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GeForce 8800 GTS (G92) vs Radeon HD 3850 1GB

Intro

The GeForce 8800 GTS (G92) features a clock frequency of 650 MHz and a GDDR3 memory speed of 970 MHz. It also features a 256-bit memory bus, and uses a 65 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 3850 1GB, which comes with a core clock frequency of 668 MHz and a GDDR3 memory speed of 828 MHz. It also features a 256-bit bus, and uses a 55 nm design. It is comprised of 320(64x5) SPUs, 16 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3850 1GB 75 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 60 Watts (80%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTS (G92) should theoretically be a little bit better than the Radeon HD 3850 1GB in general. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
Radeon HD 3850 1GB 52992 MB/sec
Difference: 9088 (17%)

Texel Rate

The GeForce 8800 GTS (G92) will be a lot (about 289%) better at anisotropic filtering than the Radeon HD 3850 1GB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
Radeon HD 3850 1GB 10688 Mtexels/sec
Difference: 30912 (289%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 3850 1GB is the winner, but it probably won't make a huge difference. (explain)

Radeon HD 3850 1GB 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 1GB

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 1GB
Manufacturer nVidia AMD
Year Dec 2007 Nov 19, 2007
Code Name G92 RV670 PRO
Memory 512 MB 1024 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: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

Radeon HD 3850 1GB

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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