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GeForce GTX 650 vs Radeon HD 5750 1GB

Intro

The GeForce GTX 650 uses a 28 nm design. nVidia has clocked the core speed at 1058 MHz. The GDDR5 memory runs at a speed of 1250 MHz on this particular model. It features 384 SPUs along with 32 TAUs and 16 ROPs.

Compare all that to the Radeon HD 5750 1GB, which features GPU core speed of 700 MHz, and 1024 MB of GDDR5 RAM set to run at 1150 MHz through a 128-bit bus. It also is made up of 720(144x5) Stream Processors, 36 TAUs, 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 1GB 86 Watts
Difference: 22 Watts (34%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 should perform a bit faster than the Radeon HD 5750 1GB overall. (explain)

GeForce GTX 650 80000 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 6400 (9%)

Texel Rate

The GeForce GTX 650 is quite a bit (more or less 34%) better at anisotropic filtering than the Radeon HD 5750 1GB. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 8656 (34%)

Pixel Rate

The GeForce GTX 650 should be quite a bit (approximately 51%) faster with regards to anti-aliasing than the Radeon HD 5750 1GB, and also able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon HD 5750 1GB 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 1GB

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 1GB
Manufacturer nVidia AMD
Year September 2012 October 13, 2009
Code Name GK107 Juniper LE
Memory 1024 MB 1024 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 max amount of information (in units of megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. 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 quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Check prices at:

Radeon HD 5750 1GB

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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