Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

Radeon HD 5970 vs Radeon HD 7950 3GB

Intro

The Radeon HD 5970 features a GPU core speed of 725 MHz, and the 1024 MB of GDDR5 memory runs at 1000 MHz through a 256-bit bus. It also is made up of 1600 Stream Processors, 160 Texture Address Units, and 64 Raster Operation Units.

Compare those specifications to the Radeon HD 7950 3GB, which makes use of a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory works at a speed of 1250 MHz on this model. It features 1792 SPUs along with 112 TAUs and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7950 3GB 200 Watts
Radeon HD 5970 294 Watts
Difference: 94 Watts (47%)

Memory Bandwidth

Performance-wise, the Radeon HD 5970 should in theory be a small bit better than the Radeon HD 7950 3GB overall. (explain)

Radeon HD 5970 256000 MB/sec
Radeon HD 7950 3GB 240000 MB/sec
Difference: 16000 (7%)

Texel Rate

The Radeon HD 5970 is a lot (more or less 159%) more effective at anisotropic filtering than the Radeon HD 7950 3GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 142400 (159%)

Pixel Rate

The Radeon HD 5970 should be quite a bit (about 263%) faster with regards to full screen anti-aliasing than the Radeon HD 7950 3GB, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon HD 7950 3GB 25600 Mpixels/sec
Difference: 67200 (263%)

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

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon HD 7950 3GB

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

Display Specifications

Hide Specifications

Model Radeon HD 5970 Radeon HD 7950 3GB
Manufacturer AMD AMD
Year November 2009 January 2012
Code Name Hemlock XT Tahiti Pro
Memory 1024 MB (x2) 3072 MB
Core Speed 725 MHz (x2) 800 MHz
Memory Speed 4000 MHz (x2) 5000 MHz
Power (Max TDP) 294 watts 200 watts
Bandwidth 256000 MB/sec 240000 MB/sec
Texel Rate 232000 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 1600 (x2) 1792
Texture Mapping Units 160 (x2) 112
Render Output Units 64 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 384-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 4313 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines 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 output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon HD 7950 3GB

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.

Comments

One Response to “Radeon HD 5970 vs Radeon HD 7950 3GB”
Cam says:

Flawed, because the HD 5970 does not have 320 TMUs and 128 ROPs, only 160 TMUs and 64 Rops.

Your email address will not be published. Required fields are marked *


*

WordPress Anti-Spam by WP-SpamShield