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GeForce GTX 960M vs Radeon HD 4830 512MB

Intro

The GeForce GTX 960M makes use of a 28 nm design. nVidia has set the core frequency at 1096 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this particular card. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 4830 512MB, which comes with core speeds of 575 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 memory. It features 640(128x5) SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960M 65 Watts
Radeon HD 4830 512MB 95 Watts
Difference: 30 Watts (46%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 960M should in theory be just a bit better than the Radeon HD 4830 512MB in general. (explain)

GeForce GTX 960M 64000 MB/sec
Radeon HD 4830 512MB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce GTX 960M is a lot (about 138%) more effective at anisotropic filtering than the Radeon HD 4830 512MB. (explain)

GeForce GTX 960M 43840 Mtexels/sec
Radeon HD 4830 512MB 18400 Mtexels/sec
Difference: 25440 (138%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 960M is a better choice, by a large margin. (explain)

GeForce GTX 960M 17536 Mpixels/sec
Radeon HD 4830 512MB 9200 Mpixels/sec
Difference: 8336 (91%)

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 960M

Amazon.com

Check prices at:

Radeon HD 4830 512MB

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 960M Radeon HD 4830 512MB
Manufacturer nVidia AMD
Year March 12 2015 Oct 21, 2008
Code Name GM107 RV770 LE
Memory 2048 MB 512 MB
Core Speed 1096 MHz 575 MHz
Memory Speed 4000 MHz 1800 MHz
Power (Max TDP) 65 watts 95 watts
Bandwidth 64000 MB/sec 57600 MB/sec
Texel Rate 43840 Mtexels/sec 18400 Mtexels/sec
Pixel Rate 17536 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 640 640(128x5)
Texture Mapping Units 40 32
Render Output Units 16 16
Bus Type GDDR5 GDDR3
Bus Width 128-bit 256-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its 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 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 rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 960M

Amazon.com

Check prices at:

Radeon HD 4830 512MB

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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