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GeForce GTX 465 vs Radeon HD 5670

Intro

The GeForce GTX 465 features a clock frequency of 607 MHz and a GDDR5 memory frequency of 802 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is made up of 352 SPUs, 44 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the Radeon HD 5670, which makes use of a 40 nm design. AMD has set the core speed at 775 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this card. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTX 465 200 Watts
Difference: 139 Watts (228%)

Memory Bandwidth

In theory, the GeForce GTX 465 is 60% quicker than the Radeon HD 5670 in general, because of its higher bandwidth. (explain)

GeForce GTX 465 102592 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 38592 (60%)

Texel Rate

The GeForce GTX 465 will be a lot (about 72%) better at AF than the Radeon HD 5670. (explain)

GeForce GTX 465 26708 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 11208 (72%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 465 is superior to the Radeon HD 5670, by a large margin. (explain)

GeForce GTX 465 19424 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 13224 (213%)

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 5670

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 5670
Manufacturer nVidia AMD
Year May 2010 January 14, 2010
Code Name GF100 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 607 MHz 775 MHz
Memory Speed 3208 MHz 4000 MHz
Power (Max TDP) 200 watts 61 watts
Bandwidth 102592 MB/sec 64000 MB/sec
Texel Rate 26708 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 352 400(80x5)
Texture Mapping Units 44 20
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 627 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 (counted in MB per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 in one second. This number is calculated by multiplying the total number 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 465

Amazon.com

Check prices at:

Radeon HD 5670

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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