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GeForce 9500 GT DDR2 vs Radeon R5 M255

Intro

The GeForce 9500 GT DDR2 comes with a core clock frequency of 550 MHz and a DDR2 memory frequency of 500 MHz. It also uses a 128-bit bus, and makes use of a 65 nm design. It is comprised of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the Radeon R5 M255, which uses a 28 nm design. AMD has clocked the core frequency at 940 MHz. The DDR3 memory is set to run at a frequency of 1000 MHz on this card. It features 320 SPUs along with 20 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Radeon R5 M255 should be much (approximately 114%) more effective at texture filtering than the GeForce 9500 GT DDR2. (explain)

Radeon R5 M255 18800 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 10000 (114%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R5 M255 is a better choice, by far. (explain)

Radeon R5 M255 7520 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 3120 (71%)

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 9500 GT DDR2

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 9500 GT DDR2 Radeon R5 M255
Manufacturer nVidia AMD
Year July 2008 June 2014
Code Name G96a Jet Pro
Memory 256 MB 2048 MB
Core Speed 550 MHz 940 MHz
Memory Speed 1000 MHz 2000 MHz
Power (Max TDP) 50 watts (Unknown) watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 8800 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 32 320
Texture Mapping Units 16 20
Render Output Units 8 8
Bus Type DDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 65 nm 28 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 3.0 x8
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 can be applied in one second. This is calculated by multiplying the total number of texture units by the core clock 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 most pixels the video card could possibly write to its local memory per 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 outputting the pixels (image) to the screen. 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 potential to get to the max fill rate.

Display Prices

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GeForce 9500 GT DDR2

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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