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Radeon HD 5830 vs Radeon R9 M295X

Intro

The Radeon HD 5830 uses a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this model. It features 1120(224x5) SPUs along with 56 TAUs and 16 ROPs.

Compare those specs to the Radeon R9 M295X, which makes use of a 28 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 memory runs at a frequency of 1375 MHz on this model. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
Radeon HD 5830 175 Watts
Difference: 50 Watts (40%)

Memory Bandwidth

The Radeon R9 M295X should theoretically be a lot faster than the Radeon HD 5830 overall. (explain)

Radeon R9 M295X 176000 MB/sec
Radeon HD 5830 128000 MB/sec
Difference: 48000 (38%)

Texel Rate

The Radeon R9 M295X is much (approximately 114%) faster with regards to texture filtering than the Radeon HD 5830. (explain)

Radeon R9 M295X 96000 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 51200 (114%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M295X is a better choice, and very much so. (explain)

Radeon R9 M295X 24000 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 11200 (88%)

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 5830

Amazon.com

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Radeon R9 M295X

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 5830 Radeon R9 M295X
Manufacturer AMD AMD
Year February 25, 2010 2014
Code Name Cypress LE Unknown
Memory 1024 MB 4096 MB
Core Speed 800 MHz 750 MHz
Memory Speed 4000 MHz 5500 MHz
Power (Max TDP) 175 watts 125 watts
Bandwidth 128000 MB/sec 176000 MB/sec
Texel Rate 44800 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 1120(224x5) 2048
Texture Mapping Units 56 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 are applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 5830

Amazon.com

Check prices at:

Radeon R9 M295X

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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