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GeForce GTX 950 vs Radeon R9 280X

Intro

The GeForce GTX 950 has a GPU clock speed of 1024 MHz, and the 2048 MB of GDDR5 RAM runs at 1652 MHz through a 128-bit bus. It also is made up of 768 Stream Processors, 48 TAUs, and 32 ROPs.

Compare all of that to the Radeon R9 280X, which features GPU core speed of 850 MHz, and 3072 MB of GDDR5 memory running at 1500 MHz through a 384-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

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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

Radeon R9 280X 8886 points
GeForce GTX 950 6536 points
Difference: 2350 (36%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
GeForce GTX 950 10 Mh/s
Difference: 11 (110%)

Zcash Mining Hash Rate

Radeon R9 280X 294 Sol/s
GeForce GTX 950 155 Sol/s
Difference: 139 (90%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
Radeon R9 280X 250 Watts
Difference: 160 Watts (178%)

Memory Bandwidth

In theory, the Radeon R9 280X is 172% faster than the GeForce GTX 950 overall, due to its higher data rate. (explain)

Radeon R9 280X 288000 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 182272 (172%)

Texel Rate

The Radeon R9 280X should be much (more or less 121%) more effective at texture filtering than the GeForce GTX 950. (explain)

Radeon R9 280X 108800 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 59648 (121%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 950 is the winner, not by a very large margin though. (explain)

GeForce GTX 950 32768 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 5568 (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 950

Amazon.com

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Radeon R9 280X

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 R9 280X
Manufacturer nVidia AMD
Year August 2015 October 2013
Code Name GM206 Tahiti XTL
Memory 2048 MB 3072 MB
Core Speed 1024 MHz 850 MHz
Memory Speed 6608 MHz 6000 MHz
Power (Max TDP) 90 watts 250 watts
Bandwidth 105728 MB/sec 288000 MB/sec
Texel Rate 49152 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 32768 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 768 2048
Texture Mapping Units 48 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 2940 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many 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 950

Amazon.com

Check prices at:

Radeon R9 280X

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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