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Radeon HD 5970 vs Radeon R7 M265

Intro

The Radeon HD 5970 uses a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular card. It features 1600 SPUs along with 160 TAUs and 64 ROPs.

Compare those specifications to the Radeon R7 M265, which has clock speeds of 725 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5970 will be 700% faster than the Radeon R7 M265 overall, because of its greater data rate. (explain)

Radeon HD 5970 256000 MB/sec
Radeon R7 M265 32000 MB/sec
Difference: 224000 (700%)

Texel Rate

The Radeon HD 5970 will be a lot (more or less 1233%) faster with regards to AF than the Radeon R7 M265. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon R7 M265 17400 Mtexels/sec
Difference: 214600 (1233%)

Pixel Rate

The Radeon HD 5970 will be a lot (approximately 1500%) faster with regards to AA than the Radeon R7 M265, and able to handle higher resolutions more effectively. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon R7 M265 5800 Mpixels/sec
Difference: 87000 (1500%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 5970

Amazon.com

Check prices at:

Radeon R7 M265

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon HD 5970 Radeon R7 M265
Manufacturer AMD AMD
Year November 2009 May 1 2014
Code Name Hemlock XT Opal XT
Memory 1024 MB (x2) 2048 MB
Core Speed 725 MHz (x2) 725 MHz
Memory Speed 4000 MHz (x2) 2000 MHz
Power (Max TDP) 294 watts (Unknown) watts
Bandwidth 256000 MB/sec 32000 MB/sec
Texel Rate 232000 Mtexels/sec 17400 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 5800 Mpixels/sec
Unified Shaders 1600 (x2) 384
Texture Mapping Units 160 (x2) 24
Render Output Units 64 (x2) 8
Bus Type GDDR5 DDR3
Bus Width 256-bit (x2) 128-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon R7 M265

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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