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GeForce GTX 950M vs Radeon HD 5550

Intro

The GeForce GTX 950M comes with a GPU core speed of 914 MHz, and the 2048 MB of DDR3 memory runs at 1000 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 5550, which comes with core speeds of 550 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 RAM. It features 320(64x5) SPUs along with 16 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 950M should in theory be a lot better than the Radeon HD 5550 overall. (explain)

GeForce GTX 950M 32000 MB/sec
Radeon HD 5550 12800 MB/sec
Difference: 19200 (150%)

Texel Rate

The GeForce GTX 950M is much (about 315%) better at texture filtering than the Radeon HD 5550. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 5550 8800 Mtexels/sec
Difference: 27760 (315%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 950M is a better choice, by a large margin. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 5550 4400 Mpixels/sec
Difference: 10224 (232%)

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 950M

Amazon.com

Check prices at:

Radeon HD 5550

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 950M Radeon HD 5550
Manufacturer nVidia AMD
Year March 12 2015 February 9, 2010
Code Name GM107 Redwood LE
Memory 2048 MB 512 MB
Core Speed 914 MHz 550 MHz
Memory Speed 2000 MHz 800 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 32000 MB/sec 12800 MB/sec
Texel Rate 36560 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 640 320(64x5)
Texture Mapping Units 40 16
Render Output Units 16 8
Bus Type DDR3 DDR2
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 627 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 output rate also depends on many other factors, especially the memory bandwidth of the card - 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 950M

Amazon.com

Check prices at:

Radeon HD 5550

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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