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GeForce GTX 750 vs Radeon HD 5870

Intro

The GeForce GTX 750 has a clock speed of 1020 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is comprised of 512 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon HD 5870, which uses a 40 nm design. AMD has clocked the core speed at 850 MHz. The GDDR5 RAM runs at a speed of 1200 MHz on this particular model. It features 1600(320x5) SPUs along with 80 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
Radeon HD 5870 188 Watts
Difference: 133 Watts (242%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5870 should perform much faster than the GeForce GTX 750 overall. (explain)

Radeon HD 5870 153600 MB/sec
GeForce GTX 750 80000 MB/sec
Difference: 73600 (92%)

Texel Rate

The Radeon HD 5870 is much (approximately 108%) better at anisotropic filtering than the GeForce GTX 750. (explain)

Radeon HD 5870 68000 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 35360 (108%)

Pixel Rate

The Radeon HD 5870 should be a lot (more or less 67%) more effective at anti-aliasing than the GeForce GTX 750, and will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon HD 5870 27200 Mpixels/sec
GeForce GTX 750 16320 Mpixels/sec
Difference: 10880 (67%)

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 5870

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 5870
Manufacturer nVidia AMD
Year February 2014 September 23, 2009
Code Name GM107 Cypress XT
Memory 1024 MB 1024 MB
Core Speed 1020 MHz 850 MHz
Memory Speed 5000 MHz 4800 MHz
Power (Max TDP) 55 watts 188 watts
Bandwidth 80000 MB/sec 153600 MB/sec
Texel Rate 32640 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 512 1600(320x5)
Texture Mapping Units 32 80
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 1870 million 2154 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: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units by the core 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 number of pixels that the graphics card can possibly record to its 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 the card's 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 also depends on quite a few 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 750

Amazon.com

Check prices at:

Radeon HD 5870

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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