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Radeon HD 4830 1GB vs Radeon R9 M395X

Intro

The Radeon HD 4830 1GB makes use of a 55 nm design. AMD has clocked the core frequency at 575 MHz. The GDDR4 memory runs at a speed of 900 MHz on this specific card. It features 640(128x5) SPUs along with 32 TAUs and 16 ROPs.

Compare those specs to the Radeon R9 M395X, which features a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 memory set to run at 1250 MHz through a 256-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4830 1GB 95 Watts
Radeon R9 M395X 125 Watts
Difference: 30 Watts (32%)

Memory Bandwidth

In theory, the Radeon R9 M395X is 178% quicker than the Radeon HD 4830 1GB overall, because of its higher data rate. (explain)

Radeon R9 M395X 160000 MB/sec
Radeon HD 4830 1GB 57600 MB/sec
Difference: 102400 (178%)

Texel Rate

The Radeon R9 M395X is a lot (more or less 403%) faster with regards to texture filtering than the Radeon HD 4830 1GB. (explain)

Radeon R9 M395X 92544 Mtexels/sec
Radeon HD 4830 1GB 18400 Mtexels/sec
Difference: 74144 (403%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M395X is a better choice, and very much so. (explain)

Radeon R9 M395X 23136 Mpixels/sec
Radeon HD 4830 1GB 9200 Mpixels/sec
Difference: 13936 (151%)

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 1GB

Amazon.com

Check prices at:

Radeon R9 M395X

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 1GB Radeon R9 M395X
Manufacturer AMD AMD
Year Oct 21, 2008 2015
Code Name RV770 LE Tonga
Memory 1024 MB 4096 MB
Core Speed 575 MHz 723 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 95 watts 125 watts
Bandwidth 57600 MB/sec 160000 MB/sec
Texel Rate 18400 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 640(128x5) 2048
Texture Mapping Units 32 128
Render Output Units 16 32
Bus Type GDDR4 GDDR5
Bus Width 256-bit 256-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 largest amount of information (in units of MB per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling 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 graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 output rate is also dependant on quite a few other factors, most notably 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 1GB

Amazon.com

Check prices at:

Radeon R9 M395X

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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