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GeForce GTX 650 vs Radeon HD 5750 512MB

Intro

The GeForce GTX 650 comes with a clock speed of 1058 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is made up of 384 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 5750 512MB, which features GPU core speed of 700 MHz, and 512 MB of GDDR5 memory set to run at 1150 MHz through a 128-bit bus. It also is comprised of 720(144x5) Stream Processors, 36 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Radeon HD 5750 512MB 86 Watts
Difference: 22 Watts (34%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 650 should in theory be a small bit superior to the Radeon HD 5750 512MB overall. (explain)

GeForce GTX 650 80000 MB/sec
Radeon HD 5750 512MB 73600 MB/sec
Difference: 6400 (9%)

Texel Rate

The GeForce GTX 650 is quite a bit (approximately 34%) better at AF than the Radeon HD 5750 512MB. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon HD 5750 512MB 25200 Mtexels/sec
Difference: 8656 (34%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 650 is the winner, and very much so. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon HD 5750 512MB 11200 Mpixels/sec
Difference: 5728 (51%)

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 650

Amazon.com

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Radeon HD 5750 512MB

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 650 Radeon HD 5750 512MB
Manufacturer nVidia AMD
Year September 2012 October 13, 2009
Code Name GK107 Juniper LE
Memory 1024 MB 512 MB
Core Speed 1058 MHz 700 MHz
Memory Speed 5000 MHz 4600 MHz
Power (Max TDP) 64 watts 86 watts
Bandwidth 80000 MB/sec 73600 MB/sec
Texel Rate 33856 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 384 720(144x5)
Texture Mapping Units 32 36
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 1300 million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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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