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GeForce GTX 750 vs Radeon HD 5670

Intro

The GeForce GTX 750 has clock speeds of 1020 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs as well as 32 Texture Address Units and 16 ROPs.

Compare those specs to the Radeon HD 5670, which uses a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this card. It features 400(80x5) SPUs along with 20 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
Radeon HD 5670 61 Watts
Difference: 6 Watts (11%)

Memory Bandwidth

Performance-wise, the GeForce GTX 750 should in theory be quite a bit superior to the Radeon HD 5670 overall. (explain)

GeForce GTX 750 80000 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 16000 (25%)

Texel Rate

The GeForce GTX 750 should be a lot (more or less 111%) more effective at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 750 32640 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 17140 (111%)

Pixel Rate

The GeForce GTX 750 will be a lot (more or less 163%) better at FSAA than the Radeon HD 5670, and also will be able to handle higher screen resolutions better. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 10120 (163%)

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 750

Amazon.com

Check prices at:

Radeon HD 5670

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 750 Radeon HD 5670
Manufacturer nVidia AMD
Year February 2014 January 14, 2010
Code Name GM107 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 1020 MHz 775 MHz
Memory Speed 5000 MHz 4000 MHz
Power (Max TDP) 55 watts 61 watts
Bandwidth 80000 MB/sec 64000 MB/sec
Texel Rate 32640 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 512 400(80x5)
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 1870 million 627 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.4 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon HD 5670

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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