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GeForce GTS 450 1GB vs GeForce GTX 860M

Intro

The GeForce GTS 450 1GB uses a 40 nm design. nVidia has set the core speed at 783 MHz. The GDDR5 RAM runs at a frequency of 902 MHz on this specific card. It features 192 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 860M, which has core speeds of 797 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1152 SPUs as well as 96 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 61 Watts (136%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 860M should perform just a bit faster than the GeForce GTS 450 1GB in general. (explain)

GeForce GTX 860M 64000 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 6272 (11%)

Texel Rate

The GeForce GTX 860M is quite a bit (more or less 205%) faster with regards to anisotropic filtering than the GeForce GTS 450 1GB. (explain)

GeForce GTX 860M 76512 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 51456 (205%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 860M is superior to the GeForce GTS 450 1GB, but only just. (explain)

GeForce GTX 860M 12752 Mpixels/sec
GeForce GTS 450 1GB 12528 Mpixels/sec
Difference: 224 (2%)

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 GTS 450 1GB

Amazon.com

Check prices at:

GeForce GTX 860M

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

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Model GeForce GTS 450 1GB GeForce GTX 860M
Manufacturer nVidia nVidia
Year September 2010 March 12 2014
Code Name GF106 GM107
Memory 1024 MB 4096 MB
Core Speed 783 MHz 797 MHz
Memory Speed 3608 MHz 4000 MHz
Power (Max TDP) 106 watts 45 watts
Bandwidth 57728 MB/sec 64000 MB/sec
Texel Rate 25056 Mtexels/sec 76512 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 12752 Mpixels/sec
Unified Shaders 192 1152
Texture Mapping Units 32 96
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 450 1GB

Amazon.com

Check prices at:

GeForce GTX 860M

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.

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