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GeForce RTX 2070 vs Radeon R9 390X 8G

Intro

The GeForce RTX 2070 makes use of a 12 nm design. nVidia has clocked the core speed at 1410 MHz. The GDDR6 RAM works at a speed of 14 MHz on this particular card. It features 2304 SPUs along with 144 TAUs and 64 ROPs.

Compare those specs to the Radeon R9 390X 8G, which makes use of a 28 nm design. AMD has clocked the core frequency at 1050 MHz. The GDDR5 RAM works at a speed of 1500 MHz on this card. It features 2816 SPUs along with 176 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2070 175 Watts
Radeon R9 390X 8G 275 Watts
Difference: 100 Watts (57%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 2070 will be 19% faster than the Radeon R9 390X 8G overall, due to its greater bandwidth. (explain)

GeForce RTX 2070 458752 MB/sec
Radeon R9 390X 8G 384000 MB/sec
Difference: 74752 (19%)

Texel Rate

The GeForce RTX 2070 will be a little bit (about 10%) more effective at AF than the Radeon R9 390X 8G. (explain)

GeForce RTX 2070 203040 Mtexels/sec
Radeon R9 390X 8G 184800 Mtexels/sec
Difference: 18240 (10%)

Pixel Rate

The GeForce RTX 2070 will be much (more or less 34%) faster with regards to FSAA than the Radeon R9 390X 8G, and also should be able to handle higher screen resolutions more effectively. (explain)

GeForce RTX 2070 90240 Mpixels/sec
Radeon R9 390X 8G 67200 Mpixels/sec
Difference: 23040 (34%)

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 RTX 2070

Amazon.com

Radeon R9 390X 8G

Amazon.com

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 RTX 2070 Radeon R9 390X 8G
Manufacturer nVidia AMD
Year September 2018 June 2015
Code Name TU104-350 Grenada XT
Memory 8192 MB 8192 MB
Core Speed 1410 MHz 1050 MHz
Memory Speed 14 GB/s 6000 MHz
Power (Max TDP) 175 watts 275 watts
Bandwidth 458752 MB/sec 384000 MB/sec
Texel Rate 203040 Mtexels/sec 184800 Mtexels/sec
Pixel Rate 90240 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 2304 2816
Texture Mapping Units 144 176
Render Output Units 64 64
Bus Type GDDR6 GDDR5
Bus Width 256-bit 512-bit
Fab Process 12 nm 28 nm
Transistors (Unknown) million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core 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 - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 2070

Amazon.com

Radeon R9 390X 8G

Amazon.com

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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