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GeForce 9500 GT 512MB GDDR3 vs Radeon HD 6770

Intro

The GeForce 9500 GT 512MB GDDR3 has core clock speeds of 550 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6770, which uses a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 memory is set to run at a frequency of 1050 MHz on this specific card. It features 800 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3 50 Watts
Radeon HD 6770 108 Watts
Difference: 58 Watts (116%)

Memory Bandwidth

In theory, the Radeon HD 6770 should be 163% quicker than the GeForce 9500 GT 512MB GDDR3 overall, because of its higher bandwidth. (explain)

Radeon HD 6770 67200 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 41600 (163%)

Texel Rate

The Radeon HD 6770 should be quite a bit (approximately 309%) better at AF than the GeForce 9500 GT 512MB GDDR3. (explain)

Radeon HD 6770 36000 Mtexels/sec
GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Difference: 27200 (309%)

Pixel Rate

The Radeon HD 6770 will be quite a bit (more or less 227%) faster with regards to FSAA than the GeForce 9500 GT 512MB GDDR3, and should be able to handle higher resolutions while still performing well. (explain)

Radeon HD 6770 14400 Mpixels/sec
GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
Difference: 10000 (227%)

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 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

Radeon HD 6770

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 9500 GT 512MB GDDR3 Radeon HD 6770
Manufacturer nVidia AMD
Year July 2008 January 2011
Code Name G96b Juniper XT
Memory 512 MB 512 MB
Core Speed 550 MHz 900 MHz
Memory Speed 1600 MHz 4200 MHz
Power (Max TDP) 50 watts 108 watts
Bandwidth 25600 MB/sec 67200 MB/sec
Texel Rate 8800 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 32 800
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 314 million 1040 million
Bus PCIe x16 2.0, PCI PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics 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 most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

Radeon HD 6770

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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