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EK is best-known for its open-loop liquid cooling components, as we show at CES every year in the company’s bombastic display of systems, but that’s a small market, and EK has been trying to get into closed-loop liquid coolers for years. The EK AIO series is its newest attempt at that, but after facing one delay after another for shipping, it’s taken some time. Today, we’re reviewing the EK AIO 360 and 240 closed-loop liquid coolers for thermals, noise, noise-normalized thermals, coldplate levelness, efficacy on Intel and AMD platforms, and more.

EK’s AIO D-RGB series of coolers is a new approach to closed-loop liquid coolers from EK, most recently shown in public at CES 2020. Following that public update, the company encountered months of setbacks, but has finally reached the market with its new liquid coolers. Competition is fierce for CPU coolers right now, with Arctic’s Liquid Freezer II, which we reviewed here, posing the biggest challenge for EK.

Pricing for EK’s solution lands at $155 (via EK’s website) for the EK AIO D-RGB 360 and $120 for the AK EIO D-RGB 240. At time of writing, the Arctic Liquid Freezer II 280 is $95, but out of stock (at least via Amazon, and Newegg). It’s been mostly out of stock following positive reviews like ours, so although the LF II is directly competitive in price and performance (seen below), it’s somewhat moot if no one can buy it.

NOTE: This is a transcript of our video, for the most part, although the video has some more discussion in the intro and conclusion than found here. We publish these articles to be helpful, but make most our money to sustain this expensive operation via videos. If sharing the content, please consider sharing the video instead.

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Sours: https://www.gamersnexus.net/reviews/hwreviews

As we continue our awards shows for end of year (see also: Best Cases of 2018), we’re now recapping some of the best and worst CPU launches of the year. The categories include best overall value, most well-rounded, best hobbyist production, best budget gaming, most fun to overclock, and biggest disappointment. We’ll be walking through a year of testing data as we recap the most memorable products leading into Black Friday and holiday sales. As always, links to the products are provided below, alongside our article for a written recap. The video is embedded for the more visual audience.

We’ll be mailing out GN Award Crystals to the companies for their most important products for the year. The award crystal is a 3D laser-engraved GN tear-down logo with extreme attention to detail and, although the products have to earn the award, you can buy one for yourself at store.gamersnexus.net.

As a reminder here, data isn’t the focus today. We’re recapping coverage, so we’re pulling charts sparingly and as needed from a year’s worth of CPU reviews. For those older pieces, keep in mind that some of the tests are using older data. For full detail on any CPU in this video, you’ll want to check our original reviews. Keep in mind that the most recent review – that’ll be the 9600K or 9980XE review – will contain the most up-to-date test data with the most up-to-date Windows and game versions.

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Sours: https://www.gamersnexus.net/tag/buyer-s-guide
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Specs Dictionary

Core Clock (GPU)

Core Clock (GPU) -- We sometimes refer to this as the Base Clock or BCLK of the GPU, a habit from working with the BCLK (CPU); the two can be used interchangeably, though "Core Clock" is more correct when referring specifically to a GPU. The Core Clock is the operating frequency of the graphics processing chip found on the video card. This is sometimes SuperClocked or pre-overclocked, depending on manufacturer.

Author: Steve Burke

Read More... CUDA Cores

CUDA Cores -- Just a small part of the larger whole when it comes to an nVidia GPU. A "CUDA Core" is nVidia's equivalent to AMD's "Stream Processors." NVidia's proprietary parallel computing programming model, CUDA (Compute Unified Device Architecture), is a specialized programming language that can leverage the GPU in specific ways to perform tasks with greater performance. Each GPU can contain hundreds to thousands of CUDA cores. Architecture changes in a fashion that makes cross-generation comparisons often non-linear, but generally speaking (within a generation), more CUDA cores will equate more raw compute power from the GPU. The Kepler to Maxwell architecture jump saw nearly a 40% efficiency gain in CUDA core processing ability, illustrating the difficulty of linearly drawing comparisons without proper benchmarks.

Author: Steve Burke

Read More... GPU

Graphics Processing Unit -- The physical "chip" (a semiconductor) that performs all graphics computations in a system. A GPU is comprised of a silicon processor -- not unlike a CPU -- atop a substrate, which is then mounted to the host video card (or directly to the motherboard, in the case of laptops, tablets, and phones). Modern CPUs will also contain an "IGP," or Integrated Graphics Processor, which is effectively a compartmentalized GPU that shares chip space with the CPU.

Author: Steve Burke

Read More... Memory Bandwidth (GPU)

Memory Bandwidth (GPU) -- Memory bandwidth is one of the most frequently showcased stats for any new GPU, often rating in hundreds of gigabytes per second of throughput potential. Memory Bandwidth is the theoretical maximum amount of data that the bus can handle at any given time, playing a determining role in how quickly a GPU can access and utilize its framebuffer. Memory bandwidth can be best explained by the formula used to calculate it:

Author: Steve Burke

Read More... Memory Interface

Memory Interface -- There are several memory interfaces throughout a computer system. As it pertains to the GPU, a Memory Interface is the physical bit-width of the memory bus. Every clock cycle (billions per second), data is transferred along a memory bus to and from the on-card memory. The width of this interface, normally defined as "384-bit" or similar, is the physical count of bits that can fit down the bus per clock cycle. A device with a 384-bit memory interface would be able to transfer 384 bits of data per clock cycle (there are 8 bits in a Byte). The memory interface is also a critical component of the memory bandwidth calculation in determining maximum memory throughput on a GPU.

Author: Steve Burke

Read More... Power Target

Power Target % - The target wattage over max TDP (represented as a percentage) to feed the GPU. Power Target was introduced with Maxwell overclocking on NVIDIA devices as a means to increase power consumption over the lower TDP base, thus allowing further headroom for overvolting and overclocking. A higher watt draw gives more room for more power consumption by the GPU, which gives more room for overclocking. If users attempt to overclock at the stock 100% TDP on, for example, a reference GTX 980, they will eventually run into limitations with the 180W power draw; increasing Power Target to 125% (180 * 1.25 = 225W), that gives an additional 45W to increase clocks and voltage.

Author: Steve Burke

Read More... PowerTune

PowerTune (AMD) - AMD's proprietary PowerTune technology has existed since December 2011, bringing dynamic frequency scaling to AMD graphics processors. "Dynamic frequency scaling" is the act of modifying the core clock speed (frequency) on-the-fly and can be thought of as similar in concept to TurboBoost or nVidia Boost. PowerTune scales the frequency based upon performance demands, thermals, and watt draw (using P-states).

Author: Steve Burke

Read More... ROPs

Render Output Units (ROPs) - Also known as "Raster Operations Pipeline," which is more useful in determining the application of a ROP. As with a Texture Map Unit or CPU's Floating Point Unit, a Render Output Unit is a specific component on a GPU that is responsible for the processing of final pixel values prior to drawing them to the screen. ROPs perform pixel read/write tasks that include processing pixel and texel (see: Texture Filter Rate) data; Render Output Units interpret the final depth of pixels before rendering them to the screen. More ROPs will increase the speed and bandwidth for which images are rasterized and/or rendered to the screen.

Author: Steve Burke

Read More... Stream Processors

Stream Processors -- Like nVidia's "CUDA Cores," AMD's Stream Processors are a more central component of the GPU. Stream Processors and CUDA Cores are not linearly comparable due to vast architectural differences, but can be thought of as similar when it comes to the primary function of each component. Stream Processing is focused intensely on parallelism of datasets to ensure efficient processing when performing tasks that are better-suited for parallel processing. These tasks can include aspects of audio processing (stream processors are used in DSP-equipped devices -- digital signal processors

Author: Steve Burke

Read More... Texture Fill-Rate

The texture filter rate of the GPU is representative of how many pixels (specifically 'texels') the GPU can render per second. This value is always represented as a measurement over time (1s). A 144.1GT/s texture fill rate comes out to 144.1 billion texels (textured picture elements) per second. At its inception, the fill-rate was a simpler spec to define: It represented the count of "complete" pixels (that is, pixels that have been completely filtered) that can be stored in the framebuffer (GPU memory). To this end, the texture fill-rate was strictly representative of the number of on-screen pixels that were filtered and written to the buffer.

Author: Steve Burke

Read More... TMUs

Texture Mapping Unit (TMU) - A low-level GPU component that operates with some independence, entirely dedicated to manipulating bitmaps and texture filtration. TMUs modify bitmaps (resize, rotate, scale, skew, fit) for placement onto objects and filter textures; in video games, this would be represented as placing a texture onto an object, whereupon we have now created "texels" (textured pixels). Textured pixels require a unique approach to graphics processing, as explained in our "What is Texture Fill-Rate?" article.

Author: Steve Burke

Read More... TrueAudio

TrueAudio (AMD) - Using a discrete DSP (Digital Signal Processor), AMD GPUs perform standalone audio processing for multi-channel simulation in gaming. TrueAudio has questionable use cases in the real-world, but in theory, it is capable of producing true 3D audio with upwards of 30+ channels simulated through audio playback devices. TrueAudio uses positional output through all of these channels to better simulate audio source locations in games.

Author: Steve Burke

Read More... VCE

Video Codec Engine (VCE) - AMD's on-die solution for live encoding of captured footage, to include gameplay capture. The VCE is exploited by software solutions to live-capture gameplay in a similar fashion to nVidia's ShadowPlay, which uses a Kepler (now Maxwell) encoder). The VCE is included on most modern AMD GPUs and enables live H.264, MPEG-4, ASP, MPEG-2, VC-1, and Blu-Ray 3D encoding. The purposes of the VCE is to reduce load on the CPU during gameplay capture by instead offloading the encoding to a more powerful, specialized component (the VCE) and reduce performance overhead from capture. AMD's VCE and nVidia's Kepler/Maxwell encoders both work phenomenally well at retaining native performance during capture, as seen below.

Author: Steve Burke

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Sours: https://www.gamersnexus.net/dictionary

With the arrival of Kaby Lake on the microarchitecture roadmap, Intel had effectively signaled the end of their long-established “tick-tock” cadence of manufacturing and design, opting instead for the new “process-architecture-optimize” paradigm. Specifically, the “optimization” step comes by way of a revised fin profile as part of the new process that Intel has dubbed “14nm+.” While the architecture remains largely unchanged from Skylake, the improved fin profile and larger fin pitch affords a less transistor-dense design, making way for MHz headroom in overclocking performance, which can be ascertained by looking at our review of the i7-7700K. Furthermore, readers can learn more about the Kaby Lake architecture, SKUs, and the Intel 200-series chipsets amongst the usual thermal and benchmark performance. To an extent, Kaby Lake can be viewed as the Devil’s Canyon counterpart to Skylake.

The scope of our build today will be dual purpose, so to speak. In its duality, the foremost objective will be leveraging the new Intel i7-7700K in combination with a GeForce GTX 1080, underpinning our second objective: 144Hz & 120Hz based gaming. The build will be ready for resolutions at 1080p or 1440p with higher refresh rates (144 & 120), and will still manage a minimum of 60 FPS with ultra settings. Lowering settings will allow for that 120-144Hz refresh target.

We will also deploy one of the new Z270 motherboards, complimenting the overclocking aptness of the i7-7700K. Speaking of overclocking, the i7-7700K approaches the 5GHz barrier with relative ease. We’ll be relying on a CLC cooling solution with 280mm of radiator space. While it may prove conceivable to approach a 5GHz overclock with active air cooling thanks to a better frequency/voltage curve with Kaby Lake, there are a couple reasons we won’t go that route, detailed below.

Additionally, we will list a 144Hz, G-Sync-capable display as an optional purchase. Find our tutorial on building a gaming PC below, if this is all new. In an interesting deviation from our normal methodology, the team at GamersNexus will be replicating this build and running it through the benchmark gauntlet.

Editor's note: The point was to use only products that we had in our inventory, meaning no purchases or product requests allowed.

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Sours: https://www.gamersnexus.net/pc-builds

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