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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.

Can I Run It

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GPU Core Details

Core Speed850 MHzvs850 MHz
ArchitectureGCN 1.1 Neptune XTGCN 1.0 Wimbledon XT
Notebook GPUyesyes
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Release Date01 May 201301 May 2012
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory2048 MBvs2048 MB
Memory Speed1200 MHzvs1200 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth153.6GB/secvs153.6GB/sec
Comparison

GPU Display

Shader Processing Units1280vs1280
Actual Shader Performance1152vs1152
Technology28nmvs28nm
Texture Mapping Units80vs80
Texture Rate68 GTexel/svs68 GTexel/s
Render Output Units32vs32
Pixel Rate27.2 GPixel/svs27.2 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.3vs4.2
Max Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs1
HDMI Connections0vs1
Comparison

GPU Power Requirements

Max Power100 Wattsvs100 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1920x10801920x1080
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon 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.
Recommended CPUIntel Core i5-3340M 2.7GHz
Intel Core i7-2637M 2-Core 1.7GHz
Intel Core i7-620M 2-Core 2.66GHz
Intel Core i5-4400E 2.7GHz
Intel Core i5-4200M 2.5GHz
Intel Core i7-2860QM 4-Core 2.5GHz
Intel Core i7-4712MQ 4-Core 2.3GHz
Intel Core i7-4712HQ 4-Core 2.3GHz
Intel Core i7-4750HQ 4-Core 2.0GHz
Intel Core i7-3635QM 4-Core 2.4GHz
Possible GPU Upgrades--
GPU Variants--