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GeForce GT 430 1GB vs Radeon R5 M255

Intro

The GeForce GT 430 1GB comes with a GPU clock speed of 700 MHz, and the 1024 MB of GDDR3 RAM is set to run at 900 MHz through a 128-bit bus. It also features 96 SPUs, 16 Texture Address Units, and 4 Raster Operation Units.

Compare that to the Radeon R5 M255, which comes with a core clock speed of 940 MHz and a DDR3 memory speed of 1000 MHz. It also features a 64-bit bus, and makes use of a 28 nm design. It is made up of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GT 430 1GB should theoretically be quite a bit superior to the Radeon R5 M255 in general. (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 a lot (about 68%) better at AF 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 is quite a bit (about 169%) better at anti-aliasing than the GeForce GT 430 1GB, and will be capable of handling higher screen resolutions without losing too much performance. (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 largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max 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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