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GeForce GTX 960 vs Radeon R5 M255

Intro

The GeForce GTX 960 features core speeds of 1127 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

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

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 960 should in theory be quite a bit faster than the Radeon R5 M255 overall. (explain)

GeForce GTX 960 112000 MB/sec
Radeon R5 M255 16000 MB/sec
Difference: 96000 (600%)

Texel Rate

The GeForce GTX 960 is a lot (more or less 284%) faster with regards to texture filtering than the Radeon R5 M255. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon R5 M255 18800 Mtexels/sec
Difference: 53328 (284%)

Pixel Rate

The GeForce GTX 960 will be quite a bit (approximately 380%) faster with regards to anti-aliasing than the Radeon R5 M255, and also should be able to handle higher resolutions better. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon R5 M255 7520 Mpixels/sec
Difference: 28544 (380%)

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 GTX 960

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 GTX 960 Radeon R5 M255
Manufacturer nVidia AMD
Year January 2015 June 2014
Code Name GM206 Jet Pro
Memory 2048 MB 2048 MB
Core Speed 1127 MHz 940 MHz
Memory Speed 7000 MHz 2000 MHz
Power (Max TDP) 120 watts (Unknown) watts
Bandwidth 112000 MB/sec 16000 MB/sec
Texel Rate 72128 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 1024 320
Texture Mapping Units 64 20
Render Output Units 32 8
Bus Type GDDR5 DDR3
Bus Width 128-bit 64-bit
Fab Process 28 nm 28 nm
Transistors 2940 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x8
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 960

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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