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GeForce GTS 450 1GB vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce GTS 450 1GB comes with a clock speed of 783 MHz and a GDDR5 memory speed of 902 MHz. It also makes use of a 128-bit bus, and makes use of a 40 nm design. It is comprised of 192 SPUs, 32 TAUs, and 16 ROPs.

Compare all of that to the Radeon HD 6570 (OEM) 1GB, which comes with a core clock frequency of 650 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It is made up of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 56 Watts (112%)

Memory Bandwidth

As far as performance goes, the GeForce GTS 450 1GB should in theory be much better than the Radeon HD 6570 (OEM) 1GB in general. (explain)

GeForce GTS 450 1GB 57728 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 28928 (100%)

Texel Rate

The GeForce GTS 450 1GB should be a lot (approximately 61%) better at AF than the Radeon HD 6570 (OEM) 1GB. (explain)

GeForce GTS 450 1GB 25056 Mtexels/sec
Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Difference: 9456 (61%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTS 450 1GB is a better choice, and very much so. (explain)

GeForce GTS 450 1GB 12528 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Difference: 7328 (141%)

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

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Radeon HD 6570 (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 GTS 450 1GB Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year September 2010 February 2011
Code Name GF106 Turks
Memory 1024 MB 1024 MB
Core Speed 783 MHz 650 MHz
Memory Speed 3608 MHz 1800 MHz
Power (Max TDP) 106 watts 50 watts
Bandwidth 57728 MB/sec 28800 MB/sec
Texel Rate 25056 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 192 480
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR5 GDDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (counted in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant 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 maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 450 1GB

Amazon.com

Check prices at:

Radeon HD 6570 (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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