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GeForce 830M vs GeForce GTX 980 Ti

Intro

The GeForce 830M uses a 28 nm design. nVidia has clocked the core frequency at 1029 MHz. The DDR3 memory runs at a speed of 900 MHz on this model. It features 256 SPUs along with 16 Texture Address Units and 8 Rasterization Operator Units.

Compare that to the GeForce GTX 980 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 1000 MHz. The GDDR5 memory works at a frequency of 1750 MHz on this card. It features 2816 SPUs along with 176 TAUs and 96 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce GTX 980 Ti 250 Watts
Difference: 225 Watts (900%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 Ti should in theory be quite a bit better than the GeForce 830M overall. (explain)

GeForce GTX 980 Ti 336000 MB/sec
GeForce 830M 14400 MB/sec
Difference: 321600 (2233%)

Texel Rate

The GeForce GTX 980 Ti should be a lot (approximately 969%) faster with regards to AF than the GeForce 830M. (explain)

GeForce GTX 980 Ti 176000 Mtexels/sec
GeForce 830M 16464 Mtexels/sec
Difference: 159536 (969%)

Pixel Rate

The GeForce GTX 980 Ti is much (approximately 1066%) faster with regards to anti-aliasing than the GeForce 830M, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
GeForce 830M 8232 Mpixels/sec
Difference: 87768 (1066%)

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

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GeForce GTX 980 Ti

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 830M GeForce GTX 980 Ti
Manufacturer nVidia nVidia
Year March 12 2014 June 2015
Code Name GM108 GM200
Memory 2048 MB 6144 MB
Core Speed 1029 MHz 1000 MHz
Memory Speed 1800 MHz 7000 MHz
Power (Max TDP) 25 watts 250 watts
Bandwidth 14400 MB/sec 336000 MB/sec
Texel Rate 16464 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 96000 Mpixels/sec
Unified Shaders 256 2816
Texture Mapping Units 16 176
Render Output Units 8 96
Bus Type DDR3 GDDR5
Bus Width 64-bit 384-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 8000 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 information (counted in MB per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 can be processed in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 get to the max fill rate.

Display Prices

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GeForce 830M

Amazon.com

Check prices at:

GeForce GTX 980 Ti

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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