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GeForce GTX 860M vs Radeon HD 4830 1GB

Intro

The GeForce GTX 860M comes with a GPU core clock speed of 797 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1000 MHz through a 128-bit bus. It also is comprised of 1152 SPUs, 96 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon HD 4830 1GB, which features clock speeds of 575 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR4 RAM. 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 860M 45 Watts
Radeon HD 4830 1GB 95 Watts
Difference: 50 Watts (111%)

Memory Bandwidth

The GeForce GTX 860M should in theory perform a bit faster than the Radeon HD 4830 1GB in general. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 4830 1GB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce GTX 860M is much (more or less 316%) more effective at texture filtering than the Radeon HD 4830 1GB. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 4830 1GB 18400 Mtexels/sec
Difference: 58112 (316%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 860M is the winner, by far. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 4830 1GB 9200 Mpixels/sec
Difference: 3552 (39%)

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 860M

Amazon.com

Check prices at:

Radeon HD 4830 1GB

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 860M Radeon HD 4830 1GB
Manufacturer nVidia AMD
Year March 12 2014 Oct 21, 2008
Code Name GM107 RV770 LE
Memory 4096 MB 1024 MB
Core Speed 797 MHz 575 MHz
Memory Speed 4000 MHz 1800 MHz
Power (Max TDP) 45 watts 95 watts
Bandwidth 64000 MB/sec 57600 MB/sec
Texel Rate 76512 Mtexels/sec 18400 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 1152 640(128x5)
Texture Mapping Units 96 32
Render Output Units 16 16
Bus Type GDDR5 GDDR4
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: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few 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

Hide Prices

GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4830 1GB

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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