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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 6570 XFX 1GB Edition are very slightly better than the AMD Radeon HD 8670D.
The Radeon HD 8670D has a 194 MHz higher core clock speed and the same number of Texture Mapping Units as the HD 6570. This results in the Radeon HD 8670D providing 4.7 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.
The Radeon HD 8670D has a 194 MHz higher core clock speed than the HD 6570 and the same number of Render Output Units. This results in the Radeon HD 8670D providing 1.6 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The Radeon HD 8670D was released over a year more recently than the HD 6570, and so the Radeon HD 8670D is likely to have better driver support, meaning it will be more optimized for running the latest games.
The HD 6570 has 1024 MB video memory, but the Radeon HD 8670D does not have an entry, so the two GPUs cannot be reliably compared in this area.
The Radeon HD 8670D has 384 Shader Processing Units and the Radeon HD 6570 XFX 1GB Edition has 480. However, the actual shader performance of the Radeon HD 8670D is 249.6 and the actual shader performance of the HD 6570 is 312. The HD 6570 having 62.4 better shader performance is not particularly notable, as altogether the Radeon HD 8670D performs better when taking into account other relevant data.
The Radeon HD 8670D transistor size technology is 8 nm (nanometers) smaller than the HD 6570. This means that the Radeon HD 8670D is expected to run very slightly cooler and achieve higher clock frequencies than the HD 6570. As they exhibit similar graphical performance, the Radeon HD 8670D should consume less power than the HD 6570.
The Radeon HD 8670D requires 100 Watts to run and the Radeon HD 6570 XFX 1GB Edition requires 44 Watts. We would recommend a PSU with at least 400 Watts for the HD 6570, but we do not have a recommended PSU wattage for the Radeon HD 8670D. The Radeon HD 8670D requires 56 Watts more than the HD 6570 to run. The difference is significant enough that the Radeon HD 8670D may have an adverse affect on your yearly electricity bills in comparison to the HD 6570.
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|Max Power||100 Watts||vs||44 Watts|
|Recommended RAM||-||6 GB|
|Recommended Screen Size||-||1366x768|
|Recommended PSU||-||400 Watts & 22 Amps|
|Mini Review||Radeon HD 8670D is an embedded Graphics Card on the high-end Richland APUs A10-6700 and A10-6800K. |
They offer 384 Shader Processing Units, 24 TMUs and 8 ROPs. The memory interface depends on whether or not the system's RAM is dual channelled.
While the central unit runs at 844MHz, since the GFX doesn't have dedicated memory, the bandwidth will depend on the system ram speed which can be up to 2133MHz (the max speed supported by the CPU). Therefore, the max operating memory clock is 1067MHz.
Its performance is quite superior to Intel HD 4600 but only very slightly better than previous Radeon HD 7660D.
|Radeon HD 6570 XFX 1GB Edition is a special edition of the middle-class Radeon HD 6570. |
Unfortunately this version has a huge bottleneck on the memory. The bus width is 64 bits, instead of 128 bits and the memory clock is set to 650MHz, instead of 900MHz. The latter might be gasped with over-clocking though.
Radeon HD 6570 XFX 1GB Edition suffers from a huge memory bottleneck and so its performance is worse than the standard Radeon HD 6570 as the bandwidth only allows around 400MB of video memory (dedicated) to be used.