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GeForce 830M vs Radeon R9 M365X

Intro

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

Compare those specs to the Radeon R9 M365X, which comes with a clock frequency of 925 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M365X is 400% quicker than the GeForce 830M in general, due to its greater bandwidth. (explain)

Radeon R9 M365X 72000 MB/sec
GeForce 830M 14400 MB/sec
Difference: 57600 (400%)

Texel Rate

The Radeon R9 M365X should be much (about 125%) more effective at anisotropic filtering than the GeForce 830M. (explain)

Radeon R9 M365X 37000 Mtexels/sec
GeForce 830M 16464 Mtexels/sec
Difference: 20536 (125%)

Pixel Rate

The Radeon R9 M365X is a lot (about 80%) better at AA than the GeForce 830M, and will be able to handle higher resolutions more effectively. (explain)

Radeon R9 M365X 14800 Mpixels/sec
GeForce 830M 8232 Mpixels/sec
Difference: 6568 (80%)

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:

Radeon R9 M365X

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 Radeon R9 M365X
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GM108 Cape Verde
Memory 2048 MB 4096 MB
Core Speed 1029 MHz 925 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 25 watts (Unknown) watts
Bandwidth 14400 MB/sec 72000 MB/sec
Texel Rate 16464 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 256 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-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 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 applied in one second. This number is calculated by multiplying the total texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's 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 rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 830M

Amazon.com

Check prices at:

Radeon R9 M365X

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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