Compare any two graphics cards:
VS

GeForce 8400 GS 512MB vs GeForce GTX 460 1GB

Intro

The GeForce 8400 GS 512MB has a GPU core speed of 650 MHz, and the 512 MB of DDR2 memory runs at 400 MHz through a 64-bit bus. It also features 16 Stream Processors, 8 TAUs, and 4 ROPs.

Compare all of that to the GeForce GTX 460 1GB, which features GPU clock speed of 675 MHz, and 1024 MB of GDDR5 RAM set to run at 900 MHz through a 256-bit bus. It also features 336 SPUs, 56 TAUs, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8400 GS 512MB 40 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 120 Watts (300%)

Memory Bandwidth

In theory, the GeForce GTX 460 1GB should perform much faster than the GeForce 8400 GS 512MB overall. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce 8400 GS 512MB 6400 MB/sec
Difference: 108800 (1700%)

Texel Rate

The GeForce GTX 460 1GB is a lot (approximately 627%) faster with regards to AF than the GeForce 8400 GS 512MB. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
GeForce 8400 GS 512MB 5200 Mtexels/sec
Difference: 32600 (627%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 460 1GB is superior to the GeForce 8400 GS 512MB, and very much so. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
GeForce 8400 GS 512MB 2600 Mpixels/sec
Difference: 19000 (731%)

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

Display Prices

Hide Prices

GeForce 8400 GS 512MB

Amazon.com

Check prices at:

GeForce GTX 460 1GB

Amazon.com

Check prices at:

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

Display Specifications

Hide Specifications

Model GeForce 8400 GS 512MB GeForce GTX 460 1GB
Manufacturer nVidia nVidia
Year June 2007 July 2010
Code Name G86 GF104
Memory 512 MB 1024 MB
Core Speed 650 MHz 675 MHz
Memory Speed 800 MHz 3600 MHz
Power (Max TDP) 40 watts 160 watts
Bandwidth 6400 MB/sec 115200 MB/sec
Texel Rate 5200 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 2600 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 16 336
Texture Mapping Units 8 56
Render Output Units 4 32
Bus Type DDR2 GDDR5
Bus Width 64-bit 256-bit
Fab Process 80 nm 40 nm
Transistors 210 million 1950 million
Bus PCIe x16, PCI PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. 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 output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8400 GS 512MB

Amazon.com

Check prices at:

GeForce GTX 460 1GB

Amazon.com

Check prices at:

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.

Comments

Be the first to leave a comment!

Your email address will not be published. Required fields are marked *


*

WordPress Anti Spam by WP-SpamShield