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GeForce GTX 650 Ti 2GB vs GeForce GTX 965M

Intro

The GeForce GTX 650 Ti 2GB comes with a clock speed of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 768 SPUs, 64 TAUs, and 16 ROPs.

Compare that to the GeForce GTX 965M, which makes use of a 28 nm design. nVidia has clocked the core speed at 944 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this specific model. It features 1024 SPUs as well as 64 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 50 Watts (83%)

Memory Bandwidth

The GeForce GTX 650 Ti 2GB, in theory, should be much faster than the GeForce GTX 965M overall. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 22400 (35%)

Texel Rate

The GeForce GTX 965M is a little bit (about 2%) faster with regards to AF than the GeForce GTX 650 Ti 2GB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Difference: 1024 (2%)

Pixel Rate

The GeForce GTX 965M should be a lot (approximately 103%) faster with regards to full screen anti-aliasing than the GeForce GTX 650 Ti 2GB, and also will be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 965M 30208 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 15360 (103%)

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 GTX 650 Ti 2GB

Amazon.com

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GeForce GTX 965M

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 GTX 650 Ti 2GB GeForce GTX 965M
Manufacturer nVidia nVidia
Year October 2012 January 5 2015
Code Name GK106 GM204
Memory 2048 MB 2048 MB
Core Speed 928 MHz 944 MHz
Memory Speed 5400 MHz 4000 MHz
Power (Max TDP) 110 watts 60 watts
Bandwidth 86400 MB/sec 64000 MB/sec
Texel Rate 59392 Mtexels/sec 60416 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 30208 Mpixels/sec
Unified Shaders 768 1024
Texture Mapping Units 64 64
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount 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 applied per second.

Pixel Rate: Pixel rate is the most 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 card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

GeForce GTX 965M

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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