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GeForce GT 450 (OEM) vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GT 450 (OEM) features a clock frequency of 790 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 192-bit bus, and uses a 40 nm design. It is comprised of 144 SPUs, 24 Texture Address Units, and 24 ROPs.

Compare those specs to the GeForce GTX 650 Ti 2GB, which has a core clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 4 Watts (4%)

Memory Bandwidth

As far as performance goes, the GeForce GT 450 (OEM) should in theory be just a bit superior to the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 650 Ti 2GB is much (approximately 213%) more effective at AF than the GeForce GT 450 (OEM). (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 40432 (213%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 450 (OEM) is a better choice, by far. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 4112 (28%)

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 GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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 GT 450 (OEM) GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year October 2010 October 2012
Code Name GF106 GK106
Memory 1536 MB 2048 MB
Core Speed 790 MHz 928 MHz
Memory Speed 4000 MHz 5400 MHz
Power (Max TDP) 106 watts 110 watts
Bandwidth 96000 MB/sec 86400 MB/sec
Texel Rate 18960 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 144 768
Texture Mapping Units 24 64
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 2540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 are applied per second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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

Display Prices

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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