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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 RAM runs at 1652 MHz through a 128-bit bus. It also is comprised of 768 Stream Processors, 48 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon R9 390X 8G, which comes with core speeds of 1050 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 RAM. It features 2816 SPUs as well as 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

Theoretically, the Radeon R9 390X 8G should be much faster than 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 should be quite a bit (about 276%) more effective at AF than the GeForce GTX 950. (explain)

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

Pixel Rate

The Radeon R9 390X 8G should be quite a bit (approximately 105%) better at full screen anti-aliasing than the GeForce GTX 950, and also capable of handling higher resolutions more effectively. (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 data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units of the card by the core 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach 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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