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GeForce 8400 GS 512MB vs GeForce GTX 1060 3GB


Intro

The GeForce 8400 GS 512MB uses a 80 nm design. nVidia has clocked the core speed at 650 MHz. The DDR2 memory is set to run at a frequency of 400 MHz on this specific model. It features 16 SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

Compare all of that to the GeForce GTX 1060 3GB, which has a clock speed of 1506 MHz and a GDDR5 memory frequency of 2000 MHz. It also features a 192-bit memory bus, and uses a 16 nm design. It features 1152 SPUs, 72 Texture Address Units, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8400 GS 512MB 40 Watts
GeForce GTX 1060 3GB 120 Watts
Difference: 80 Watts (200%)

Memory Bandwidth

In theory, the GeForce GTX 1060 3GB should be much faster than the GeForce 8400 GS 512MB in general. (explain)

GeForce GTX 1060 3GB 196608 MB/sec
GeForce 8400 GS 512MB 6400 MB/sec
Difference: 190208 (2972%)

Texel Rate

The GeForce GTX 1060 3GB should be quite a bit (approximately 1985%) better at AF than the GeForce 8400 GS 512MB. (explain)

GeForce GTX 1060 3GB 108432 Mtexels/sec
GeForce 8400 GS 512MB 5200 Mtexels/sec
Difference: 103232 (1985%)

Pixel Rate

The GeForce GTX 1060 3GB will be a lot (approximately 2680%) better at anti-aliasing than the GeForce 8400 GS 512MB, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 1060 3GB 72288 Mpixels/sec
GeForce 8400 GS 512MB 2600 Mpixels/sec
Difference: 69688 (2680%)

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 8400 GS 512MB

GeForce GTX 1060 3GB

Specifications

Display Specifications

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Model GeForce 8400 GS 512MB GeForce GTX 1060 3GB
Manufacturer nVidia nVidia
Year June 2007 August 2016
Code Name G86 GP106-300
Memory 512 MB 3072 MB
Core Speed 650 MHz 1506 MHz
Memory Speed 800 MHz 8000 MHz
Power (Max TDP) 40 watts 120 watts
Bandwidth 6400 MB/sec 196608 MB/sec
Texel Rate 5200 Mtexels/sec 108432 Mtexels/sec
Pixel Rate 2600 Mpixels/sec 72288 Mpixels/sec
Unified Shaders 16 1152
Texture Mapping Units 8 72
Render Output Units 4 48
Bus Type DDR2 GDDR5
Bus Width 64-bit 192-bit
Fab Process 80 nm 16 nm
Transistors 210 million 4400 million
Bus PCIe x16, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

GeForce 8400 GS 512MB

GeForce GTX 1060 3GB

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