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GeForce GTX 750 Ti vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GTX 750 Ti features a GPU clock speed of 1020 MHz, and the 2048 MB of GDDR5 RAM is set to run at 1350 MHz through a 128-bit bus. It also features 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon HD 6450 (OEM) 1GB, which uses a 40 nm design. AMD has set the core speed at 750 MHz. The GDDR5 memory works at a speed of 900 MHz on this particular card. It features 160 SPUs as well as 8 Texture Address Units and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GTX 750 Ti 60 Watts
Difference: 29 Watts (94%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 750 Ti should be a lot faster than the Radeon HD 6450 (OEM) 1GB in general. (explain)

GeForce GTX 750 Ti 86400 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 57600 (200%)

Texel Rate

The GeForce GTX 750 Ti is a lot (about 580%) better at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GTX 750 Ti 40800 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 34800 (580%)

Pixel Rate

The GeForce GTX 750 Ti should be quite a bit (more or less 444%) more effective at full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and should be able to handle higher resolutions better. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 13320 (444%)

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 750 Ti

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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 GTX 750 Ti Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year February 2014 February 2011
Code Name GM107 Caicos
Memory 2048 MB 1024 MB
Core Speed 1020 MHz 750 MHz
Memory Speed 5400 MHz 3600 MHz
Power (Max TDP) 60 watts 31 watts
Bandwidth 86400 MB/sec 28800 MB/sec
Texel Rate 40800 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 640 160
Texture Mapping Units 40 8
Render Output Units 16 4
Bus Type GDDR5 GDDR5
Bus Width 128-bit 64-bit
Fab Process 28 nm 40 nm
Transistors 1870 million 370 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.4 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

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

Display Prices

Hide Prices

GeForce GTX 750 Ti

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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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