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GeForce GTX 750 vs Radeon HD 5770

Intro

The GeForce GTX 750 uses a 28 nm design. nVidia has clocked the core frequency at 1020 MHz. The GDDR5 memory runs at a frequency of 1250 MHz on this card. It features 512 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 5770, which comes with GPU clock speed of 850 MHz, and 1024 MB of GDDR5 memory running at 1200 MHz through a 128-bit bus. It also is comprised of 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
Radeon HD 5770 108 Watts
Difference: 53 Watts (96%)

Memory Bandwidth

Performance-wise, the GeForce GTX 750 should theoretically be a little bit better than the Radeon HD 5770 in general. (explain)

GeForce GTX 750 80000 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 3200 (4%)

Texel Rate

The Radeon HD 5770 should be a little bit (approximately 4%) faster with regards to anisotropic filtering than the GeForce GTX 750. (explain)

Radeon HD 5770 34000 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 1360 (4%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 750 is a better choice, but not by far. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 2720 (20%)

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 5770

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 5770
Manufacturer nVidia AMD
Year February 2014 October 13, 2009
Code Name GM107 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 1020 MHz 850 MHz
Memory Speed 5000 MHz 4800 MHz
Power (Max TDP) 55 watts 108 watts
Bandwidth 80000 MB/sec 76800 MB/sec
Texel Rate 32640 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 512 800(160x5)
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 1870 million 1040 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 largest amount of data (counted in MB per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units by the core 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon HD 5770

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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