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GeForce GTX Titan Black vs Radeon R9 390X 8G

Intro

The GeForce GTX Titan Black comes with a GPU core clock speed of 889 MHz, and the 6144 MB of GDDR5 RAM is set to run at 1750 MHz through a 384-bit bus. It also features 2880 SPUs, 240 TAUs, and 48 ROPs.

Compare all of that to the Radeon R9 390X 8G, which features 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 TAUs and 64 Rasterization Operator 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 390X 8G 13555 points
GeForce GTX Titan Black 11666 points
Difference: 1889 (16%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX Titan Black 250 Watts
Radeon R9 390X 8G 275 Watts
Difference: 25 Watts (10%)

Memory Bandwidth

Performance-wise, the Radeon R9 390X 8G should in theory be just a bit better than the GeForce GTX Titan Black overall. (explain)

Radeon R9 390X 8G 384000 MB/sec
GeForce GTX Titan Black 336000 MB/sec
Difference: 48000 (14%)

Texel Rate

The GeForce GTX Titan Black should be a small bit (approximately 15%) more effective at AF than the Radeon R9 390X 8G. (explain)

GeForce GTX Titan Black 213360 Mtexels/sec
Radeon R9 390X 8G 184800 Mtexels/sec
Difference: 28560 (15%)

Pixel Rate

The Radeon R9 390X 8G will be a lot (about 57%) faster with regards to anti-aliasing than the GeForce GTX Titan Black, and should be able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 390X 8G 67200 Mpixels/sec
GeForce GTX Titan Black 42672 Mpixels/sec
Difference: 24528 (57%)

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 Titan Black

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 Titan Black Radeon R9 390X 8G
Manufacturer nVidia AMD
Year February 2014 June 2015
Code Name GK110-430 Grenada XT
Memory 6144 MB 8192 MB
Core Speed 889 MHz 1050 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 250 watts 275 watts
Bandwidth 336000 MB/sec 384000 MB/sec
Texel Rate 213360 Mtexels/sec 184800 Mtexels/sec
Pixel Rate 42672 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 2880 2816
Texture Mapping Units 240 176
Render Output Units 48 64
Bus Type GDDR5 GDDR5
Bus Width 384-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 7080 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units of the card by the core 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 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 figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX Titan Black

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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