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GeForce 8800 GTS (G92) vs Radeon HD 3850 512MB

Intro

The GeForce 8800 GTS (G92) features a core clock speed of 650 MHz and a GDDR3 memory speed of 970 MHz. It also makes use of a 256-bit bus, and makes use of a 65 nm design. It is comprised of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the Radeon HD 3850 512MB, which features clock speeds of 668 MHz on the GPU, and 828 MHz on the 512 MB of GDDR3 RAM. It features 320(64x5) SPUs along with 16 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3850 512MB 75 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 60 Watts (80%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTS (G92) should be a bit faster than the Radeon HD 3850 512MB overall. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
Radeon HD 3850 512MB 52992 MB/sec
Difference: 9088 (17%)

Texel Rate

The GeForce 8800 GTS (G92) is much (more or less 289%) faster with regards to AF than the Radeon HD 3850 512MB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
Radeon HD 3850 512MB 10688 Mtexels/sec
Difference: 30912 (289%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 3850 512MB is the winner, but only just. (explain)

Radeon HD 3850 512MB 10688 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 288 (3%)

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 8800 GTS (G92)

Amazon.com

Check prices at:

Radeon HD 3850 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 8800 GTS (G92) Radeon HD 3850 512MB
Manufacturer nVidia AMD
Year Dec 2007 Nov 19, 2007
Code Name G92 RV670 PRO
Memory 512 MB 512 MB
Core Speed 650 MHz 668 MHz
Memory Speed 1940 MHz 1656 MHz
Power (Max TDP) 135 watts 75 watts
Bandwidth 62080 MB/sec 52992 MB/sec
Texel Rate 41600 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 128 320(64x5)
Texture Mapping Units 64 16
Render Output Units 16 16
Bus Type GDDR3 GDDR3
Bus Width 256-bit 256-bit
Fab Process 65 nm 55 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 2.0 x16/AGP 8x
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 (counted in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one 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 video 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 amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

Radeon HD 3850 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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