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GeForce 8800 GT 512MB vs Radeon RX 470 4GB


Intro

The GeForce 8800 GT 512MB comes with a core clock speed of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also features 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 has clock speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator 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

Theoretically speaking, the Radeon RX 470 4GB should be 267% faster than the GeForce 8800 GT 512MB in general, due to its greater 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 is a lot (more or less 253%) faster with regards to texture 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 will be quite a bit (about 209%) better at anti-aliasing than the GeForce 8800 GT 512MB, and will be capable of handling 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

GeForce 8800 GT 512MB

Radeon RX 470 4GB

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 largest amount of data (counted in megabytes per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, 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 figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, 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 that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

GeForce 8800 GT 512MB

Radeon RX 470 4GB

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