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GeForce GTX 880M vs GeForce GTX 950

Intro

The GeForce GTX 880M comes with a GPU clock speed of 954 MHz, and the 4096 MB of GDDR5 memory is set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Compare all that to the GeForce GTX 950, which comes with core speeds of 1024 MHz on the GPU, and 1652 MHz on the 2048 MB of GDDR5 memory. It features 768 SPUs along with 48 Texture Address Units and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 950 6536 points
GeForce GTX 880M 6360 points
Difference: 176 (3%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce GTX 880M 130 Watts
Difference: 40 Watts (44%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 880M should in theory be quite a bit superior to the GeForce GTX 950 overall. (explain)

GeForce GTX 880M 128000 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 22272 (21%)

Texel Rate

The GeForce GTX 880M will be much (more or less 148%) faster with regards to texture filtering than the GeForce GTX 950. (explain)

GeForce GTX 880M 122112 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 72960 (148%)

Pixel Rate

The GeForce GTX 950 is a bit (more or less 7%) faster with regards to AA than the GeForce GTX 880M, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 950 32768 Mpixels/sec
GeForce GTX 880M 30528 Mpixels/sec
Difference: 2240 (7%)

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

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GeForce GTX 950

Amazon.com

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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 GeForce GTX 950
Manufacturer nVidia nVidia
Year March 12 2014 August 2015
Code Name GK104 GM206
Memory 4096 MB 2048 MB
Core Speed 954 MHz 1024 MHz
Memory Speed 4000 MHz 6608 MHz
Power (Max TDP) 130 watts 90 watts
Bandwidth 128000 MB/sec 105728 MB/sec
Texel Rate 122112 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 32768 Mpixels/sec
Unified Shaders 1536 768
Texture Mapping Units 128 48
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 2940 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory 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:

GeForce GTX 950

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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