AMD A8-3870K Unlocked Llano Quad-Core APU Review - HotHardware

AMD A8-3870K Unlocked Llano Quad-Core APU Review

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In our custom LAME MT MP3 encoding test, we convert a large WAV file to the MP3 format, which is a popular scenario that many end users work with on a day-to-day basis to provide portability and storage of their digital audio content. LAME is an open-source mid to high bit-rate and VBR (variable bit rate) MP3 audio encoder that is used widely around the world in a multitude of third party applications.

LAME MT
Audio Conversion and Encoding

In this test, we created our own 223MB WAV file (a hallucinogenic-induced Grateful Dead jam) and converted it to the MP3 format using the multi-thread capable LAME MT application in single and multi-thread modes. Processing times are recorded below, listed in seconds. Shorter times equate to better performance.


Audio encoding is most certainly not a strong point for the AMD A8-3870K. The A8-3870K is a hair faster than the 3850 at its stock speed, but trails the Intel processors significantly. While overclocked, the A8-3870K shows huge gains, but it's still not enough to catch even an Intel dual-core CPU.

Cinebench R11.5
3D Rendering

Cinebench R11.5 is an OpenGL 3D rendering performance test based on Cinema 4D from Maxon. Cinema 4D is a 3D rendering and animation tool suite used by 3D animation houses and producers like Sony Animation and many others. It's very demanding of system processor resources and is an excellent gauge of pure computational throughput. This is a multi-threaded, multi-processor aware benchmark that renders and animates 3D scenes and tracks the length of the entire process. The rate at which each test system was able to render the entire scene is represented in the graph below.

Cinebench shows the A8-3870K with a big GPU performance advantage over the Intel HD series GPU integrated into the Sandy Bridge-based processors. AMD's CPU cores, however, can't match Intel's clock for clock. While overclocked though, the A8-3870K at least manages to outpace the Core i3-2120.

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YAY A8-3870K Black Edition smashes intel's HD graphics but A8-3870K Black Edition losses when it comes to General Compute Performance.

 Nice Review!
 

"It's not only the CPU multipliers that are unlocked though, but the GPU and memory speed multipliers too."  

cool because must of the unlocked black edition come with just the cpu multiplier unlocked only. 
Hardcore gamers/enthusiast  won't buy this product...

Hey wasn't intel the first come come with "k" in its processors? Is Amd Copying it? just wonder reply me for the answer :)

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Very decent chip for the price, with a a better cooler and some time, people will be able to push GPU frequency a bit further and squeeze some extra performance. At first I didn't like it or mis-understood the purpose of theses chips, but I respect it. Would have been cool to see how Battlefield 3 runs on this.

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yea but remember  pushing it a bit further  means more watts and better performance. What do you mean  ''mis-understood the purpose of theses chips''?  you don't know why is it good or what is different from others?

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OptimusPrimeTime:
At first I didn't like it or mis-understood the purpose of theses chips,

OptimusPrimeTime:
be able to push GPU frequency a bit further and squeeze some extra performance

You answered your own question except for the "It Costs Less" part. Smile

I have an A8-3850 and a A6-3300 APU too. Both have the hybrid crossfire setup with a Radeon HD6670 in each one of them to bolster graphics performance.

They do not game with settings on full for modern games, but if you turn the eye candy down a little, they game acceptably.

They really shine in an office environment and multimedia applications. They're rockin' USB 3.0 and SATA-III capabilities too. They are both installed into ASRock brand Mainboards that have the ability to charge your USB devices, even when the PS is turned off.

With these PC's, you get completely acceptable performance for not a lot of cash, and ~that's~ their value.

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cowboyspace:
Hardcore gamers/enthusiast  won't buy this product...

It isn't geared towards that market. Before these were introduced, there was a gaping hole in the low cost PC segment. You couldn't get a decent low cost PC with good onboard graphics that could do DX-11 properly. These APU's filled that need perfectly, and as such, they are a success story for AMD. Sales are good and AMD is making money from them.

 

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thoughts for a home media server. or even htpc?

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stubblep00:
thoughts for a home media server. or even htpc?

Yes,.......I was originally going to sell these two systems and buy better video cards for my gaming boxes with the money,............but I've decided to set one of them up in my wife's office (the A8) for her to use, and the other is going into my bedroom (the A6) as an HTCP box.

They are fast enough and of good quality too.

 

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It' a 100W chip, so it may not be ideal for all HTPCs, but if using a chassis that can accomodate a large / quiet cooler, Llano is a good fit. For ultra small form factors, a 35W CPU like the 2100T may be a better fit, although you'd lose some gaming performance, obviously.

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Marco C:
It' a 100W chip, so it may not be ideal for all HTPCs, but if using a chassis that can accomodate a large / quiet cooler, Llano is a good fit. For ultra small form factors, a 35W CPU like the 2100T may be a better fit, although you'd lose some gaming performance, obviously.

I've got room in an out of the way place for the case that it's already in. So that's not a problem for me. I used a Corsair H50 cooler for it that has two Cougar Vortex PWM fans on it, so it's mostly quiet too.

I will not be using it for games, and decided to use it since I already have it here. Smile

 

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@ realneil Thanks you for your replies :) But i was just making a point for those who doesn't know much about it(novice) i know it isn't geared towards that market, And i have a question can you use an APU and a discrete graphics card together? for better performance? or you have to disable your cpu integrated graphics in order to use the discrete one?

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cowboyspace:
i have a question can you use an APU and a discrete graphics card together? for better performance?

Yes, it's one of the selling points.

One of the features that an APU based system brings to the table is an ability to run Hybrid Crossfire. The FM1 Motherboards work in conjunction with the AMD APU's graphic's capabilities to deliver ~better than Intel's~ onboard graphics.

Then, if you add the PROPER discrete Radeon video card into your PCI-E bus, you can enable that card to crossfire with your onboard graphics for a faster experiance. The fastest card that works this way is any Radeon HD6670 DX-11 based card. I'm not sure what the slowest one is,....I just bought a couple of HD6670's for my two systems.

Once you install the discrete card and set the BIOS properly, you can boot into Windows and enable crossfire performance from within Catalyst Control Center, or Vision Control Center.

This is not a full blown gaming solution, but it works pretty good for not a lot of money.

 

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