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GeForce GTX 460 vs Radeon HD 7750

Intro

The GeForce GTX 460 uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 RAM runs at a frequency of 900 MHz on this specific model. It features 336 SPUs along with 56 Texture Address Units and 24 Rasterization Operator Units.

Compare that to the Radeon HD 7750, which features a core clock frequency of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is comprised of 512 SPUs, 32 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

GeForce GTX 460 2557 points
Radeon HD 7750 2240 points
Difference: 317 (14%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 460 150 Watts
Difference: 95 Watts (173%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 is 20% quicker than the Radeon HD 7750 overall, due to its greater bandwidth. (explain)

GeForce GTX 460 86400 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The GeForce GTX 460 is much (more or less 48%) more effective at anisotropic filtering than the Radeon HD 7750. (explain)

GeForce GTX 460 37800 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 12200 (48%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 is a better choice, by far. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 3400 (27%)

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 7750

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 7750
Manufacturer nVidia AMD
Year July 2010 February 2012
Code Name GF104 Cape Verde Pro
Memory 768 MB 1024 MB
Core Speed 675 MHz 800 MHz
Memory Speed 3600 MHz 4500 MHz
Power (Max TDP) 150 watts 55 watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 37800 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 336 512
Texture Mapping Units 56 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 1500 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that can be applied per second. This is worked out 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 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 most pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 460

Amazon.com

Check prices at:

Radeon HD 7750

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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