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GeForce GT 450 (OEM) vs Radeon RX 460

Intro

The GeForce GT 450 (OEM) features a GPU core speed of 790 MHz, and the 1536 MB of GDDR5 RAM is set to run at 1000 MHz through a 192-bit bus. It also is made up of 144 Stream Processors, 24 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the Radeon RX 460, which makes use of a 14 nm design. AMD has set the core speed at 1090 MHz. The GDDR5 memory is set to run at a speed of 1750 MHz on this particular card. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 31 Watts (41%)

Memory Bandwidth

Performance-wise, the Radeon RX 460 should in theory be a little bit better than the GeForce GT 450 (OEM) in general. (explain)

Radeon RX 460 112000 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 16000 (17%)

Texel Rate

The Radeon RX 460 should be quite a bit (about 222%) better at texture filtering than the GeForce GT 450 (OEM). (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 42080 (222%)

Pixel Rate

The GeForce GT 450 (OEM) will be a bit (more or less 9%) faster with regards to full screen anti-aliasing than the Radeon RX 460, and also able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 1520 (9%)

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

GeForce GT 450 (OEM)

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GT 450 (OEM) Radeon RX 460
Manufacturer nVidia AMD
Year October 2010 August 2016
Code Name GF106 Polaris 11
Memory 1536 MB 4096 MB
Core Speed 790 MHz 1090 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 106 watts 75 watts
Bandwidth 96000 MB/sec 112000 MB/sec
Texel Rate 18960 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 17440 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 14 nm
Transistors 1170 million 3000 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 largest amount of data (measured in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

GeForce GT 450 (OEM)

Radeon RX 460

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