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Radeon HD 5870 vs Radeon R7 240

Intro

The Radeon HD 5870 comes with a GPU core clock speed of 850 MHz, and the 1024 MB of GDDR5 RAM runs at 1200 MHz through a 256-bit bus. It also is comprised of 1600(320x5) SPUs, 80 Texture Address Units, and 32 ROPs.

Compare that to the Radeon R7 240, which features a core clock speed of 730 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It is comprised of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 5870 188 Watts
Difference: 158 Watts (527%)

Memory Bandwidth

The Radeon HD 5870 should in theory be quite a bit faster than the Radeon R7 240 in general. (explain)

Radeon HD 5870 153600 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 124800 (433%)

Texel Rate

The Radeon HD 5870 is quite a bit (about 366%) faster with regards to texture filtering than the Radeon R7 240. (explain)

Radeon HD 5870 68000 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 53400 (366%)

Pixel Rate

The Radeon HD 5870 should be a lot (approximately 366%) faster with regards to full screen anti-aliasing than the Radeon R7 240, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 5870 27200 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 21360 (366%)

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.

Price Comparison

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Radeon HD 5870

Amazon.com

Check prices at:

Radeon R7 240

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 5870 Radeon R7 240
Manufacturer AMD AMD
Year September 23, 2009 October 2013
Code Name Cypress XT Oland PRO
Memory 1024 MB 2048 MB
Core Speed 850 MHz 730 MHz
Memory Speed 4800 MHz 1800 MHz
Power (Max TDP) 188 watts 30 watts
Bandwidth 153600 MB/sec 28800 MB/sec
Texel Rate 68000 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 1600(320x5) 320
Texture Mapping Units 80 20
Render Output Units 32 8
Bus Type GDDR5 DDR3
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 1040 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5870

Amazon.com

Check prices at:

Radeon R7 240

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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