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GeForce GTX 295 vs Radeon HD 5850

Intro

The GeForce GTX 295 features a GPU core speed of 576 MHz, and the 896 MB of GDDR3 RAM runs at 999 MHz through a 448-bit bus. It also is made up of 240 Stream Processors, 80 Texture Address Units, and 28 Raster Operation Units.

Compare those specifications to the Radeon HD 5850, which comes with a core clock speed of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is comprised of 1440(288x5) SPUs, 72 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
GeForce GTX 295 289 Watts
Difference: 138 Watts (91%)

Memory Bandwidth

The GeForce GTX 295 should theoretically be quite a bit faster than the Radeon HD 5850 overall. (explain)

GeForce GTX 295 223776 MB/sec
Radeon HD 5850 128000 MB/sec
Difference: 95776 (75%)

Texel Rate

The GeForce GTX 295 should be a lot (more or less 77%) better at texture filtering than the Radeon HD 5850. (explain)

GeForce GTX 295 92160 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 39960 (77%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 295 is superior to the Radeon HD 5850, by a large margin. (explain)

GeForce GTX 295 32256 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 9056 (39%)

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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GeForce GTX 295

Amazon.com

Check prices at:

Radeon HD 5850

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 GeForce GTX 295 Radeon HD 5850
Manufacturer nVidia AMD
Year January 8, 2009 September 30, 2009
Code Name G200b Cypress PRO
Memory 896 MB (x2) 1024 MB
Core Speed 576 MHz (x2) 725 MHz
Memory Speed 1998 MHz (x2) 4000 MHz
Power (Max TDP) 289 watts 151 watts
Bandwidth 223776 MB/sec 128000 MB/sec
Texel Rate 92160 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 240 (x2) 1440(288x5)
Texture Mapping Units 80 (x2) 72
Render Output Units 28 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 2154 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

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

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video 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 video card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 295

Amazon.com

Check prices at:

Radeon HD 5850

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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