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GeForce GTX 465 vs Radeon HD 5850

Intro

The GeForce GTX 465 has a GPU core speed of 607 MHz, and the 1024 MB of GDDR5 memory runs at 802 MHz through a 256-bit bus. It also is made up of 352 SPUs, 44 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 5850, which comes with core speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1440(288x5) SPUs as well as 72 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
GeForce GTX 465 200 Watts
Difference: 49 Watts (32%)

Memory Bandwidth

The Radeon HD 5850 should in theory perform quite a bit faster than the GeForce GTX 465 in general. (explain)

Radeon HD 5850 128000 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 25408 (25%)

Texel Rate

The Radeon HD 5850 will be quite a bit (approximately 95%) more effective at texture filtering than the GeForce GTX 465. (explain)

Radeon HD 5850 52200 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 25492 (95%)

Pixel Rate

The Radeon HD 5850 is a small bit (approximately 19%) more effective at anti-aliasing than the GeForce GTX 465, and also should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon HD 5850 23200 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 3776 (19%)

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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GeForce GTX 465

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 465 Radeon HD 5850
Manufacturer nVidia AMD
Year May 2010 September 30, 2009
Code Name GF100 Cypress PRO
Memory 1024 MB 1024 MB
Core Speed 607 MHz 725 MHz
Memory Speed 3208 MHz 4000 MHz
Power (Max TDP) 200 watts 151 watts
Bandwidth 102592 MB/sec 128000 MB/sec
Texel Rate 26708 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 352 1440(288x5)
Texture Mapping Units 44 72
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 2154 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling 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 could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 465

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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