Posts Tagged ‘AMD’
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March 25, 2017

Intel X299 Platform and Core i7-7740K CPU Leaked in Sisoft Database

Early last month, rumors stirred that Intel was planning on releasing two new CPUs to combat AMD’s recently launched Ryzen CPUs. Following the initial rumors, information about the rumored CPUs have been quiet however, new information regarding the mysterious Intel Core i7-7740K processor and the X299 platform have surfaced thanks to some recently uploaded benchmarks in the SiSoft benchmark database.

The information leaked from the SiSoft database confirms that the Intel Core i7-7740K is indeed a 4C/8T CPU. Operating frequency is currently set at 4.3GHz (base) and 4.5Ghz (boost). The CPU also comes with 1MB of L2 and 8MB of L3 Cache. For comparison, the [...]

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March 17, 2017

New Linux Kernel Fixes SMT Issue for AMD Ryzen CPUs

For those having issues with their new AMD Ryzen CPU’s SMT functionality in Linux, the latest kernel version 4.10.3 rectifies the issue which was present in kernel version 4.9 and below.

Older versions of the Linux kernel bundles both the threadID and the APIC ID together when SMT is enabled. This causes the OS to assign a unique CPU Core ID to each thread instead of the same CPU ID to a pair of threads.

The Linux kernel development page describes the error as the following:

our SMT scheduling topology for Fam17h systems is broken, because the ThreadId is included in the ApicId when SMT is enabled. So, without further decoding cpu_core_id is unique [...]

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March 16, 2017

AMD Releases ReLive 17.3.2 Beta Drivers, Boosts Radeon RX480 Performance by up to 12%

AMD recently released the beta version of the latest Radeon Software Crimson 17.3.2.

Among other improvements, the new driver update claims to improve performance of the AMD Radeon RX 480 by as much as 12% compared to the previous driver release, Radeon Software Crimson 17.3.1. Other improvements include support for Mass Effect: Andromeda as well as fixes for The Division and For Honor.

Those interested in trying out Radeon Software Crimson ReLive Edition 17.3.2 can download it from AMD’s website here. However, be warned. As they’re beta drivers, they also come with quite an extensive list of known issues as well.

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March 16, 2017

Early AMD Radeon RX VEGA Images Leaked in Customary Blurrycam Format

In a recent post at the Chiphell forums, a member by the username gtx9 posted some of the first images of what could be the launch video for the upcoming AMD Radeon RX VEGA graphics card. According to the poster, this was recently shown at the AMD Technology Summit in Beijing, China.

While the images only show limited angles, it looks like the RX VEGA reference design may feature a black and white color theme with red accents for the logo. The GPU also appears to have a GPU load indicator which is something AMD has done previously on their Radeon R9 FURY X graphics card. This of course leaves the universal question, why does every leaker own the same freaking [...]

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March 15, 2017

AMD Ryzen 5 Details Leaked: 4-Core, 6-Core CPUs Starting at $169, Launching April 11

In a recent article that appears to have been recently pulled, hardware site Guru3D leaked the entire lineup of AMD Ryzen 5 series processors ahead of its April 11 launch.

According to the article, AMD will launch four new models under the Ryzen 5 series lineup including the Ryzen 5 1600X, Ryzen 5 1600, Ryzen 5 1500X and Ryzen 5 1400.

 

Ryzen 5 CPU Lineup

The Ryzen 5 1600X will be the flagship Ryzen 5 SKU. It’ll sport 6 cores and 12 threads, feature a base clock of 3.6GHz with a turbo up to 4.0GHz and XFR up to 4.1GHz. TDP is expected to be 95W. Pricing is expected to be $249.

The Ryzen 5 1600 will be similar to the Ryzen 5 1600X [...]

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March 13, 2017

AMD Issues Update on Ryzen Addressing Thread Scheduling, Temperature Reporting, Power Plans, and SMT

In a recent blog post, AMD’s Robert Hallock recently posted an update on some of the big issues currently surrounding the new Ryzen processor including thread scheduling, temperature reporting, power plans, and SMT.

 

Thread Scheduling

Previously some media outlets reported that there may be an issue with the Windows 10 thread scheduler and Ryzen, but it appears that the thread scheduler is actually working properly in Windows 10. This has been verified Sysinternals Coreinfo v3.31 topology logs and the only reason an issue was believed to have existed is because an older version of Sysinternals Coreinfo was used.

Temperature [...]

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March 12, 2017

AMD Radeon RX Vega GPU Benchmarks Leaked, Outperforms GTX 1080 in OpenCL Performance

Some keen eyes over at Videocardz recently discovered that benchmarks for the highly anticipated AMD Radeon RX Vega GPU have inadvertently been leaked in the CompuBench benchmark database. The leaked benchmarks also reveal some GPU specifications for the first time including potential clock speeds and compute unit count.

Starting off, we can see that the leaked CompuBench benchmarks shows a device ID 687F:C1. This is the same device ID of the AMD Radeon RX Vega GPU that we saw running the Doom 4K demo at CES.

Using the information on the info page, we get several important pieces of information about the GPU.

CL_DEVICE_MAX_COMPUTE_UNITS = 64 – [...]
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March 7, 2017

AMD Prepares 32-Core Naples CPU to Battle Against Intel Xeon, Launch Expected in 2Q2017

Not even a month has passed since AMD launched their Zen based Ryzen desktop CPUs and AMD is already preparing their assault against Intel’s Xeon server dominance with their upcoming Zen based Naples CPUs.

The new server CPUs, which AMD refers to as SoCs will feature 32-cores/64-threads, eight memory channels, up to 2TB of DDR4 memory, and 64 PCIe 3.0 lanes. This is spec for spec far more powerful than its chief competition, the Intel Xeon E5-2599A v4 processor which features a paltry 22 cores, four memory channels, up to 1.54TB of DDR4, and 40 PCIe 3.0 lanes. AMD claims that the Naples SoC is able to offer 60% better performance and 122% more memory [...]

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March 6, 2017

AMD Ryzen CPUs In-Stock, But Where’s the AM4 Motherboards?

Last week, AMD launched their highly anticipated Ryzen CPUs to huge fanfare and for the most part, the CPU has lived up to its expectations. While there is still quite a bit of controversy over whether or not it’s a strong CPU for gamers, other applications that are highly multi-threaded such as video editing or 3D modeling show Ryzen to be very clearly competitive against its Intel counterparts.

Amazon CPU Best Seller List at AMD Ryzen’s Launch Amazon CPU Best Seller List Today

As such, AMD’s Ryzen CPUs have quickly “Ryzen” to the best seller lists of numerous vendors only to have dropped in the following days [...]

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March 3, 2017

Didn’t Attend AMD’s Ryzen Reddit AMA? Here’s What You Missed!

AMD hosted an AMA (Ask Me Anything) Q&A thread on Reddit to celebrate the launch of their new Ryzen CPUs and address some key concerns. Participants included Dr Lisa Su (AMD CEO), Robert Hallock (CPU Technical Marketing), and James Prior (CPU Business Development). We’ve sorted through the thread and extracted the important bits.

 

Q: Is gaming performance something you will work towards going forward with the Zen architecture? (Reddit user Makkarikock)

Lisa Su: Absolutely! You should expect gaming performance to only get better with time as the developers have more time with “Zen”.

AMD had also recently announced a [...]

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