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GeForce GTX 650 vs Radeon HD 5750 512MB

Intro

The GeForce GTX 650 has a clock frequency of 1058 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 5750 512MB, which comes with a GPU core clock speed of 700 MHz, and 512 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also is made up of 720(144x5) Stream Processors, 36 Texture Address Units, and 16 ROPs.

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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

Performance-wise, the GeForce GTX 650 should in theory be a bit superior to the Radeon HD 5750 512MB in general. (explain)

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

Texel Rate

The GeForce GTX 650 is much (approximately 34%) more effective at texture filtering 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 running with lots of anti-aliasing is important to you, then the GeForce GTX 650 is superior to the Radeon HD 5750 512MB, 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

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.

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 (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 are applied in one second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out 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 drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - 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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