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GeForce GTX 460 2GB vs Radeon HD 4730

Intro

The GeForce GTX 460 2GB has a clock frequency of 675 MHz and a GDDR5 memory speed of 900 MHz. It also makes use of a 256-bit memory bus, and uses a 40 nm design. It features 336 SPUs, 56 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 4730, which makes use of a 55 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 memory runs at a frequency of 900 MHz on this particular model. It features 640(128x5) SPUs as well as 32 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4730 140 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 20 Watts (14%)

Memory Bandwidth

The GeForce GTX 460 2GB, in theory, should be a lot faster than the Radeon HD 4730 overall. (explain)

GeForce GTX 460 2GB 115200 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 57600 (100%)

Texel Rate

The GeForce GTX 460 2GB will be quite a bit (approximately 69%) better at texture filtering than the Radeon HD 4730. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
Radeon HD 4730 22400 Mtexels/sec
Difference: 15400 (69%)

Pixel Rate

The GeForce GTX 460 2GB is much (about 286%) faster with regards to AA than the Radeon HD 4730, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 16000 (286%)

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 4730

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 460 2GB Radeon HD 4730
Manufacturer nVidia AMD
Year July 2010 Jun 8, 2009
Code Name GF104 RV770/CE
Memory 2048 MB 512 MB
Core Speed 675 MHz 700 MHz
Memory Speed 3600 MHz 3600 MHz
Power (Max TDP) 160 watts 140 watts
Bandwidth 115200 MB/sec 57600 MB/sec
Texel Rate 37800 Mtexels/sec 22400 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 5600 Mpixels/sec
Unified Shaders 336 640(128x5)
Texture Mapping Units 56 32
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 1950 million 956 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics 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 number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

Radeon HD 4730

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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