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Thread: AMD Intros New Unlocked K-Series Llano APUs: A8-3870K & A8-3670K

  1. #1

    Default AMD Intros New Unlocked K-Series Llano APUs: A8-3870K & A8-3670K

    When we first reviewed Llano we thought it was a fairly competent desktop part if you needed a solution that didn't rely on discrete graphics. My biggest issue with Llano on the desktop was its price, at $135 for the top end A8 it seemed a bit too high. Today AMD is using the normal process improvements you see with any design over time to deliver a slight frequency bump without increasing prices. The extra 100MHz you get at the $135 and $115 price points isn't really going to change much, however AMD is introducing two K-series parts (they are also known as Black Edition SKUs) into the Llano lineup:
    AMD's Updated Llano Desktop Lineup
    GPU Total TDP (GPU + CPU) CPU Cores CPU Clock (Base/Turbo) GPU Cores GPU Clock Price
    AMD A8-3870K Radeon HD 6550D 100W 4 3.0GHz (unlocked) 400 600MHz (unlocked) $135
    AMD A8-3850 Radeon HD 6550D 100W 4 2.9GHz 400 600MHz $135
    AMD A8-3820 Radeon HD 6550 65W 4 2.5/2.8GHz 400 600MHz $???
    AMD A8-3800 Radeon HD 6550D 65W 4 2.4/2.7GHz 400 600MHz $129
    AMD A8-3670K Radeon HD 6530D 100W 4 2.7GHz (unlocked) 320 444MHz (unlocked) $115
    AMD A6-3650 Radeon HD 6530D 100W 4 2.6GHz 320 444MHz $115
    AMD A6-3620 Radeon HD 6530D 65W 4 2.2/2.5GHz 320 444MHz $???
    AMD A6-3600 Radeon HD 6530D 65W 4 2.1/2.4GHz 320 444MHz $109
    AMD A6-3500 Radeon HD 6530D 65W 3 2.1/2.4GHz 320 444MHz $85
    AMD A4-3420 Radeon HD 6410 65W 2 2.8GHz 160 600MHz $??
    AMD A4-3400 Radeon HD 6410 65W 2 2.7GHz 160 600MHz $71
    AMD A4-3300 Radeon HD 6410 65W 2 2.5GHz 160 444MHz $66
    The A8-3870K and 3670K are fully unlocked (thanks to AMD for the clarification) partially unlocked parts allowing you to overclock an extra 500MHz on the CPU clock and an extra 200MHz on the GPU clock. Stock Llano parts are multiplier locked above their default multiplier and their GPU frequency isn't adjustable from what we've seen. AMD's new K-series SKUs give you another 5 multipliers above the default multiplier on the CPU side, and let you ramp up the GPU clock independently as well. In our original overclocking experiments we found that hitting 3.5 - 3.7GHz via bus overclocking on an A8-3850 wasn't too difficult, so these new K-series parts should let you reach close to what you could before without as much effort. In theory it should be pretty effortless to take a 3670K and turn it into something a bit faster than a 3870K, allowing you to pocket the $20 difference.
    The 3x20 parts are new as well - these are mild speed bumps over their 3x00 predecessors. These parts are available starting today (err how about in the coming weeks)

    source- http://www.anandtech.com/show/5257/a...83870k-a83670k


    wth.... Intel er shathe AMD'o K(Unlocked) series e cpu ber korlo!!!....

  2. #2
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    This APU's are really innovative technology. I read in PCGamer Magazine (maybe october 2011 issue), when using a AMD Radeon HD6670 with A8-3850, 3850k, it shows GPU as 6690D in GPU-z, because the built in 6550 gpu work in Crossfire with the 6670 GPU. This is really cool for SLI/Xfire/dual gpu lovers.

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    a 6670 cant work with 6550 in crossfire. The first two digits "66" needed to be the same.

    ---------- Post added at 19:24 ---------- Previous post was at 19:23 ----------

    6570 can work

    ---------- Post added at 19:29 ---------- Previous post was at 19:24 ----------

    Quote Originally Posted by musvi View Post
    When we first reviewed Llano we thought it was a fairly competent desktop part if you needed a solution that didn't rely on discrete graphics. My biggest issue with Llano on the desktop was its price, at $135 for the top end A8 it seemed a bit too high. Today AMD is using the normal process improvements you see with any design over time to deliver a slight frequency bump without increasing prices. The extra 100MHz you get at the $135 and $115 price points isn't really going to change much, however AMD is introducing two K-series parts (they are also known as Black Edition SKUs) into the Llano lineup:
    AMD's Updated Llano Desktop Lineup
    GPU Total TDP (GPU + CPU) CPU Cores CPU Clock (Base/Turbo) GPU Cores GPU Clock Price
    AMD A8-3870K Radeon HD 6550D 100W 4 3.0GHz (unlocked) 400 600MHz (unlocked) $135
    AMD A8-3850 Radeon HD 6550D 100W 4 2.9GHz 400 600MHz $135
    AMD A8-3820 Radeon HD 6550 65W 4 2.5/2.8GHz 400 600MHz $???
    AMD A8-3800 Radeon HD 6550D 65W 4 2.4/2.7GHz 400 600MHz $129
    AMD A8-3670K Radeon HD 6530D 100W 4 2.7GHz (unlocked) 320 444MHz (unlocked) $115
    AMD A6-3650 Radeon HD 6530D 100W 4 2.6GHz 320 444MHz $115
    AMD A6-3620 Radeon HD 6530D 65W 4 2.2/2.5GHz 320 444MHz $???
    AMD A6-3600 Radeon HD 6530D 65W 4 2.1/2.4GHz 320 444MHz $109
    AMD A6-3500 Radeon HD 6530D 65W 3 2.1/2.4GHz 320 444MHz $85
    AMD A4-3420 Radeon HD 6410 65W 2 2.8GHz 160 600MHz $??
    AMD A4-3400 Radeon HD 6410 65W 2 2.7GHz 160 600MHz $71
    AMD A4-3300 Radeon HD 6410 65W 2 2.5GHz 160 444MHz $66



    The A8-3870K and 3670K are fully unlocked (thanks to AMD for the clarification) partially unlocked parts allowing you to overclock an extra 500MHz on the CPU clock and an extra 200MHz on the GPU clock. Stock Llano parts are multiplier locked above their default multiplier and their GPU frequency isn't adjustable from what we've seen. AMD's new K-series SKUs give you another 5 multipliers above the default multiplier on the CPU side, and let you ramp up the GPU clock independently as well. In our original overclocking experiments we found that hitting 3.5 - 3.7GHz via bus overclocking on an A8-3850 wasn't too difficult, so these new K-series parts should let you reach close to what you could before without as much effort. In theory it should be pretty effortless to take a 3670K and turn it into something a bit faster than a 3870K, allowing you to pocket the $20 difference.
    The 3x20 parts are new as well - these are mild speed bumps over their 3x00 predecessors. These parts are available starting today (err how about in the coming weeks)

    source- http://www.anandtech.com/show/5257/a...83870k-a83670k


    wth.... Intel er shathe AMD'o K(Unlocked) series e cpu ber korlo!!!....
    Konoi lav nai. L2 cache diye ai duniyay kisui korte parbe na.
    Last edited by VANGUARD; December 23rd, 2011 at 20:52.

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