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GeForce GTS 150 vs GeForce GTX 650 Ti

Intro

The GeForce GTS 150 makes use of a 55 nm design. nVidia has clocked the core frequency at 740 MHz. The GDDR3 memory works at a speed of 500 MHz on this model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 650 Ti, which makes use of a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 memory is set to run at a frequency of 1350 MHz on this card. It features 768 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce GTS 150 141 Watts
Difference: 31 Watts (28%)

Memory Bandwidth

The GeForce GTX 650 Ti should theoretically perform a lot faster than the GeForce GTS 150 in general. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 54400 (170%)

Texel Rate

The GeForce GTX 650 Ti will be a lot (about 25%) more effective at texture filtering than the GeForce GTS 150. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce GTS 150 47360 Mtexels/sec
Difference: 12032 (25%)

Pixel Rate

The GeForce GTX 650 Ti is a lot (approximately 25%) faster with regards to full screen anti-aliasing than the GeForce GTS 150, and should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce GTS 150 11840 Mpixels/sec
Difference: 3008 (25%)

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 650 Ti

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 650 Ti
Manufacturer nVidia nVidia
Year March 10, 2009 October 2012
Code Name G92b GK106
Memory 1024 MB 1024 MB
Core Speed 740 MHz 928 MHz
Memory Speed 1000 MHz 5400 MHz
Power (Max TDP) 141 watts 110 watts
Bandwidth 32000 MB/sec 86400 MB/sec
Texel Rate 47360 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 128 768
Texture Mapping Units 64 64
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 754 million 2540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's 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 amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the 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 - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. 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 get to the maximum fill rate.

Display Prices

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GeForce GTS 150

Amazon.com

Check prices at:

GeForce GTX 650 Ti

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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