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Radeon HD 4830 512MB vs Radeon R9 M365X

Intro

The Radeon HD 4830 512MB makes use of a 55 nm design. AMD has clocked the core frequency at 575 MHz. The GDDR3 RAM is set to run at a speed of 900 MHz on this specific card. It features 640(128x5) SPUs as well as 32 Texture Address Units and 16 ROPs.

Compare that to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has set the core frequency at 925 MHz. The GDDR5 RAM is set to run at a speed of 1125 MHz on this model. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M365X should be a lot faster than the Radeon HD 4830 512MB in general. (explain)

Radeon R9 M365X 72000 MB/sec
Radeon HD 4830 512MB 57600 MB/sec
Difference: 14400 (25%)

Texel Rate

The Radeon R9 M365X will be quite a bit (more or less 101%) faster with regards to AF than the Radeon HD 4830 512MB. (explain)

Radeon R9 M365X 37000 Mtexels/sec
Radeon HD 4830 512MB 18400 Mtexels/sec
Difference: 18600 (101%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 M365X is the winner, by a large margin. (explain)

Radeon R9 M365X 14800 Mpixels/sec
Radeon HD 4830 512MB 9200 Mpixels/sec
Difference: 5600 (61%)

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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Radeon HD 4830 512MB

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 Radeon HD 4830 512MB Radeon R9 M365X
Manufacturer AMD AMD
Year Oct 21, 2008 2015
Code Name RV770 LE Cape Verde
Memory 512 MB 4096 MB
Core Speed 575 MHz 925 MHz
Memory Speed 1800 MHz 4500 MHz
Power (Max TDP) 95 watts (Unknown) watts
Bandwidth 57600 MB/sec 72000 MB/sec
Texel Rate 18400 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 640(128x5) 640
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 956 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4830 512MB

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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