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GeForce GTS 150 vs GeForce GTX 950M

Intro

The GeForce GTS 150 comes with core speeds of 740 MHz on the GPU, and 500 MHz on the 1024 MB of GDDR3 memory. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 950M, which has clock speeds of 914 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
GeForce GTS 150 141 Watts
Difference: 86 Watts (156%)

Memory Bandwidth

Both cards have the exact same bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The GeForce GTS 150 should be a lot (approximately 30%) better at AF than the GeForce GTX 950M. (explain)

GeForce GTS 150 47360 Mtexels/sec
GeForce GTX 950M 36560 Mtexels/sec
Difference: 10800 (30%)

Pixel Rate

The GeForce GTX 950M should be much (about 24%) better at full screen anti-aliasing than the GeForce GTS 150, and should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 950M 14624 Mpixels/sec
GeForce GTS 150 11840 Mpixels/sec
Difference: 2784 (24%)

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 150

Amazon.com

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GeForce GTX 950M

Amazon.com

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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 150 GeForce GTX 950M
Manufacturer nVidia nVidia
Year March 10, 2009 March 12 2015
Code Name G92b GM107
Memory 1024 MB 2048 MB
Core Speed 740 MHz 914 MHz
Memory Speed 1000 MHz 2000 MHz
Power (Max TDP) 141 watts 55 watts
Bandwidth 32000 MB/sec 32000 MB/sec
Texel Rate 47360 Mtexels/sec 36560 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 14624 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 DDR3
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTS 150

Amazon.com

Check prices at:

GeForce GTX 950M

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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