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Radeon HD 5850 vs Radeon R9 380 4G

Intro

The Radeon HD 5850 features a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is made up of 1440(288x5) SPUs, 72 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon R9 380 4G, which has a core clock speed of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is made up of 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
Radeon R9 380 4G 190 Watts
Difference: 39 Watts (26%)

Memory Bandwidth

In theory, the Radeon R9 380 4G should be 43% quicker than the Radeon HD 5850 in general, due to its higher data rate. (explain)

Radeon R9 380 4G 182400 MB/sec
Radeon HD 5850 128000 MB/sec
Difference: 54400 (43%)

Texel Rate

The Radeon R9 380 4G should be quite a bit (approximately 108%) more effective at AF than the Radeon HD 5850. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 56440 (108%)

Pixel Rate

The Radeon R9 380 4G should be quite a bit (approximately 34%) more effective at AA than the Radeon HD 5850, and also will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 7840 (34%)

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 5850

Amazon.com

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Radeon R9 380 4G

Amazon.com

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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 5850 Radeon R9 380 4G
Manufacturer AMD AMD
Year September 30, 2009 June 2015
Code Name Cypress PRO Antigua PRO
Memory 1024 MB 4096 MB
Core Speed 725 MHz 970 MHz
Memory Speed 4000 MHz 5700 MHz
Power (Max TDP) 151 watts 190 watts
Bandwidth 128000 MB/sec 182400 MB/sec
Texel Rate 52200 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 23200 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 1440(288x5) 1792
Texture Mapping Units 72 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 5000 million
Bus PCIe 2.1 x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the 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 video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. 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 rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5850

Amazon.com

Check prices at:

Radeon R9 380 4G

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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