AMD Steamroller APU Engineering Sample Found In Bionic Research Database

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Jul 3, 2013
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AMD’s Steamroller APU has been spotted listed under the Bionic research database by Dresdenboy. The APU listed under the database is an engineering sample and could be part of any of the upcoming Kaveri or Berlin server APU lineup by AMD.

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AMD Steamroller APU Spotted In Bionic Research Database

It is reported on his blog that the sample is probably part of the Kaveri APU lineup and is still in engineering phase featuring Steamroller cores. The Steamroller APU has an ES code of 2M186092H4467_23/18/12/05_1304 which reveals some rather interesting information. The Steamroller APU comes with a turbo core clock of 2.3 GHZ with normal base frequency of 1.8 GHz, the other 1.2 GHz frequency is configured for the north-bridge. The graphics chip on the steamroller APU is clocked at 500 MHz and the part is known as the AMD1304.1 = “KV SPECTRE MOBILE 35W (1304) GPU which was revealed in the leaked catalyst drivers a few weeks back.

The ES code 2M186092H4467_23/18/12/05_1304 tells us even more. According to earlier observations (here and here), the four numbers in the middle part tell a bit about clock speeds. If the first one is not 00 (no turbo, see Kabini ES), it indicates a turbo clock of 2.3GHz. The “18” stands for 1.8GHz nominal frequency. I’m not so sure about the “12”. It could stand for 1.2Ghz North Bridge clock. Finally the “05” indicates a 500MHz GPU clock. The right part “1304” is the GPU code, which – thanks to earlier revelations – can be identified as AMD1304.1 = “KV SPECTRE MOBILE 35W (1304)“. Citavai Blog

Now this is pretty intresting, as you can see the steamroller APU can be a mobility part with a 35W TDP as denoted by the codename since desktop Kaveri APUs with steamroller and GCN modules would ship with 65W and 100W thermal designs. You can see the complete list of catalyst drivers that leaked the Kaveri APU codenames along with AMD’s Volcanic Islands GPUs such as Hawaii here.

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AMD’s Steamroller APU which would include Kaveri and Berlin would feature enhanced IPC performance and GCN graphic modules that would push integrated GPU performance to the next level. Both AMD upcoming APU architecture’s would feature around 512-768 Stream processors which would pit their performance near that of current entry level discrete GPUs. Expect launch of AMD’s Kaveri APU in Q4 2013 and Berlin APU for servers in Q1 2014.


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