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GeForce GTX 880M vs Radeon R9 M375X

Intro

The GeForce GTX 880M has a GPU clock speed of 954 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon R9 M375X, which has a clock speed of 1015 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 880M should in theory be quite a bit better than the Radeon R9 M375X in general. (explain)

GeForce GTX 880M 128000 MB/sec
Radeon R9 M375X 72000 MB/sec
Difference: 56000 (78%)

Texel Rate

The GeForce GTX 880M will be much (more or less 201%) better at AF than the Radeon R9 M375X. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon R9 M375X 40600 Mtexels/sec
Difference: 81512 (201%)

Pixel Rate

The GeForce GTX 880M is quite a bit (more or less 88%) more effective at FSAA than the Radeon R9 M375X, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon R9 M375X 16240 Mpixels/sec
Difference: 14288 (88%)

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 880M

Amazon.com

Check prices at:

Radeon R9 M375X

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 880M Radeon R9 M375X
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GK104 Cape Verde
Memory 4096 MB 4096 MB
Core Speed 954 MHz 1015 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 130 watts (Unknown) watts
Bandwidth 128000 MB/sec 72000 MB/sec
Texel Rate 122112 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 1536 640
Texture Mapping Units 128 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 processed per second. This number 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon R9 M375X

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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