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GeForce GTX 950 vs Radeon R9 390 8G

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 frequency of 1652 MHz on this specific card. It features 768 SPUs along with 48 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon R9 390 8G, which comes with GPU clock speed of 1000 MHz, and 8192 MB of GDDR5 RAM running at 1500 MHz through a 512-bit bus. It also is made up of 2560 SPUs, 160 Texture Address Units, and 64 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 390 8G 12733 points
GeForce GTX 950 6536 points
Difference: 6197 (95%)

Ethereum Mining Hash Rate

Radeon R9 390 8G 28 Mh/s
GeForce GTX 950 10 Mh/s
Difference: 18 (180%)

Zcash Mining Hash Rate

Radeon R9 390 8G 326 Sol/s
GeForce GTX 950 155 Sol/s
Difference: 171 (110%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

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

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

Texel Rate

The Radeon R9 390 8G is quite a bit (about 226%) faster with regards to texture filtering than the GeForce GTX 950. (explain)

Radeon R9 390 8G 160000 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 110848 (226%)

Pixel Rate

The Radeon R9 390 8G is a lot (approximately 95%) faster with regards to AA than the GeForce GTX 950, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 390 8G 64000 Mpixels/sec
GeForce GTX 950 32768 Mpixels/sec
Difference: 31232 (95%)

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 390 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 390 8G
Manufacturer nVidia AMD
Year August 2015 June 2015
Code Name GM206 Grenada PRO
Memory 2048 MB 8192 MB
Core Speed 1024 MHz 1000 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 160000 Mtexels/sec
Pixel Rate 32768 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 768 2560
Texture Mapping Units 48 160
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 maximum amount of information (counted in MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 950

Amazon.com

Check prices at:

Radeon R9 390 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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