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Radeon HD 5850 vs Radeon R7 250X 2GB

Intro

The Radeon HD 5850 features core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon R7 250X 2GB, which comes with a core clock speed of 1000 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB 95 Watts
Radeon HD 5850 151 Watts
Difference: 56 Watts (59%)

Memory Bandwidth

The Radeon HD 5850 should theoretically perform quite a bit faster than the Radeon R7 250X 2GB overall. (explain)

Radeon HD 5850 128000 MB/sec
Radeon R7 250X 2GB 72000 MB/sec
Difference: 56000 (78%)

Texel Rate

The Radeon HD 5850 will be much (about 31%) better at anisotropic filtering than the Radeon R7 250X 2GB. (explain)

Radeon HD 5850 52200 Mtexels/sec
Radeon R7 250X 2GB 40000 Mtexels/sec
Difference: 12200 (31%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 5850 is superior to the Radeon R7 250X 2GB, by far. (explain)

Radeon HD 5850 23200 Mpixels/sec
Radeon R7 250X 2GB 16000 Mpixels/sec
Difference: 7200 (45%)

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

Check prices at:

Radeon R7 250X 2GB

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 5850 Radeon R7 250X 2GB
Manufacturer AMD AMD
Year September 30, 2009 February 2014
Code Name Cypress PRO Cape Verde XT
Memory 1024 MB 2048 MB
Core Speed 725 MHz 1000 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 151 watts 95 watts
Bandwidth 128000 MB/sec 72000 MB/sec
Texel Rate 52200 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 1440(288x5) 640
Texture Mapping Units 72 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 1500 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 over the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 are processed in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

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

Display Prices

Hide Prices

Radeon HD 5850

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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