What Intel and AMD are bringing to the market isn’t exactly the typical processor. It’s a multi-chip module (MCM) cramming processor and graphics cores together along with HBM2 memory that’s dedicated to the graphics portion. All three are connected by a special “bridge” inside the module for extremely fast data transfers between the three components.
Intel is expected to initially produce two modules: The Core i7-8705G and the Core i7-8809G. The “G” in both the code name and model number supposedly means graphics, as these modules will have extremely more graphical power than the GPU cores typically crammed into Intel’s processors.
Here are the rumored specifications:
|Core i7-8705G||Core i7-8809G|
|CPU core architecture:||Kaby Lake||Kaby Lake|
|Polaris compute units:||24||24|
|Polaris stream processors:||1,536||1,536|
|HBM2 memory amount:||4GB||4GB|
The hardware specifications listed for each module in the table above were pulled from various benchmark software including GFXBench, GeekBench, 3DMark 11, SiSoftware Sandra Platinum, and the PC game Ashes of the Singularity. The source appears to be Tum Apisak’s YouTube channel that is currently displaying several videos regarding the two modules, such as the i7-8809G clearly listed in 3DMark 11 in one clip, and both modules detailed in other benchmarks in another.
But the information is a little confusing. In one instance, Geekbench first appears to provide conflicting data regarding board number and clock speeds. Specifically, it’s the Core i7-8809G in question, and appears to be throttled back with a CPU base speed of 2.81GHz, and a GPU base speed of 1,000MHz. This may be due to power restrictions and thermal limitations in the host PC.
In GFXBench, the board numbers appear to be backward. In Car Chase, the “slower” 694E hit an average rate of 12.3 frames per second while the “faster” 694C only managed 6.8 frames per second. In Manhattan, the 694E achieved an average of 27.4 frames per second while the 694C managed 11 frames per second. Again, based on information provided in other benchmarks, those results should be reversed.
Meanwhile, SiSoftware’s Sandra Platinum lists the Core i7-8705G with the Polaris graphics cores throttled back at 550MHz, and the HBM2 memory throttled back at 500MHz. As before, this may be due to the parent PC, preventing the module from reaching its peak performance due to cooling (thermal) issues.
As always, you cannot take everything you read here as official information. There are obvious inconsistencies across the multiple benchmarks, and we’re not entirely sure the part numbers are correctly matched with the model numbers. But at least we now have some idea of what is going on until Intel and AMD come clean with the details.
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