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GeForce GT 430 1GB vs Radeon R5 M255

Intro

The GeForce GT 430 1GB has core speeds of 700 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 96 SPUs along with 16 Texture Address Units and 4 Rasterization Operator Units.

Compare all of that to the Radeon R5 M255, which uses a 28 nm design. AMD has clocked the core speed at 940 MHz. The DDR3 memory works at a frequency of 1000 MHz on this model. It features 320 SPUs along with 20 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GT 430 1GB is 80% faster than the Radeon R5 M255 overall, because of its higher data rate. (explain)

GeForce GT 430 1GB 28800 MB/sec
Radeon R5 M255 16000 MB/sec
Difference: 12800 (80%)

Texel Rate

The Radeon R5 M255 will be much (more or less 68%) faster with regards to texture filtering than the GeForce GT 430 1GB. (explain)

Radeon R5 M255 18800 Mtexels/sec
GeForce GT 430 1GB 11200 Mtexels/sec
Difference: 7600 (68%)

Pixel Rate

The Radeon R5 M255 will be quite a bit (about 169%) faster with regards to anti-aliasing than the GeForce GT 430 1GB, and should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R5 M255 7520 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 4720 (169%)

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 430 1GB

Amazon.com

Check prices at:

Radeon R5 M255

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 430 1GB Radeon R5 M255
Manufacturer nVidia AMD
Year October 2010 June 2014
Code Name GF108 Jet Pro
Memory 1024 MB 2048 MB
Core Speed 700 MHz 940 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 60 watts (Unknown) watts
Bandwidth 28800 MB/sec 16000 MB/sec
Texel Rate 11200 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 96 320
Texture Mapping Units 16 20
Render Output Units 4 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 40 nm 28 nm
Transistors 585 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 430 1GB

Amazon.com

Check prices at:

Radeon R5 M255

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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