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GeForce GTX 460 SE vs Radeon R9 390 8G

Intro

The GeForce GTX 460 SE uses a 40 nm design. nVidia has clocked the core speed at 650 MHz. The GDDR5 memory works at a speed of 850 MHz on this card. It features 288 SPUs as well as 48 TAUs and 32 ROPs.

Compare that to the Radeon R9 390 8G, which uses a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory runs at a frequency of 1500 MHz on this specific card. It features 2560 SPUs as well as 160 Texture Address Units and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
Radeon R9 390 8G 275 Watts
Difference: 125 Watts (83%)

Memory Bandwidth

As far as performance goes, the Radeon R9 390 8G should theoretically be quite a bit better than the GeForce GTX 460 SE overall. (explain)

Radeon R9 390 8G 384000 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 275200 (253%)

Texel Rate

The Radeon R9 390 8G is much (about 413%) faster with regards to texture filtering than the GeForce GTX 460 SE. (explain)

Radeon R9 390 8G 160000 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 128800 (413%)

Pixel Rate

The Radeon R9 390 8G is much (more or less 208%) faster with regards to anti-aliasing than the GeForce GTX 460 SE, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 390 8G 64000 Mpixels/sec
GeForce GTX 460 SE 20800 Mpixels/sec
Difference: 43200 (208%)

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 460 SE

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.

Specifications

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Model GeForce GTX 460 SE Radeon R9 390 8G
Manufacturer nVidia AMD
Year November 2010 June 2015
Code Name GF104 Grenada PRO
Memory 1024 MB 8192 MB
Core Speed 650 MHz 1000 MHz
Memory Speed 3400 MHz 6000 MHz
Power (Max TDP) 150 watts 275 watts
Bandwidth 108800 MB/sec 384000 MB/sec
Texel Rate 31200 Mtexels/sec 160000 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 288 2560
Texture Mapping Units 48 160
Render Output Units 32 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 512-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 6200 million
Bus PCIe x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 SE

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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