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GeForce GT 450 (OEM) vs Radeon R9 M385X

Intro

The GeForce GT 450 (OEM) comes with a clock frequency of 790 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 192-bit memory bus, and uses a 40 nm design. It is comprised of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Compare those specs to the Radeon R9 M385X, which makes use of a 28 nm design. AMD has clocked the core speed at 1100 MHz. The GDDR5 RAM runs at a frequency of 1500 MHz on this card. It features 896 SPUs along with 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The Radeon R9 M385X will be quite a bit (more or less 225%) faster with regards to anisotropic filtering than the GeForce GT 450 (OEM). (explain)

Radeon R9 M385X 61600 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 42640 (225%)

Pixel Rate

The GeForce GT 450 (OEM) should be just a bit (about 8%) faster with regards to anti-aliasing than the Radeon R9 M385X, and will be able to handle higher resolutions better. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
Radeon R9 M385X 17600 Mpixels/sec
Difference: 1360 (8%)

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

Check prices at:

Radeon R9 M385X

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 GT 450 (OEM) Radeon R9 M385X
Manufacturer nVidia AMD
Year October 2010 2015
Code Name GF106 Bonaire
Memory 1536 MB 4096 MB
Core Speed 790 MHz 1100 MHz
Memory Speed 4000 MHz 6000 MHz
Power (Max TDP) 106 watts (Unknown) watts
Bandwidth 96000 MB/sec 96000 MB/sec
Texel Rate 18960 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 144 896
Texture Mapping Units 24 56
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 amount of texture map elements (texels) that are applied per second. This is calculated 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 processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

Radeon R9 M385X

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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