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GeForce GT 450 (OEM) vs Radeon HD 5850

Intro

The GeForce GT 450 (OEM) makes use of a 40 nm design. nVidia has set the core speed at 790 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this specific model. It features 144 SPUs along with 24 Texture Address Units and 24 ROPs.

Compare all of that to the Radeon HD 5850, which comes with a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It features 1440(288x5) SPUs, 72 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
Radeon HD 5850 151 Watts
Difference: 45 Watts (42%)

Memory Bandwidth

In theory, the Radeon HD 5850 should be 33% quicker than the GeForce GT 450 (OEM) in general, due to its greater data rate. (explain)

Radeon HD 5850 128000 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 32000 (33%)

Texel Rate

The Radeon HD 5850 is a lot (approximately 175%) faster with regards to AF than the GeForce GT 450 (OEM). (explain)

Radeon HD 5850 52200 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 33240 (175%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 5850 is a better choice, by a large margin. (explain)

Radeon HD 5850 23200 Mpixels/sec
GeForce GT 450 (OEM) 18960 Mpixels/sec
Difference: 4240 (22%)

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:

Radeon HD 5850

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) Radeon HD 5850
Manufacturer nVidia AMD
Year October 2010 September 30, 2009
Code Name GF106 Cypress PRO
Memory 1536 MB 1024 MB
Core Speed 790 MHz 725 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 106 watts 151 watts
Bandwidth 96000 MB/sec 128000 MB/sec
Texel Rate 18960 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 144 1440(288x5)
Texture Mapping Units 24 72
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 2154 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 is worked out by multiplying the total 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 maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

Radeon HD 5850

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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