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GeForce 9500 GT 512MB GDDR3 vs Radeon HD 3470 256MB

Intro

The GeForce 9500 GT 512MB GDDR3 comes with a clock speed of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 128-bit bus, and uses a 55 nm design. It is made up of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon HD 3470 256MB, which comes with clock speeds of 800 MHz on the GPU, and 950 MHz on the 256 MB of DDR2 memory. It features 40(8x5) SPUs as well as 4 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 3470 256MB should in theory be a little bit faster than the GeForce 9500 GT 512MB GDDR3 in general. (explain)

Radeon HD 3470 256MB 30400 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 4800 (19%)

Texel Rate

The GeForce 9500 GT 512MB GDDR3 will be quite a bit (approximately 175%) more effective at texture filtering than the Radeon HD 3470 256MB. (explain)

GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Radeon HD 3470 256MB 3200 Mtexels/sec
Difference: 5600 (175%)

Pixel Rate

The GeForce 9500 GT 512MB GDDR3 should be much (approximately 38%) more effective at FSAA than the Radeon HD 3470 256MB, and capable of handling higher resolutions better. (explain)

GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
Radeon HD 3470 256MB 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 512MB GDDR3

Amazon.com

Check prices at:

Radeon HD 3470 256MB

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 3470 256MB
Manufacturer nVidia AMD
Year July 2008 2008
Code Name G96b RV620 PRO
Memory 512 MB 256 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 DDR2
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: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the 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 3470 256MB

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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