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GeForce GTX 460 2GB vs Radeon HD 4670 512MB

Intro

The GeForce GTX 460 2GB has core clock speeds of 675 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs and 32 ROPs.

Compare that to the Radeon HD 4670 512MB, which features GPU core speed of 750 MHz, and 512 MB of GDDR4/GDDR3/DDR3/DDR2 RAM running at 1000 MHz through a 128-bit bus. It also features 320(64x5) Stream Processors, 32 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 512MB 70 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 90 Watts (129%)

Memory Bandwidth

Theoretically, the GeForce GTX 460 2GB should perform a lot faster than the Radeon HD 4670 512MB overall. (explain)

GeForce GTX 460 2GB 115200 MB/sec
Radeon HD 4670 512MB 32000 MB/sec
Difference: 83200 (260%)

Texel Rate

The GeForce GTX 460 2GB is quite a bit (about 58%) faster with regards to texture filtering than the Radeon HD 4670 512MB. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
Radeon HD 4670 512MB 24000 Mtexels/sec
Difference: 13800 (58%)

Pixel Rate

The GeForce GTX 460 2GB should be quite a bit (more or less 260%) better at FSAA than the Radeon HD 4670 512MB, and capable of handling higher resolutions more effectively. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
Radeon HD 4670 512MB 6000 Mpixels/sec
Difference: 15600 (260%)

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 460 2GB

Amazon.com

Check prices at:

Radeon HD 4670 512MB

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

Display Specifications

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Model GeForce GTX 460 2GB Radeon HD 4670 512MB
Manufacturer nVidia AMD
Year July 2010 Sep 10, 2008
Code Name GF104 RV730 XT
Memory 2048 MB 512 MB
Core Speed 675 MHz 750 MHz
Memory Speed 3600 MHz 2000 MHz
Power (Max TDP) 160 watts 70 watts
Bandwidth 115200 MB/sec 32000 MB/sec
Texel Rate 37800 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 336 320(64x5)
Texture Mapping Units 56 32
Render Output Units 32 8
Bus Type GDDR5 GDDR4/GDDR3/DDR3/DDR2
Bus Width 256-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 1950 million 514 million
Bus PCIe x16 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's interface 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 higher 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 amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's 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 rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

Radeon HD 4670 512MB

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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