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GeForce GTX 1070 Ti vs Radeon HD 6990

Intro

The GeForce GTX 1070 Ti features a GPU clock speed of 1607 MHz, and the 8192 MB of GDDR5 RAM runs at 2000 MHz through a 256-bit bus. It also is comprised of 2432 SPUs, 152 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon HD 6990, which has a clock frequency of 830 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is comprised of 1536 SPUs, 96 Texture Address Units, and 32 ROPs.

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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

GeForce GTX 1070 Ti 19808 points
Radeon HD 6990 5820 points
Difference: 13988 (240%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1070 Ti 180 Watts
Radeon HD 6990 375 Watts
Difference: 195 Watts (108%)

Memory Bandwidth

Theoretically, the Radeon HD 6990 should perform much faster than the GeForce GTX 1070 Ti overall. (explain)

Radeon HD 6990 320000 MB/sec
GeForce GTX 1070 Ti 262144 MB/sec
Difference: 57856 (22%)

Texel Rate

The GeForce GTX 1070 Ti should be a lot (more or less 53%) faster with regards to anisotropic filtering than the Radeon HD 6990. (explain)

GeForce GTX 1070 Ti 244264 Mtexels/sec
Radeon HD 6990 159360 Mtexels/sec
Difference: 84904 (53%)

Pixel Rate

The GeForce GTX 1070 Ti should be a lot (more or less 94%) faster with regards to anti-aliasing than the Radeon HD 6990, and able to handle higher resolutions better. (explain)

GeForce GTX 1070 Ti 102848 Mpixels/sec
Radeon HD 6990 53120 Mpixels/sec
Difference: 49728 (94%)

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 GTX 1070 Ti

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 GTX 1070 Ti Radeon HD 6990
Manufacturer nVidia AMD
Year November 2017 March 2011
Code Name GP104-300 Antilles
Memory 8192 MB 2048 MB (x2)
Core Speed 1607 MHz 830 MHz (x2)
Memory Speed 8000 MHz 5000 MHz (x2)
Power (Max TDP) 180 watts 375 watts
Bandwidth 262144 MB/sec 320000 MB/sec
Texel Rate 244264 Mtexels/sec 159360 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 53120 Mpixels/sec
Unified Shaders 2432 1536 (x2)
Texture Mapping Units 152 96 (x2)
Render Output Units 64 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 16 nm 40 nm
Transistors 7200 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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs 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 rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 1070 Ti

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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