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

Intro

The GeForce GTX 750 Ti uses a 28 nm design. nVidia has clocked the core speed at 1020 MHz. The GDDR5 RAM is set to run at a frequency of 1350 MHz on this specific card. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Compare all that to the Radeon HD 6450 (OEM) 1GB, which uses a 40 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 RAM runs at a speed of 900 MHz on this specific card. It features 160 SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

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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

In theory, the GeForce GTX 750 Ti will be 200% quicker than the Radeon HD 6450 (OEM) 1GB in general, because of its higher data rate. (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 much (approximately 580%) faster with regards to 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

If using a high resolution is important to you, then the GeForce GTX 750 Ti is the winner, by a large margin. (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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at handling 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 write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour 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 is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max 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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