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GeForce 8800 GT 512MB vs Radeon RX 470 4GB

Intro

The GeForce 8800 GT 512MB has a clock frequency of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 256-bit memory bus, and makes use of a 65 nm design. It features 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare those specs to the Radeon RX 470 4GB, which comes with a core clock frequency of 926 MHz and a GDDR5 memory speed of 1650 MHz. It also features a 256-bit bus, and uses a 14 nm design. It is made up of 2048 SPUs, 128 TAUs, and 32 ROPs.

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

Theoretically speaking, the Radeon RX 470 4GB is 267% quicker than the GeForce 8800 GT 512MB in general, because of its higher bandwidth. (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 much (more or less 253%) better at AF 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

If using high levels of AA is important to you, then the Radeon RX 470 4GB is a better choice, by far. (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

GeForce 8800 GT 512MB

Radeon RX 470 4GB

Specifications

Display 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 information (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 can be processed per second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core 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 output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

GeForce 8800 GT 512MB

Radeon RX 470 4GB

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