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GeForce GTX 465 vs Radeon HD 5850

Intro

The GeForce GTX 465 uses a 40 nm design. nVidia has set the core speed at 607 MHz. The GDDR5 RAM runs at a speed of 802 MHz on this specific model. It features 352 SPUs along with 44 TAUs and 32 ROPs.

Compare those specs to the Radeon HD 5850, which has core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1440(288x5) SPUs along with 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

Theoretically speaking, the Radeon HD 5850 will be 25% faster than the GeForce GTX 465 in general, due to its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 5850 will be much (about 95%) better at anisotropic filtering than the GeForce GTX 465. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 5850 is a better choice, 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 max amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. 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 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 get to 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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