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GeForce GTX 465 vs Radeon HD 7750

Intro

The GeForce GTX 465 has a core clock speed of 607 MHz and a GDDR5 memory speed of 802 MHz. It also features a 256-bit bus, and uses a 40 nm design. It features 352 SPUs, 44 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 7750, which has a clock speed of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is comprised of 512 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 465 200 Watts
Difference: 145 Watts (264%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 465 should be quite a bit faster than the Radeon HD 7750 in general. (explain)

GeForce GTX 465 102592 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 30592 (42%)

Texel Rate

The GeForce GTX 465 is a bit (more or less 4%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 465 26708 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 1108 (4%)

Pixel Rate

The GeForce GTX 465 should be much (more or less 52%) faster with regards to FSAA than the Radeon HD 7750, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 465 19424 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 6624 (52%)

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 465

Amazon.com

Check prices at:

Radeon HD 7750

Amazon.com

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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 465 Radeon HD 7750
Manufacturer nVidia AMD
Year May 2010 February 2012
Code Name GF100 Cape Verde Pro
Memory 1024 MB 1024 MB
Core Speed 607 MHz 800 MHz
Memory Speed 3208 MHz 4500 MHz
Power (Max TDP) 200 watts 55 watts
Bandwidth 102592 MB/sec 72000 MB/sec
Texel Rate 26708 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 352 512
Texture Mapping Units 44 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many 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 465

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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