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Radeon HD 6950 vs Radeon HD 6950 2GB

Intro

The Radeon HD 6950 makes use of a 40 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this specific model. It features 1408 SPUs as well as 88 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6950 2GB, which has GPU core speed of 800 MHz, and 2048 MB of GDDR5 memory running at 1250 MHz through a 256-bit bus. It also features 1408 SPUs, 88 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

Both cards have the exact same texel fill rate, so theoretically they should be equally good at at AF. (explain)

Pixel Rate

Both cards have exactly the same pixel rate, so in theory they should perform equally good at at FSAA, and be capable of handling the same screen resolutions. (explain)

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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Radeon HD 6950

Amazon.com

Check prices at:

Radeon HD 6950 2GB

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 6950 Radeon HD 6950 2GB
Manufacturer AMD AMD
Year December 2010 December 2010
Code Name Cayman Pro Cayman Pro
Memory 1024 MB 2048 MB
Core Speed 800 MHz 800 MHz
Memory Speed 5000 MHz 5000 MHz
Power (Max TDP) 200 watts 200 watts
Bandwidth 160000 MB/sec 160000 MB/sec
Texel Rate 70400 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 1408 1408
Texture Mapping Units 88 88
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 2640 million 2640 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially 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 6950

Amazon.com

Check prices at:

Radeon HD 6950 2GB

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

12 Responses to “Radeon HD 6950 vs Radeon HD 6950 2GB”
Anonymous says:

[...] [...]

Anonymous says:

1 fps isnt much of a difference.

djzorlag says:

Remember that 2gb -version can be modded into 6970 so then it is much faster than 6950. 🙂

roflzor says:

hahaha it's obvious this site is soooo pro nvidia!!!!

because these benchmarks are pure bullsh*t!!! you go on other sites and you clearly see the 6950 is better on these games except for dirt 2 the 560ti does ~2 fps better than the 560ti

so this is really bullsh*t!

Gigabyte Radeon HD 6950 Core 870MHz VS Club 3d Radeon HD 6950 Core 800MHz says:

[...] 870MHz VS Club 3d Radeon HD 6950 Core 800M Maggiori GB non vuol dire maggiori prestazioni (Click) Coming Soon... Rispondi [...]

zack says:

This is a load of CRAP!!!

I Own both cards & 6950 is way better in performance than 560ti PLUS you can also bios hack 6950 into a 6970.

Compare it with a 570 will rather be a very different Story.

MXM says:

ati is the best >> 😀 >

MXM says:

ati 6950 2gb faster than card of 1gp i have 1gp lol hhh xd >>>:D

jimmy9082 says:

2gb is faster ,when the resolution is higher

bf3 use 1.5 gb videomemory---->
with 1gb version lagging the game with higher res

فروش فوقالعاده یک فروند 6950 says:

[...] AA = very hgih دز ضمن حداقل 80 تومن بین 1gb , 2gb اختلاف قیمت هستش Radeon HD 6950 vs Radeon HD 6950 2GB – Performance Comparison Benchmarks @ Hardware Compare قابل توجه شما دوست عزیز تمام تست ها هم در رزولوشن [...]

larsv12 says:

HWCompare has created a site that is based on half-truths, skewed data / cherry-picked data and misinformation. Benchmarks are false measures of true performance. These cards will NOT behave the same performance (as this HWC page wrongly concludes) in real world scenarios. The 1GB version will bottleneck at high-resolutions, while the 6950 2GB will be able to easily buffer more graphical data without raw (fps) performance degradation.

larsv12 says:

EDIT previous post: should read, "without the same level of raw (fps) performance degradation." ;P

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