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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 8970M are very slightly better than the AMD Radeon HD 7970M.
The Radeon HD 8970M and the Radeon HD 7970M have both the same core clock speed and the same Texture Fill Rate. 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 8970M and the Radeon HD 7970M have both the same core clock speed and the same Pixel Fill Rate. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The Radeon HD 8970M was released less than a year after the Radeon HD 7970M, and so they are likely to have similar driver support for optimizing performance when running the latest games.
The Radeon HD 8970M and the Radeon HD 7970M have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.
The memory bandwidth of the Radeon HD 8970M and the Radeon HD 7970M are the same, which means the Radeon HD 8970M and the Radeon HD 7970M have equal limitations when it comes to graphical data transfer.
Both the Radeon HD 8970M and the Radeon HD 7970M have 1280 Shader Processing Units. The two GPUs are based on different architectures, but deliver an equivalent shader performance. To compare, we must continue to look at the memory bandwidth, Texture and Pixel Rates. In this case, although the GPUs are very similar in performance, the Radeon HD 8970M takes the edge.
The Radeon HD 8970M requires 100 Watts to run and the Radeon HD 7970M requires 100 Watts. The two GPUs require the same amount of wattage to run. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.
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|Max Power||100 Watts||vs||100 Watts|
|Recommended RAM||8 GB||vs||8 GB|
|Recommended Screen Size||1920x1080||1920x1080|
|Mini Review||Radeon HD 8970M is a high-end mobile graphics card and successor to Radeon HD 7970M |
Despite its GPU being codenamed "Neptune XT", it offers the same GPU Radeon HD 7970M does and therefore packs 1280 Shader Processing Units, 80 TMUs and 32 ROPs, on a 256-bit memory interface of fast GDDR5. Its central unit runs at 850MHz (up to 900MHz in Turvbo) and the memory clock operates at 1200MHz.
It's therefore a higher-clocked Radeon HD 7970M and should perform up to 10% faster. Its performance is comparable to desktop Radeon HD 7870 due to the core similarities.
|Radeon HD 7970M is a high-end GPU of the Radeon Mobility 7000 Series released by AMD in 2012. |
It's based on the GCN (Graphics Core Next) architecture and therefore not related to any of the previous released GPUs.
Radeon HD 7970M was based on the Pitcairn core - a sibling to the Pitcairn Pro and Pitcairn XT used on the desktop Radeon HD 7850 & Radeon HD 7870. It's more related to the Pitcairn XT (Radeon HD 7870), since all the Pipelines are activated. However, the clock frequencies are considerably lower. This still puts Radeon 7970M's performance at a very good level.
The performance is exceptionally good and so even the most demanding games will run at the highest settings, side perhaps from games like Metro 2033/The Witcher 2/Alan Wake that might require reduced resolutions to achieve optimum FPS.