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GeForce GTX 950 vs Radeon R9 390X 8G

Intro

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

Compare those specifications to the Radeon R9 390X 8G, which uses a 28 nm design. AMD has clocked the core frequency at 1050 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this model. It features 2816 SPUs along with 176 Texture Address Units and 64 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

Radeon R9 390X 8G 13555 points
GeForce GTX 950 6536 points
Difference: 7019 (107%)

Ethereum Mining Hash Rate

Radeon R9 390X 8G 32 Mh/s
GeForce GTX 950 10 Mh/s
Difference: 22 (220%)

Zcash Mining Hash Rate

Radeon R9 390X 8G 330 Sol/s
GeForce GTX 950 155 Sol/s
Difference: 175 (113%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
Radeon R9 390X 8G 275 Watts
Difference: 185 Watts (206%)

Memory Bandwidth

As far as performance goes, the Radeon R9 390X 8G should in theory be a lot superior to the GeForce GTX 950 overall. (explain)

Radeon R9 390X 8G 384000 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 278272 (263%)

Texel Rate

The Radeon R9 390X 8G will be much (approximately 276%) better at anisotropic filtering than the GeForce GTX 950. (explain)

Radeon R9 390X 8G 184800 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 135648 (276%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 390X 8G is superior to the GeForce GTX 950, by a large margin. (explain)

Radeon R9 390X 8G 67200 Mpixels/sec
GeForce GTX 950 32768 Mpixels/sec
Difference: 34432 (105%)

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 R9 390X 8G

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 390X 8G
Manufacturer nVidia AMD
Year August 2015 June 2015
Code Name GM206 Grenada XT
Memory 2048 MB 8192 MB
Core Speed 1024 MHz 1050 MHz
Memory Speed 6608 MHz 6000 MHz
Power (Max TDP) 90 watts 275 watts
Bandwidth 105728 MB/sec 384000 MB/sec
Texel Rate 49152 Mtexels/sec 184800 Mtexels/sec
Pixel Rate 32768 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 768 2816
Texture Mapping Units 48 176
Render Output Units 32 64
Bus Type GDDR5 GDDR5
Bus Width 128-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 2940 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, 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 number is calculated 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 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 card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the 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 390X 8G

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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