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GeForce 9800 GTX+ vs Radeon HD 3470 512MB

Intro

The GeForce 9800 GTX+ features core speeds of 738 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 3470 512MB, which comes with GPU clock speed of 800 MHz, and 512 MB of GDDR3 RAM set to run at 950 MHz through a 128-bit bus. It also is made up of 40(8x5) Stream Processors, 4 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce 9800 GTX+ should in theory be much better than the Radeon HD 3470 512MB overall. (explain)

GeForce 9800 GTX+ 70400 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 40000 (132%)

Texel Rate

The GeForce 9800 GTX+ will be a lot (more or less 1376%) faster with regards to texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 44032 (1376%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 9800 GTX+ is a better choice, and very much so. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 8608 (269%)

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 9800 GTX+

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.

Specifications

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Model GeForce 9800 GTX+ Radeon HD 3470 512MB
Manufacturer nVidia AMD
Year July 2008 2008
Code Name G92b RV620 PRO
Memory 512 MB 512 MB
Core Speed 738 MHz 800 MHz
Memory Speed 2200 MHz 1900 MHz
Power (Max TDP) 145 watts (Unknown) watts
Bandwidth 70400 MB/sec 30400 MB/sec
Texel Rate 47232 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 128 40(8x5)
Texture Mapping Units 64 4
Render Output Units 16 4
Bus Type GDDR3 GDDR3
Bus Width 256-bit 128-bit
Fab Process 55 nm 55 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 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 information (measured in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, the result should 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 anti-aliasing, 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 figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at 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 write to the local memory in a second - measured in millions of pixels per second. The number 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 outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX+

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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