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GeForce GTX 460 vs Radeon HD 7790

Intro

The GeForce GTX 460 features core clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 24 ROPs.

Compare those specs to the Radeon HD 7790, which features a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1500 MHz through a 128-bit bus. It also features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 7790 4330 points
GeForce GTX 460 2557 points
Difference: 1773 (69%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790 85 Watts
GeForce GTX 460 150 Watts
Difference: 65 Watts (76%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7790 should in theory be just a bit superior to the GeForce GTX 460 overall. (explain)

Radeon HD 7790 96000 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The Radeon HD 7790 should be much (more or less 48%) more effective at AF than the GeForce GTX 460. (explain)

Radeon HD 7790 56000 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 18200 (48%)

Pixel Rate

The GeForce GTX 460 will be a little bit (approximately 1%) more effective at FSAA than the Radeon HD 7790, and will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon HD 7790 16000 Mpixels/sec
Difference: 200 (1%)

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

Amazon.com

Check prices at:

Radeon HD 7790

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 Radeon HD 7790
Manufacturer nVidia AMD
Year July 2010 March 2013
Code Name GF104 Bonaire XT
Memory 768 MB 1024 MB
Core Speed 675 MHz 1000 MHz
Memory Speed 3600 MHz 6000 MHz
Power (Max TDP) 150 watts 85 watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 37800 Mtexels/sec 56000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 336 896
Texture Mapping Units 56 56
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 2080 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR 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 figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 maximum amount of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines 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 also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 460

Amazon.com

Check prices at:

Radeon HD 7790

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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