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GeForce GTX 950 vs Radeon HD 5850

Intro

The GeForce GTX 950 has a core clock speed of 1024 MHz and a GDDR5 memory frequency of 1652 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It features 768 SPUs, 48 TAUs, and 32 ROPs.

Compare that to the Radeon HD 5850, which uses a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this particular model. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
Radeon HD 5850 151 Watts
Difference: 61 Watts (68%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5850 should be 21% faster than the GeForce GTX 950 overall, due to its higher bandwidth. (explain)

Radeon HD 5850 128000 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 22272 (21%)

Texel Rate

The Radeon HD 5850 will be just a bit (about 6%) better at texture filtering than the GeForce GTX 950. (explain)

Radeon HD 5850 52200 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 3048 (6%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 950 is the winner, by a large margin. (explain)

GeForce GTX 950 32768 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 9568 (41%)

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 950

Amazon.com

Check prices at:

Radeon HD 5850

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 950 Radeon HD 5850
Manufacturer nVidia AMD
Year August 2015 September 30, 2009
Code Name GM206 Cypress PRO
Memory 2048 MB 1024 MB
Core Speed 1024 MHz 725 MHz
Memory Speed 6608 MHz 4000 MHz
Power (Max TDP) 90 watts 151 watts
Bandwidth 105728 MB/sec 128000 MB/sec
Texel Rate 49152 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 32768 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 768 1440(288x5)
Texture Mapping Units 48 72
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 2940 million 2154 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12.0 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). 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 ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 950

Amazon.com

Check prices at:

Radeon HD 5850

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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