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Radeon HD 5830 vs Radeon R9 M275X

Intro

The Radeon HD 5830 has a GPU core clock speed of 800 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1120(224x5) Stream Processors, 56 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M275X, which features GPU clock speed of 900 MHz, and 2048 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X 50 Watts
Radeon HD 5830 175 Watts
Difference: 125 Watts (250%)

Memory Bandwidth

In theory, the Radeon HD 5830 should perform quite a bit faster than the Radeon R9 M275X overall. (explain)

Radeon HD 5830 128000 MB/sec
Radeon R9 M275X 72000 MB/sec
Difference: 56000 (78%)

Texel Rate

The Radeon HD 5830 should be a lot (approximately 24%) more effective at AF than the Radeon R9 M275X. (explain)

Radeon HD 5830 44800 Mtexels/sec
Radeon R9 M275X 36000 Mtexels/sec
Difference: 8800 (24%)

Pixel Rate

The Radeon R9 M275X is a bit (more or less 13%) more effective at anti-aliasing than the Radeon HD 5830, and should be able to handle higher resolutions while still performing well. (explain)

Radeon R9 M275X 14400 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 1600 (13%)

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

Check prices at:

Radeon R9 M275X

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 M275X
Manufacturer AMD AMD
Year February 25, 2010 May 1 2014
Code Name Cypress LE Venus XTX
Memory 1024 MB 2048 MB
Core Speed 800 MHz 900 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 175 watts 50 watts
Bandwidth 128000 MB/sec 72000 MB/sec
Texel Rate 44800 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 12800 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 1120(224x5) 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-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 max amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 number of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5830

Amazon.com

Check prices at:

Radeon R9 M275X

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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