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GeForce 8800 GT 512MB vs Radeon HD 5670

Intro

The GeForce 8800 GT 512MB makes use of a 65 nm design. nVidia has set the core frequency at 600 MHz. The GDDR3 RAM is set to run at a frequency of 900 MHz on this particular model. It features 112 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5670, which has core speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 400(80x5) SPUs as well as 20 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 44 Watts (72%)

Memory Bandwidth

Theoretically, the Radeon HD 5670 should be just a bit faster than the GeForce 8800 GT 512MB in general. (explain)

Radeon HD 5670 64000 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce 8800 GT 512MB is quite a bit (about 117%) faster with regards to texture filtering than the Radeon HD 5670. (explain)

GeForce 8800 GT 512MB 33600 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 18100 (117%)

Pixel Rate

The GeForce 8800 GT 512MB should be a lot (about 55%) more effective at anti-aliasing than the Radeon HD 5670, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GT 512MB 9600 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 3400 (55%)

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 GT 512MB

Amazon.com

Radeon HD 5670

Amazon.com

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 GT 512MB Radeon HD 5670
Manufacturer nVidia AMD
Year Oct 2007 January 14, 2010
Code Name G92 Redwood XT
Memory 512 MB 1024 MB
Core Speed 600 MHz 775 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 61 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 112 400(80x5)
Texture Mapping Units 56 20
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 627 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the 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 record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Comments

3 Responses to “GeForce 8800 GT 512MB vs Radeon HD 5670”
[NBA] GPU for Optiplex 745 PC - Budget 6k Max - Page 2 says:

[...] 49 Originally Posted by Ali Man Try to increase your budget a bit and get a 5670. bro where in the world is 5670 better then 8800gt or 4850??? not in texel rate not in the pixel rate, just bandwith wo bhi by small value GeForce 8800 GT 512MB vs Radeon HD 5670 – Performance Comparison Benchmarks @ Hardware Compare [...]

Orhan says:

Teşekkürler vok guzel. Super

Orhan says:

Cook tesekkur ederım

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