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GeForce GTX 480 vs Radeon R9 M390X

Intro

The GeForce GTX 480 has a clock frequency of 700 MHz and a GDDR5 memory speed of 924 MHz. It also uses a 384-bit bus, and uses a 40 nm design. It is made up of 480 SPUs, 60 TAUs, and 48 ROPs.

Compare those specs to the Radeon R9 M390X, which comes with a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M390X 125 Watts
GeForce GTX 480 250 Watts
Difference: 125 Watts (100%)

Memory Bandwidth

In theory, the GeForce GTX 480 is 11% faster than the Radeon R9 M390X in general, because of its greater data rate. (explain)

GeForce GTX 480 177408 MB/sec
Radeon R9 M390X 160000 MB/sec
Difference: 17408 (11%)

Texel Rate

The Radeon R9 M390X is a lot (approximately 120%) more effective at anisotropic filtering than the GeForce GTX 480. (explain)

Radeon R9 M390X 92544 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 50544 (120%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 480 is the winner, and very much so. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon R9 M390X 23136 Mpixels/sec
Difference: 10464 (45%)

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 480

Amazon.com

Check prices at:

Radeon R9 M390X

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 480 Radeon R9 M390X
Manufacturer nVidia AMD
Year March 2010 2015
Code Name GF100 Tonga
Memory 1536 MB 4096 MB
Core Speed 700 MHz 723 MHz
Memory Speed 3696 MHz 5000 MHz
Power (Max TDP) 250 watts 125 watts
Bandwidth 177408 MB/sec 160000 MB/sec
Texel Rate 42000 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 480 2048
Texture Mapping Units 60 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the 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 can be processed per second. This is worked out by multiplying the total texture units by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. 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 output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 480

Amazon.com

Check prices at:

Radeon R9 M390X

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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