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Radeon HD 4830 1GB vs Radeon R5 M330

Intro

The Radeon HD 4830 1GB has a GPU core speed of 575 MHz, and the 1024 MB of GDDR4 memory runs at 900 MHz through a 256-bit bus. It also is made up of 640(128x5) Stream Processors, 32 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R5 M330, which makes use of a 28 nm design. AMD has clocked the core frequency at 1030 MHz. The DDR3 memory works at a frequency of 900 MHz on this model. It features 320 SPUs as well as 20 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 4830 1GB is 300% faster than the Radeon R5 M330 overall, due to its higher bandwidth. (explain)

Radeon HD 4830 1GB 57600 MB/sec
Radeon R5 M330 14400 MB/sec
Difference: 43200 (300%)

Texel Rate

The Radeon R5 M330 should be just a bit (about 12%) better at AF than the Radeon HD 4830 1GB. (explain)

Radeon R5 M330 20600 Mtexels/sec
Radeon HD 4830 1GB 18400 Mtexels/sec
Difference: 2200 (12%)

Pixel Rate

The Radeon HD 4830 1GB will be a little bit (about 12%) more effective at full screen anti-aliasing than the Radeon R5 M330, and should be capable of handling higher resolutions better. (explain)

Radeon HD 4830 1GB 9200 Mpixels/sec
Radeon R5 M330 8240 Mpixels/sec
Difference: 960 (12%)

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 R5 M330

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 R5 M330
Manufacturer AMD AMD
Year Oct 21, 2008 2015
Code Name RV770 LE Oland
Memory 1024 MB 2048 MB
Core Speed 575 MHz 1030 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) 95 watts (Unknown) watts
Bandwidth 57600 MB/sec 14400 MB/sec
Texel Rate 18400 Mtexels/sec 20600 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 8240 Mpixels/sec
Unified Shaders 640(128x5) 320
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR4 DDR3
Bus Width 256-bit 64-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 data (in units of MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it 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, 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 number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon HD 4830 1GB

Amazon.com

Check prices at:

Radeon R5 M330

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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