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GeForce GTX 460 SE vs Radeon HD 4870 2GB

Intro

The GeForce GTX 460 SE uses a 40 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR5 memory works at a frequency of 850 MHz on this card. It features 288 SPUs along with 48 TAUs and 32 ROPs.

Compare all of that to the Radeon HD 4870 2GB, which features a GPU core clock speed of 750 MHz, and 2048 MB of GDDR5 memory running at 900 MHz through a 256-bit bus. It also is comprised of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the Radeon HD 4870 2GB should be a bit faster than the GeForce GTX 460 SE in general. (explain)

Radeon HD 4870 2GB 115200 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 6400 (6%)

Texel Rate

The GeForce GTX 460 SE is a small bit (more or less 4%) more effective at texture filtering than the Radeon HD 4870 2GB. (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
Radeon HD 4870 2GB 30000 Mtexels/sec
Difference: 1200 (4%)

Pixel Rate

The GeForce GTX 460 SE should be quite a bit (more or less 73%) more effective at FSAA than the Radeon HD 4870 2GB, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
Radeon HD 4870 2GB 12000 Mpixels/sec
Difference: 8800 (73%)

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 SE

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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 SE Radeon HD 4870 2GB
Manufacturer nVidia AMD
Year November 2010 Jun 25, 2008
Code Name GF104 RV770 XT
Memory 1024 MB 2048 MB
Core Speed 650 MHz 750 MHz
Memory Speed 3400 MHz 3600 MHz
Power (Max TDP) 150 watts 150 watts
Bandwidth 108800 MB/sec 115200 MB/sec
Texel Rate 31200 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 288 800(160x5)
Texture Mapping Units 48 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-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: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460 SE

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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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