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GeForce GTX 950 vs Radeon RX 550

Intro

The GeForce GTX 950 uses a 28 nm design. nVidia has clocked the core speed at 1024 MHz. The GDDR5 memory works at a speed of 1652 MHz on this model. It features 768 SPUs along with 48 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 550, which features GPU core speed of 1100 MHz, and 2048 MB of GDDR5 RAM set to run at 1750 MHz through a 128-bit bus. It also features 512 SPUs, 32 Texture Address Units, and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 950 6536 points
Radeon RX 550 3507 points
Difference: 3029 (86%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
GeForce GTX 950 90 Watts
Difference: 40 Watts (80%)

Memory Bandwidth

As far as performance goes, the Radeon RX 550 should theoretically be just a bit better than the GeForce GTX 950 overall. (explain)

Radeon RX 550 114688 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 8960 (8%)

Texel Rate

The GeForce GTX 950 is much (about 40%) more effective at anisotropic filtering than the Radeon RX 550. (explain)

GeForce GTX 950 49152 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 13952 (40%)

Pixel Rate

The GeForce GTX 950 will be quite a bit (about 86%) more effective at AA than the Radeon RX 550, and should be capable of handling higher resolutions better. (explain)

GeForce GTX 950 32768 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 15168 (86%)

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 RX 550

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 RX 550
Manufacturer nVidia AMD
Year August 2015 April 2017
Code Name GM206 Polaris 12
Memory 2048 MB 2048 MB
Core Speed 1024 MHz 1100 MHz
Memory Speed 6608 MHz 7000 MHz
Power (Max TDP) 90 watts 50 watts
Bandwidth 105728 MB/sec 114688 MB/sec
Texel Rate 49152 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 32768 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 768 512
Texture Mapping Units 48 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 14 nm
Transistors 2940 million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 maximum amount of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 950

Amazon.com

Check prices at:

Radeon RX 550

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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