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GeForce GT 450 (OEM) vs Radeon RX 570

Intro

The GeForce GT 450 (OEM) has core speeds of 790 MHz on the GPU, and 1000 MHz on the 1536 MB of GDDR5 memory. It features 144 SPUs along with 24 TAUs and 24 ROPs.

Compare those specifications to the Radeon RX 570, which comes with a core clock frequency of 1168 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 256-bit bus, and makes use of a 14 nm design. It is made up of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
Radeon RX 570 150 Watts
Difference: 44 Watts (42%)

Memory Bandwidth

Performance-wise, the Radeon RX 570 should theoretically be much better than the GeForce GT 450 (OEM) overall. (explain)

Radeon RX 570 229376 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 133376 (139%)

Texel Rate

The Radeon RX 570 should be much (approximately 689%) faster with regards to texture filtering than the GeForce GT 450 (OEM). (explain)

Radeon RX 570 149504 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 130544 (689%)

Pixel Rate

The Radeon RX 570 should be quite a bit (more or less 97%) better at FSAA than the GeForce GT 450 (OEM), and will be able to handle higher resolutions without slowing down too much. (explain)

Radeon RX 570 37376 Mpixels/sec
GeForce GT 450 (OEM) 18960 Mpixels/sec
Difference: 18416 (97%)

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

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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 GT 450 (OEM) Radeon RX 570
Manufacturer nVidia AMD
Year October 2010 April 2017
Code Name GF106 Polaris 20
Memory 1536 MB 4096 MB
Core Speed 790 MHz 1168 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 106 watts 150 watts
Bandwidth 96000 MB/sec 229376 MB/sec
Texel Rate 18960 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 144 2048
Texture Mapping Units 24 128
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-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: Memory bandwidth is the max amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the video 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 maximum amount of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 450 (OEM)

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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