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Radeon HD 5850 vs Radeon R7 240

Intro

The Radeon HD 5850 comes with a core clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 1440(288x5) SPUs, 72 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon R7 240, which features core speeds of 730 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs along with 20 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 5850 151 Watts
Difference: 121 Watts (403%)

Memory Bandwidth

The Radeon HD 5850, in theory, should perform much faster than the Radeon R7 240 in general. (explain)

Radeon HD 5850 128000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 99200 (344%)

Texel Rate

The Radeon HD 5850 will be quite a bit (approximately 258%) more effective at texture filtering than the Radeon R7 240. (explain)

Radeon HD 5850 52200 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 37600 (258%)

Pixel Rate

The Radeon HD 5850 will be much (about 297%) more effective at anti-aliasing than the Radeon R7 240, and will be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 5850 23200 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 17360 (297%)

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 5850

Amazon.com

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Radeon R7 240

Amazon.com

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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 5850 Radeon R7 240
Manufacturer AMD AMD
Year September 30, 2009 October 2013
Code Name Cypress PRO Oland PRO
Memory 1024 MB 2048 MB
Core Speed 725 MHz 730 MHz
Memory Speed 4000 MHz 1800 MHz
Power (Max TDP) 151 watts 30 watts
Bandwidth 128000 MB/sec 28800 MB/sec
Texel Rate 52200 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 1440(288x5) 320
Texture Mapping Units 72 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: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units by the core clock 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 in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon HD 5850

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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