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GeForce GTX 880M vs Radeon R9 M375X

Intro

The GeForce GTX 880M features a core clock speed of 954 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is comprised of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon R9 M375X, which uses a 28 nm design. AMD has clocked the core speed at 1015 MHz. The GDDR5 memory is set to run at a speed of 1125 MHz on this particular card. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 880M should be a lot faster than the Radeon R9 M375X overall. (explain)

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

Texel Rate

The GeForce GTX 880M is much (about 201%) more effective at texture filtering than the Radeon R9 M375X. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 880M is superior to the Radeon R9 M375X, and very much so. (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: Bandwidth is the max amount of data (in units of MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video 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 graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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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.

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