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GeForce 8800 GT 512MB vs Radeon RX 470 4GB

Intro

The GeForce 8800 GT 512MB has a GPU clock speed of 600 MHz, and the 512 MB of GDDR3 memory runs at 900 MHz through a 256-bit bus. It also is made up of 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon RX 470 4GB, which comes with a GPU core clock speed of 926 MHz, and 4096 MB of GDDR5 RAM set to run at 1650 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB 105 Watts
Radeon RX 470 4GB 120 Watts
Difference: 15 Watts (14%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 4GB should theoretically be a lot better than the GeForce 8800 GT 512MB overall. (explain)

Radeon RX 470 4GB 211200 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 153600 (267%)

Texel Rate

The Radeon RX 470 4GB should be quite a bit (more or less 253%) faster with regards to anisotropic filtering than the GeForce 8800 GT 512MB. (explain)

Radeon RX 470 4GB 118528 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 84928 (253%)

Pixel Rate

The Radeon RX 470 4GB should be much (approximately 209%) more effective at FSAA than the GeForce 8800 GT 512MB, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon RX 470 4GB 29632 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 20032 (209%)

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 RX 470 4GB

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 RX 470 4GB
Manufacturer nVidia AMD
Year Oct 2007 August 2016
Code Name G92 Polaris 10
Memory 512 MB 4096 MB
Core Speed 600 MHz 926 MHz
Memory Speed 1800 MHz 6600 MHz
Power (Max TDP) 105 watts 120 watts
Bandwidth 57600 MB/sec 211200 MB/sec
Texel Rate 33600 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 112 2048
Texture Mapping Units 56 128
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65 nm 14 nm
Transistors 754 million 5700 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better 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 are applied per second. This 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 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 maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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