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GeForce GTX 460 SE vs Radeon HD 7750

Intro

The GeForce GTX 460 SE has a clock speed of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 288 SPUs, 48 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon HD 7750, which features core clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the GeForce GTX 460 SE should perform quite a bit faster than the Radeon HD 7750 in general. (explain)

GeForce GTX 460 SE 108800 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 36800 (51%)

Texel Rate

The GeForce GTX 460 SE will be quite a bit (about 22%) faster with regards to AF than the Radeon HD 7750. (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 5600 (22%)

Pixel Rate

The GeForce GTX 460 SE will be a lot (approximately 63%) faster with regards to anti-aliasing than the Radeon HD 7750, and will be capable of handling higher resolutions better. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 8000 (63%)

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 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 SE Radeon HD 7750
Manufacturer nVidia AMD
Year November 2010 February 2012
Code Name GF104 Cape Verde Pro
Memory 1024 MB 1024 MB
Core Speed 650 MHz 800 MHz
Memory Speed 3400 MHz 4500 MHz
Power (Max TDP) 150 watts 55 watts
Bandwidth 108800 MB/sec 72000 MB/sec
Texel Rate 31200 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 288 512
Texture Mapping Units 48 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-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 maximum amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 460 SE

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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