VisionX 420D Review: ASRock's mini-PC Lineup Continues to Impress
by Ganesh T S on September 1, 2014 9:00 AM ESTGaming Benchmarks
The two recent mini-PCs that we reviewed with gaming potential have both been based on Intel's Iris Pro. The Gigabyte BRIX Pro has a much smaller footprint, while the Zotac ZBOX EI750 and the VisionX 420D are more comparable. When the VisionX 420D was officially launched, AMD's official model number for the Venus GPU targeting the mobile market was the Radeon HD 8850. In their rebranding exercise, it became the R9 270MX. The MXM card also integrates 1 GB of GDDR5 VRAM. For the purpose of benchmarking, we chose five different games (Company of Heroes 2, Sleeping Dogs, Tomb Raider, Bioshock Infinite and DiRT Showdown) at three different quality levels.
As someone focusing on HTPCs and multimedia aspects, I rarely get to process gaming benchmarks, even while evaluating GPUs. One of the aspects that I feared was spending lot of time in installing the same games again and again on different PCs under the review scanner. The solution was to go the Steam route. Unfortunately, Steam also likes to keep the game files updated. A quick online search revealed that Steam could make use of an external drive for storing the game executables and downloadable content. With the Steam drive on-the-go use-case being read-heavy, the Corsair Flash Voyager GS USB 3.0 128GB Flash Drive (with read speeds of up to 275 MBps) was ideal for use as a portable Steam drive.
Even before we jump into the benchmark numbers, readers must be thinking about the VisionX 420D handily besting the Intel Iris Pro-based PCs. AMD doesn't disappoint, as shown in the graphs below. For comparison purposes, we also have results from the ASRock Vision 3D 252B, a two-generation old gaming mini-PC that used the NVIDIA GT 540M.
Before concluding this section, I would like to draw attention to the improvement in gaming credentials over the last two years inside the same chassis with a similar thermal headroom. This has really expanded the available target market for gaming mini-PCs such as the one being considered today. Gigabyte does have the BRIX Gaming version (which comes in a smaller chassis with a 'desktop-class' NVIDIA 'GTX 760'). We will see next week whether it can give the ASRock VisionX 420D a run for its money in the gaming department.
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blackmagnum - Monday, September 1, 2014 - link
Post-Anand... I see that the quality of the article still continues to impress. Thanks.lurker22 - Monday, September 1, 2014 - link
Yeah, a whole 2 days after he "officially" resigned lol. Wait a year before you evaluate ;)pectorvector - Monday, September 1, 2014 - link
The table at the bottom of the first page (look at the GPU row, Habey BIS-6922) has "Graphisc" written instead of Graphics.TheinsanegamerN - Monday, September 1, 2014 - link
Any word on temperatures? I know that toms hardware recorded temps in the 90c range with their model when it was reviewed. Did you guys observe anything similar? always wondered what would happen if you were to mill out the top and mount a nice fan there, blowing down on the components.ganeshts - Monday, September 1, 2014 - link
On the graph in the final section 'System Loading vs. Temperature Characteristics', you can see the CPU temperature rise to 90 C, but only with both Prime 95 and Furmark running simultaneously. This is hardly a valid practical use-case.I don't believe thermals are a cause for concern with this PC for normal workloads in home / office scenarios.
monstercameron - Monday, September 1, 2014 - link
come on oems put a kaveri apu in one of em!Nickname++ - Monday, September 1, 2014 - link
FYI, I have the 420D running under Debian Linux and it can idle at ~12 W. The trick is to force PCIe ASPM (power management) using a kernel option, which is disabled in the ACPI configuration but well supported as it's all laptop components. I guess disabling it reduced the testing effort. Then enabling "laptop mode" gets you there.So as usual with Linux it's not plug n' play, but it's reasonable easy to lower the power for an always on HTPC+server combo.
Another info: the Intel integrated graphics are disabled, and the AMD card is always on. With a hybrid laptop architecture I guess the idle power could get lower, like an Intel only NUC. But again, it's a simpler configuration for ASRock with a fixed set-up.
tuxRoller - Monday, September 1, 2014 - link
Linux, and open source in general, doesn't exist at this site.You might as well say beos:)
yannigr2 - Monday, September 1, 2014 - link
As long as there is no detailed info about the cpu/gpu in the charts, charts are still a red bar between gray bars that most people will never really spend time to understand what they represent. And now they are only 8 mini-PCs. If those become 12-15 or more in the future it will be a total hell of strange model numbers.ganeshts - Monday, September 1, 2014 - link
As a reader myself, I would first take a look at the table at the bottom of the first page and note down the two or three PCs that I hope to see how the PC under review fares against. The full details of each system are provided in that table with the drop-down selection.In addition, I do have data for 12-15 PCs even right now, but I choose the 6 - 7 appropriate PCs to compare against and only include those in the graphs.
It is a trade-off between having cluttered graphs (presenting all the info for the reader in one view) vs. splitting the info into two (a table on one page, and cleaner graphs on other pages - but expecting the reader to do a bit of 'work' before viewing the graphs). I went with the latter for more readability. The benchmark numbers depend heavily on the DRAM being used, the storage subsystem configuration etc., and not just the CPU / GPU. Under these circumstances, I believe the 'split into two' approach is the better one.
If you have any other suggestions on how to tackle this problem, I am all ears.