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GeForce GTS 450 1GB vs Radeon RX 570

Intro

The GeForce GTS 450 1GB makes use of a 40 nm design. nVidia has clocked the core speed at 783 MHz. The GDDR5 memory works at a speed of 902 MHz on this model. It features 192 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon RX 570, which comes with core speeds of 1168 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB 106 Watts
Radeon RX 570 150 Watts
Difference: 44 Watts (42%)

Memory Bandwidth

As far as performance goes, the Radeon RX 570 should theoretically be quite a bit superior to the GeForce GTS 450 1GB overall. (explain)

Radeon RX 570 229376 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 171648 (297%)

Texel Rate

The Radeon RX 570 will be quite a bit (more or less 497%) faster with regards to AF than the GeForce GTS 450 1GB. (explain)

Radeon RX 570 149504 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 124448 (497%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 570 is the winner, by far. (explain)

Radeon RX 570 37376 Mpixels/sec
GeForce GTS 450 1GB 12528 Mpixels/sec
Difference: 24848 (198%)

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 RX 570

Amazon.com

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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 RX 570
Manufacturer nVidia AMD
Year September 2010 April 2017
Code Name GF106 Polaris 20
Memory 1024 MB 4096 MB
Core Speed 783 MHz 1168 MHz
Memory Speed 3608 MHz 7000 MHz
Power (Max TDP) 106 watts 150 watts
Bandwidth 57728 MB/sec 229376 MB/sec
Texel Rate 25056 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 192 2048
Texture Mapping Units 32 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 1170 million 5700 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units of the card 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 a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. 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 many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTS 450 1GB

Amazon.com

Check prices at:

Radeon RX 570

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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