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GeForce RTX 2060 vs Radeon HD 6990

Intro

The GeForce RTX 2060 has a core clock speed of 1365 MHz and a GDDR6 memory frequency of 14000 MHz. It also uses a 192-bit memory bus, and uses a 12 nm design. It is comprised of 1920 SPUs, 120 Texture Address Units, and 48 Raster Operation Units.

Compare that to the Radeon HD 6990, which has a clock speed of 830 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is comprised of 1536 SPUs, 96 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2060 160 Watts
Radeon HD 6990 375 Watts
Difference: 215 Watts (134%)

Memory Bandwidth

Performance-wise, the GeForce RTX 2060 should in theory be just a bit superior to the Radeon HD 6990 in general. (explain)

GeForce RTX 2060 344064 MB/sec
Radeon HD 6990 320000 MB/sec
Difference: 24064 (8%)

Texel Rate

The GeForce RTX 2060 should be a bit (about 3%) faster with regards to texture filtering than the Radeon HD 6990. (explain)

GeForce RTX 2060 163800 Mtexels/sec
Radeon HD 6990 159360 Mtexels/sec
Difference: 4440 (3%)

Pixel Rate

The GeForce RTX 2060 is quite a bit (about 23%) more effective at full screen anti-aliasing than the Radeon HD 6990, and able to handle higher resolutions without losing too much performance. (explain)

GeForce RTX 2060 65520 Mpixels/sec
Radeon HD 6990 53120 Mpixels/sec
Difference: 12400 (23%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce RTX 2060

Amazon.com

Check prices at:

Radeon HD 6990

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 RTX 2060 Radeon HD 6990
Manufacturer nVidia AMD
Year January 2019 March 2011
Code Name TU106-200A-KA-A1 Antilles
Memory 6144 MB 2048 MB (x2)
Core Speed 1365 MHz 830 MHz (x2)
Memory Speed 14000 GB/s 5000 MHz (x2)
Power (Max TDP) 160 watts 375 watts
Bandwidth 344064 MB/sec 320000 MB/sec
Texel Rate 163800 Mtexels/sec 159360 Mtexels/sec
Pixel Rate 65520 Mpixels/sec 53120 Mpixels/sec
Unified Shaders 1920 1536 (x2)
Texture Mapping Units 120 96 (x2)
Render Output Units 48 32 (x2)
Bus Type GDDR6 GDDR5
Bus Width 192-bit 256-bit (x2)
Fab Process 12 nm 40 nm
Transistors 10800 million 2640 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12.0 DirectX 11
OpenGL Version OpenGL 4.6 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce RTX 2060

Amazon.com

Check prices at:

Radeon HD 6990

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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