distrame) camera

HP DM4 beat audio review - casing
SD card reader on the front.
The hood.

HP DM4 beats audio review - connections
VGA out, Ethernet, HDMI out, USB 3.0 (x2)
DVD drive, mic and headphones, USB 2.0, power port.


The Intel Core i5-2540M processor and 4 GB of RAM make the dm4 Beats Edition laptop powerful enough to handle all kinds of computing. Web browsing and office computing are a walk in the park for this notebook, and power-hungry programs (video encoding, 3D modelling, file decompression, etc.) are handled well.  

Although there's no SSD or ultra-fast HDD in this laptop, the 5400 rpm hard drive keeps the boot time within average at around 55 seconds (including connection to Wi-Fi). It then takes just under 20 seconds to shut down.

Games and Video

While the AMD Radeon HD 7470M graphics card in the dm4 is just the job for decoding HD video, it's not quite as good for gaming. In fact, with the exception of a few relatively lightweight games like Fifa 12, you'll have to turn the graphics detail down a fair bit for smooth gaming in the native screen resolution (1366 x 768 pixels). In more power-packed titles like Crysis 2 you'll also need to reduce the resolution.


Since establishing its partnership with Beats Audio, HP has greatly improved the quality of its internal audio chipsets. However, the audio components could be managed more effectively. The headphones jack still delivers a higher power output than most laptops on the market, but harmonic distortion is way too high (well above 1%)—that basically means the sound coming through your headphones will be loud but not very pleasant. Limiting this even just a little would make all the difference. In fact, most of our test results showed that it wouldn't take much technical modification to make a huge difference to audio quality.

The speakers make up for things, however, with a decent (if not amazing) volume level and very little saturation. Activating the Beats Audio function makes things even better too. It's just a shame that when you switch off the Beats Audio mode the bass systematically switches back to -12 and the treble to +6 , no matter what they were previously set to. This gives users the impression that sound is sub-standard without the Beats Audio mode—a cunning tick. In actual fact, with these values set to 0, the improvement brought by Beats Audio suddenly seems much less impressive. It's about time manufacturers stopped trying to pull the wool over their users' eyes!

Battery Life

Weighing 2 kg and compact enough to slide into a rucksack, the dm4 owes it to itself to deliver a decent enough battery life to satisfy users on the move. In our tests, it managed 4 hrs 20 mins of video playback (headphones plugged in, screen at 100 cd/m², Wi-Fi and keyboard backlighting off). That's not a bad performance, and it's certainly enough to keep you entertained on a train journey, for example. However, it's no match for more power-packed—and more expensive—models like the 13.3-inch MacBook Pro, which held out for 6 hours 12 minutes. 
The Screen
The dm4 Beats Audio Edition has a TN screen with 1366 x 768 pixels—a resolution that's pretty common in this kind of laptop. The glossy finish isn't so great when using the notebook outdoors, however, as shiny screens are more prone to glare and reflections. You'll therefore probably want to keep out of direct sunlight when out and about, but it'll be easier to manage indoors.

Colour reproduction isn't great. The Delta E (difference between the colours requested by the source and those displayed onscreen) is around 13 when it should ideally be under 3. The 195:1 contrast doesn't save the day either. You'll therefore need to download and install a calibration profile if you want accurate colours. Unfortunately, though, there's no fix for the contrast.


  • Processing power
  • Good finish
  • Decent battery life (4 hrs 20 mins)
  • Backlit keyboard


  • Low-grade screen (poor contrast, inaccurate colours)
  • Glossy screen
  • Limited performances in games


The HP Pavilion dm4 Beats Edition laptop gives a good level of performance for the money, as well as a nice design and finish, and a decent battery life. However, the audio quality and screen aren't quite good enough to make this a five-star notebook.
3 HP Pavilion dm4 Beats Edition DigitalVersus 2012-05-07 12:28:00
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