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GeForce GTS 450 1GB vs Radeon HD 5670

Intro

The GeForce GTS 450 1GB comes with clock speeds of 783 MHz on the GPU, and 902 MHz on the 1024 MB of GDDR5 memory. It features 192 SPUs as well as 32 TAUs and 16 ROPs.

Compare those specs to the Radeon HD 5670, which comes with 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.

Display Graphs

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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

In theory, the Radeon HD 5670 should be 11% quicker than the GeForce GTS 450 1GB overall, because of its greater data rate. (explain)

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

Texel Rate

The GeForce GTS 450 1GB is quite a bit (about 62%) faster with regards to 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

The GeForce GTS 450 1GB should be much (more or less 102%) more effective at full screen anti-aliasing than the Radeon HD 5670, and able to handle higher resolutions without losing too much performance. (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 largest amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's 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 rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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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.

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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