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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 made up of 640 Stream Processors, 40 TAUs, and 16 ROPs.

Compare those specs to the Radeon HD 5550, which has a clock speed of 550 MHz and a DDR2 memory frequency of 400 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It is comprised of 320(64x5) SPUs, 16 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 950M should in theory perform quite a bit faster than the Radeon HD 5550 in general. (explain)

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

Texel Rate

The GeForce GTX 950M will be much (about 315%) faster with regards to 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

The GeForce GTX 950M should be a lot (approximately 232%) more effective at anti-aliasing than the Radeon HD 5550, and will be able to handle higher resolutions better. (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 (counted in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential 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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