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GeForce 9500 GT 1GB GDDR3 vs Radeon HD 3470 512MB

Intro

The GeForce 9500 GT 1GB GDDR3 uses a 55 nm design. nVidia has clocked the core frequency at 550 MHz. The GDDR3 memory works at a speed of 800 MHz on this specific model. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare all that to the Radeon HD 3470 512MB, which comes with a core clock speed of 800 MHz and a GDDR3 memory speed of 950 MHz. It also features a 128-bit bus, and uses a 55 nm design. It is comprised of 40(8x5) SPUs, 4 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 3470 512MB should theoretically be a bit better than the GeForce 9500 GT 1GB GDDR3 overall. (explain)

Radeon HD 3470 512MB 30400 MB/sec
GeForce 9500 GT 1GB GDDR3 25600 MB/sec
Difference: 4800 (19%)

Texel Rate

The GeForce 9500 GT 1GB GDDR3 is a lot (about 175%) better at texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 5600 (175%)

Pixel Rate

The GeForce 9500 GT 1GB GDDR3 will be a lot (more or less 38%) more effective at full screen anti-aliasing than the Radeon HD 3470 512MB, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 1200 (38%)

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 1GB GDDR3

Amazon.com

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Radeon HD 3470 512MB

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 GeForce 9500 GT 1GB GDDR3 Radeon HD 3470 512MB
Manufacturer nVidia AMD
Year July 2008 2008
Code Name G96b RV620 PRO
Memory 1024 MB 512 MB
Core Speed 550 MHz 800 MHz
Memory Speed 1600 MHz 1900 MHz
Power (Max TDP) 50 watts (Unknown) watts
Bandwidth 25600 MB/sec 30400 MB/sec
Texel Rate 8800 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 32 40(8x5)
Texture Mapping Units 16 4
Render Output Units 8 4
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 55 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core 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 maximum number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 3470 512MB

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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