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GeForce GTX 560 vs Radeon HD 6950

Intro

The GeForce GTX 560 comes with core speeds of 810 MHz on the GPU, and 1001 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs as well as 56 Texture Address Units and 32 ROPs.

Compare all that to the Radeon HD 6950, which comes with a clock speed of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 256-bit memory bus, and uses a 40 nm design. It is comprised of 1408 SPUs, 88 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 6950 3240 points
GeForce GTX 560 3030 points
Difference: 210 (7%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
Radeon HD 6950 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6950 should be much faster than the GeForce GTX 560 in general. (explain)

Radeon HD 6950 160000 MB/sec
GeForce GTX 560 128128 MB/sec
Difference: 31872 (25%)

Texel Rate

The Radeon HD 6950 will be a lot (approximately 55%) faster with regards to AF than the GeForce GTX 560. (explain)

Radeon HD 6950 70400 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 25040 (55%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 560 is superior to the Radeon HD 6950, not by a very large margin though. (explain)

GeForce GTX 560 25920 Mpixels/sec
Radeon HD 6950 25600 Mpixels/sec
Difference: 320 (1%)

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 GTX 560

Amazon.com

Check prices at:

Radeon HD 6950

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 560 Radeon HD 6950
Manufacturer nVidia AMD
Year May 2011 December 2010
Code Name GF114 Cayman Pro
Memory 1024 MB 1024 MB
Core Speed 810 MHz 800 MHz
Memory Speed 4004 MHz 5000 MHz
Power (Max TDP) 150 watts 200 watts
Bandwidth 128128 MB/sec 160000 MB/sec
Texel Rate 45360 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 25920 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 336 1408
Texture Mapping Units 56 88
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 2640 million
Bus PCIe 2.0 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 applied per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 get to the maximum fill rate.

Display Prices

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GeForce GTX 560

Amazon.com

Check prices at:

Radeon HD 6950

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

2 Responses to “GeForce GTX 560 vs Radeon HD 6950”
6950 VS 560Ti- EPIC BATTLE - Digit Technology Discussion Forum says:

[...] – Performance Comparison Benchmarks @ Hardware Compare GTX-560 VS HD6950 -- 1GB versions GeForce GTX 560 vs Radeon HD 6950 – Performance Comparison Benchmarks @ Hardware Compare Both are equally good, being a AMD GPU lover i am with GTX-560Ti in this case. [...]

larsV12 says:

Why you should believe none of what you hear and only half of what you see: http://www.tomshardware.com/forum/307584-33-5870-6950-dont

Apparently, a Tom's H/W "Guru" predicted the 560 would be a superior card .. how'd that turn out??? What a load of fooey. People, do your own research & gather as much background on cards before committing to any particular model or brand.

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