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Radeon HD 6990 vs Radeon R7 370 2G

Intro

The Radeon HD 6990 features core speeds of 830 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 96 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon R7 370 2G, which has a clock frequency of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also features a 256-bit bus, and uses a 28 nm design. It is comprised of 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

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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

Radeon HD 6990 5820 points
Radeon R7 370 2G 5582 points
Difference: 238 (4%)

Ethereum Mining Hash Rate

Radeon HD 6990 24 Mh/s
Radeon R7 370 2G 15 Mh/s
Difference: 9 (60%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G 110 Watts
Radeon HD 6990 375 Watts
Difference: 265 Watts (241%)

Memory Bandwidth

The Radeon HD 6990 should in theory perform much faster than the Radeon R7 370 2G in general. (explain)

Radeon HD 6990 320000 MB/sec
Radeon R7 370 2G 179200 MB/sec
Difference: 140800 (79%)

Texel Rate

The Radeon HD 6990 is a lot (approximately 155%) better at texture filtering than the Radeon R7 370 2G. (explain)

Radeon HD 6990 159360 Mtexels/sec
Radeon R7 370 2G 62400 Mtexels/sec
Difference: 96960 (155%)

Pixel Rate

The Radeon HD 6990 will be much (approximately 70%) better at AA than the Radeon R7 370 2G, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon HD 6990 53120 Mpixels/sec
Radeon R7 370 2G 31200 Mpixels/sec
Difference: 21920 (70%)

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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Radeon HD 6990

Amazon.com

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Radeon R7 370 2G

Amazon.com

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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 Radeon HD 6990 Radeon R7 370 2G
Manufacturer AMD AMD
Year March 2011 June 2015
Code Name Antilles Trinidad
Memory 2048 MB (x2) 2048 MB
Core Speed 830 MHz (x2) 975 MHz
Memory Speed 5000 MHz (x2) 5600 MHz
Power (Max TDP) 375 watts 110 watts
Bandwidth 320000 MB/sec 179200 MB/sec
Texel Rate 159360 Mtexels/sec 62400 Mtexels/sec
Pixel Rate 53120 Mpixels/sec 31200 Mpixels/sec
Unified Shaders 1536 (x2) 1024
Texture Mapping Units 96 (x2) 64
Render Output Units 32 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 40 nm 28 nm
Transistors 2640 million 2080 million
Bus PCIe 2.1 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 largest amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. 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 is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 6990

Amazon.com

Check prices at:

Radeon R7 370 2G

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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