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GeForce GTX Titan Black vs Radeon R9 Nano

Intro

The GeForce GTX Titan Black has core speeds of 889 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR5 memory. It features 2880 SPUs as well as 240 Texture Address Units and 48 ROPs.

Compare those specifications to the Radeon R9 Nano, which makes use of a 28 nm design. AMD has set the core frequency at 1000 MHz. The HBM memory is set to run at a speed of 500 MHz on this model. It features 4096 SPUs along with 256 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 Nano 14918 points
GeForce GTX Titan Black 11666 points
Difference: 3252 (28%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano 175 Watts
GeForce GTX Titan Black 250 Watts
Difference: 75 Watts (43%)

Memory Bandwidth

The Radeon R9 Nano should theoretically perform a lot faster than the GeForce GTX Titan Black in general. (explain)

Radeon R9 Nano 512000 MB/sec
GeForce GTX Titan Black 336000 MB/sec
Difference: 176000 (52%)

Texel Rate

The Radeon R9 Nano is a little bit (approximately 20%) faster with regards to anisotropic filtering than the GeForce GTX Titan Black. (explain)

Radeon R9 Nano 256000 Mtexels/sec
GeForce GTX Titan Black 213360 Mtexels/sec
Difference: 42640 (20%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 Nano is superior to the GeForce GTX Titan Black, and very much so. (explain)

Radeon R9 Nano 64000 Mpixels/sec
GeForce GTX Titan Black 42672 Mpixels/sec
Difference: 21328 (50%)

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

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Radeon R9 Nano

Amazon.com

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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 Nano
Manufacturer nVidia AMD
Year February 2014 September 2015
Code Name GK110-430 Fiji XT
Memory 6144 MB 4096 MB
Core Speed 889 MHz 1000 MHz
Memory Speed 7000 MHz 500 MHz
Power (Max TDP) 250 watts 175 watts
Bandwidth 336000 MB/sec 512000 MB/sec
Texel Rate 213360 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 42672 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 2880 4096
Texture Mapping Units 240 256
Render Output Units 48 64
Bus Type GDDR5 HBM
Bus Width 384-bit 4096-bit
Fab Process 28 nm 28 nm
Transistors 7080 million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at 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 video card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX Titan Black

Amazon.com

Check prices at:

Radeon R9 Nano

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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