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GeForce GTS 450 1GB vs Radeon HD 5670

Intro

The GeForce GTS 450 1GB uses a 40 nm design. nVidia has set the core speed at 783 MHz. The GDDR5 RAM is set to run at a frequency of 902 MHz on this specific card. It features 192 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 5670, which has core clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 45 Watts (74%)

Memory Bandwidth

The Radeon HD 5670, in theory, should perform a little bit faster than the GeForce GTS 450 1GB in general. (explain)

Radeon HD 5670 64000 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 6272 (11%)

Texel Rate

The GeForce GTS 450 1GB will be much (approximately 62%) better at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTS 450 1GB 25056 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 9556 (62%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTS 450 1GB is superior to the Radeon HD 5670, and very much so. (explain)

GeForce GTS 450 1GB 12528 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 6328 (102%)

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 GTS 450 1GB

Amazon.com

Check prices at:

Radeon HD 5670

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 GTS 450 1GB Radeon HD 5670
Manufacturer nVidia AMD
Year September 2010 January 14, 2010
Code Name GF106 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 783 MHz 775 MHz
Memory Speed 3608 MHz 4000 MHz
Power (Max TDP) 106 watts 61 watts
Bandwidth 57728 MB/sec 64000 MB/sec
Texel Rate 25056 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 192 400(80x5)
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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

Display Prices

Hide Prices

GeForce GTS 450 1GB

Amazon.com

Check prices at:

Radeon HD 5670

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.

Comments

2 Responses to “GeForce GTS 450 1GB vs Radeon HD 5670”
Placa ViDeo - My Garage says:

[...] in ceea ce priveste performanta acesteia. Uite, aici ai o comparatie directa intre cele doua: http://www.hwcompare.com/7753/geforc...adeon-hd-5670/ Eu recomand un efort de 100 de lei, pentru a lua asta: Va rugam activati JavaScript in [...]

castor valdez says:

can i replace hd 6770 to gts450

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