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GeForce 830M vs GeForce GTX 880M

Intro

The GeForce 830M has a core clock speed of 1029 MHz and a DDR3 memory frequency of 900 MHz. It also features a 64-bit bus, and uses a 28 nm design. It is made up of 256 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the GeForce GTX 880M, which has a GPU core clock speed of 954 MHz, and 4096 MB of GDDR5 memory set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce GTX 880M 130 Watts
Difference: 105 Watts (420%)

Memory Bandwidth

In theory, the GeForce GTX 880M should perform much faster than the GeForce 830M overall. (explain)

GeForce GTX 880M 128000 MB/sec
GeForce 830M 14400 MB/sec
Difference: 113600 (789%)

Texel Rate

The GeForce GTX 880M is a lot (approximately 642%) more effective at AF than the GeForce 830M. (explain)

GeForce GTX 880M 122112 Mtexels/sec
GeForce 830M 16464 Mtexels/sec
Difference: 105648 (642%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 880M is superior to the GeForce 830M, by far. (explain)

GeForce GTX 880M 30528 Mpixels/sec
GeForce 830M 8232 Mpixels/sec
Difference: 22296 (271%)

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 830M

Amazon.com

Check prices at:

GeForce GTX 880M

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 830M GeForce GTX 880M
Manufacturer nVidia nVidia
Year March 12 2014 March 12 2014
Code Name GM108 GK104
Memory 2048 MB 4096 MB
Core Speed 1029 MHz 954 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 25 watts 130 watts
Bandwidth 14400 MB/sec 128000 MB/sec
Texel Rate 16464 Mtexels/sec 122112 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 30528 Mpixels/sec
Unified Shaders 256 1536
Texture Mapping Units 16 128
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 64-bit 256-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 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling 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 video card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 830M

Amazon.com

Check prices at:

GeForce GTX 880M

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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