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GeForce GTX 465 vs Radeon HD 5850

Intro

The GeForce GTX 465 features core speeds of 607 MHz on the GPU, and 802 MHz on the 1024 MB of GDDR5 memory. It features 352 SPUs as well as 44 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 5850, which makes use of a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this specific model. It features 1440(288x5) SPUs along with 72 TAUs and 32 ROPs.

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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

Theoretically, the Radeon HD 5850 should 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 is a lot (more or less 95%) better at AF than the GeForce GTX 465. (explain)

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

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 5850 is superior to the GeForce GTX 465, but it probably won't make a huge difference. (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 data (counted in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate 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 drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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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.

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