The Integrated GPU

For all but one of the processors, integrated graphics is the name of the game. AMD configures the integrated graphics in terms of Compute Units (CUs), with each CU having 64 streaming processors (SPs) using GCN 1.3 (aka GCN 3.0) architecture, the same architecture as found in AMD’s R9 Fury line of GPUs. The lowest processor in the stack, the A6-9500E, will have four CUs for 256 SPs, and the A12 APUs will have eight CUs, for 512 SPs. The other processors will have six CUs for 384 SPs, and in each circumstance the higher TDP processor typically has the higher base and turbo frequency.

AMD 7th Generation Bristol Ridge Processors
A12-9800 Radeon R7 512 800 1108 65W
A12-9800E Radeon R7 512 655 900 35W
A10-9700 Radeon R7 384 720 1029 65W
A10-9700E Radeon R7 384 600 847 35W
A8-9600 Radeon R7 384 655 900 65W
A6-9500 Radeon R5 384 720 1029 65W
A6-9500E Radeon R5 256 576 800 35W
Athlon X4 950 - - - - 65W

The new top frequency, 1108 MHz, for the A12-9800 is an interesting element in the discussion. Compared to the previous A10-7890K, we have a +28% increase in raw GPU frequency with the same number of streaming processors, but a lower TDP. This means one of two things – either the 1108 MHz frequency mode is a rare turbo state as the TDP has to be shared between the CPU and APU, or the silicon is sufficient enough to maintain a 28% higher frequency with ease. Obviously, based on the overclocking results seen previously, it might be interesting to see how the GPU might change in frequency without a TDP barrier and with sufficient cooling. For comparison, when we tested the A10-7890K in Grand Theft Auto at a 1280x720 resolution and low-quality settings, we saw an average 55.20 FPS.

Grand Theft Auto V on Integrated Graphics

Bearing in mind the change in the cache configuration moving to Bristol Ridge, moving from a 4 MB L2 to a 2 MB L2 but increasing the DRAM compatibility from DDR3-2133 to DDR4-2400, that value should move positive, and distinctly the most cost effective part for gaming.

Each of these processors supports the following display modes:

- DVI, 1920x1200 at 60 Hz
- DisplayPort 1.2a, 4096x2160 at 60 Hz (FreeSync supported)
- HDMI 2.0, 4096x2160 at 60 Hz
- eDP, 2560x1600 at 60 Hz

Technically the processor will support three displays, with any mix of the above. Analog video via VGA can be supported by a DP-to-VGA converter chip on the motherboard or via an external dongle.

For codec support, Bristol Ridge can do the following (natively unless specified):

- MPEG2 Main Profile at High Level (IDCT/VLD)
- MPEG4 Part 2 Advanced Simple Profile at Level 5
- MJPEG 1080p at 60 FPS
- VC1 Simple and Main Profile at High Level (VLD), Advanced Profile at Level 3 (VLD)
- H.264 Constrained Baseline/Main/High/Stereo High Profile at Level 5.2
- HEVC 8-bit Main Profile Decode Only at Level 5.2
- VP9 decode is a hybrid solution via the driver, using CPU and GPU

AMD still continues to support HSA and the arrangement between the Excavator v2 modules in Bristol Ridge and the GCN graphics inside is no different – we still get Full 1.0 specification support. With the added performance, AMD is claiming equal scores for the A12-9800 on PCMark 8 Home with OpenCL acceleration as a Core i5-6500 ($192 tray price), and the A12-9800E is listed as a 17% increase in performance over the i5-6500T. With synthetic gaming benchmarks, AMD is claiming 90-100% better performance for the A12 over the i5 competition.

An Unusual Launch Cycle: OEMs now, Individual Units Later Understanding Connectivity: Some on the APU, Chipset Optional
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  • Meteor2 - Saturday, September 24, 2016 - link

    This. If HSA was *actually used* AMD performance would be fantastic.
  • Shadowmaster625 - Sunday, September 25, 2016 - link

    HSA is a pipe dream. Too much latency.
  • patrickjp93 - Monday, September 26, 2016 - link

    No it wouldn't. HSA requires code bloat which will damage cache friendliness in all cases where code cannot be offloaded to the iGPU. This is why Oracle, Fujitsu, IBM, Intel, and Nvidia all turned their nose up at it. HPX, OpenMP, and OpenACC kick the snot out of HSA as both a programming model and a hardware interface.
  • Vayra - Friday, September 23, 2016 - link

    I don't. Who cares about Apple in any comparison? They walled their garden. You go Apple or you go for something sensible.
  • AbbieHoffman - Friday, November 11, 2016 - link

    Why? Apple is just old outdated crap propped up by dumb hollywood trendies that don't know any better. Also Apple basically has slave labor and suicide nets around the buildings that house their employees. They won't even let them escape in death.
  • romrunning - Friday, September 23, 2016 - link

    Forget these older designs - let's get Zen released already, and work on a Zen mobile/ULV platform.
  • euskalzabe - Friday, September 23, 2016 - link

    Agreed... just release Zen already. I hope at least motherboards will be available by Xmas. Get the build ready, but a Zen CPU in jan/feb, drop it in and boom, new PC build.
  • kn00tcn - Friday, September 23, 2016 - link

    how is releasing mobos early any good? what happens if for whatever reason there are problems with old mobos when the high end cpus come (in a way similar to early ddr3 being higher voltage)
  • Murloc - Saturday, September 24, 2016 - link

    yeah it's just stupid to buy stuff to have it become old in your house before you can even use it
  • Krysto - Friday, September 23, 2016 - link

    Yeah, when can we expect Zen mobile APUs already?

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