GPUs Graphics Reviews

Small, hot-cold sister: AMD RX Vega56 with efficiency test and VR

In the end, however, this remains the most exciting question of the day, because there has been little noticeable about a wide availability and above all stable software. So it can only get better. But what's left in the end ... Disassembly and radiator details Removing the top hee cover is easy. With a small Phillips screwdriver (PH1), the six small swivels that hold this cover can be turned out. After that, there is only one... Board layout The RX Vega56, RX Vega 64 and Vega Frontier Edition have the same board, 100% identical components and differ only in the soldered package, as well as a customized firmware. The length is, consider... Ethereum Mining The latest version of Claymore's Dual Ethereum AMD/NVIDIA GPU Miner (V8.9.8) provides support for the Radeon RX Vega, so what we use it for our mining benchmark. All AMD cards run in ASM mode, which is a fe... Dirt Rally (DirectX11) This game has a built-in benchmark and therefore offers absolutely reproducible conditions for each pass While the GeForce GTX 1080 never falls into ASW mode, except for a few dripped frames, the G... Foreword to gaming benchmarks On the following pages, we let the bars and curves speak for themselves and do without filling text. In return, and at the request of many readers, we have not only the overall overviews of all maps. Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Benchmarks in WQHD (2560 x 1440 Pixels) Benchmarks in Ultra HD (3840 x 2160 pixels) Power consumption, BIOS selection and presets AMD (as on the Radeon RX Vega64) also offers two BIOS variants on the Radeon RX Vega56 via switch, whose presets differ from each other. The Power Limit as long as you don't... Clock rates and corresponding gaming performance With Witcher 3 in Ultra HD, we are now testing the worst case at maximum load. Let's just start from the default setting on delivery and set the "Balanced" mode of the BIOS and the there... Fan speeds and operating noise ("volume") As we already know, AMD is trying to prioritize GPU temperatures. It should therefore be clear to everyone that this must be at the expense of fan speeds. First, let's look at the throughs. The RX Vega56 can be convincing in some areas, but not in others. The biggest shortcomings are the launch, which took place one year too late, the almost homeopathic availability of the Vega cards as a whole and the disproportionately high...

Dirt Rally (DirectX11)

This game has a built-in benchmark and therefore offers absolutely reproducible conditions for each pass

While the GeForce GTX 1080 never falls into ASW mode except for a few dropped frames, the GeForce GTX 1070 must take some help with synthesized frames, at least for a short period of time. The RX Vega64 can't do this and can only really fall back on completely rerendered frames at the end of the run after about two-thirds of the runtime, while the RX Vega56 can never leave ASW mode. This only generates 8312 new frames, while Oculus' Runtime 8324 has to contribute synthetically generated frames.

This is also reflected in the frame rate, whereby the RX Vega56 is at least still well above the magic 45 FPS mark and not below it.

Robo Recall

Another game that, like Chronos, is based on the UE4 engo? What at first looks like another suffering number for AMD is quite surprising…

The Radeon RX Vega64 consistently shows the most consistent, if not the fastest, playback and only needs to take a full 19 frame drops. Both GeForce do not fall into ASW mode, but they have to accept more frame drops, even though they are nominally faster with the FPS. With the GeForce 1080, this is 83 frames lost, more than four times as much as the RX Vega64! The RX Vega56 only enters ASW mode for a small interval, but is still the slowest.

Remarkably, although the GeForce GTX 1080 renders 15% faster than the GeForce GTX 1070, it only had to drop 72 frames. Both cards are ahead of the Vega cards in terms of frame rate, but the RX Vega64 provides at least the more consistent result in the Frame Times.
The RX Vega 56, on the other hand, obviously has problems with the "High Detail" setting and 4x MSAA in Robo Recall. An unrestricted frame rate below 90 fps is the acknowledgment that ASW is used for about 1000 of the approx. 13,700 frames of the benchmark.

Serious Sam VR: The Last Hope (DirectX 11)

Serious Sam VR breaks the convention by using Croteam's Inhouse Serious Engine 4.5.

The GeForce GTX 1080 shows a smooth frame-time plot and few exuberant frames. But the RX Vega64 and especially the 56 can still keep connected very well, while the GeForce GTX 1070 is forced into ASW mode just when our test sequence gets a bit more hectic.

All cards pass the 90 FPS hurdle, with the GeForce GTX 1070 barely achieving this. The necessary use of the ASW mode in some places will of course also be reflected in the significantly worse Frame Times.

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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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