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Radeon HD 4890 2GB vs Radeon R7 360

Intro

The Radeon HD 4890 2GB uses a 55 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory is set to run at a speed of 975 MHz on this particular card. It features 800(160x5) SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R7 360, which has a core clock frequency of 1050 MHz and a GDDR5 memory speed of 1625 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It features 768 SPUs, 48 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 360 100 Watts
Radeon HD 4890 2GB 190 Watts
Difference: 90 Watts (90%)

Memory Bandwidth

As far as performance goes, the Radeon HD 4890 2GB should in theory be a small bit superior to the Radeon R7 360 in general. (explain)

Radeon HD 4890 2GB 124800 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 20800 (20%)

Texel Rate

The Radeon R7 360 should be much (approximately 26%) more effective at texture filtering than the Radeon HD 4890 2GB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4890 2GB 40000 Mtexels/sec
Difference: 10400 (26%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 360 is the winner, but only just. (explain)

Radeon R7 360 16800 Mpixels/sec
Radeon HD 4890 2GB 16000 Mpixels/sec
Difference: 800 (5%)

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 4890 2GB

Amazon.com

Check prices at:

Radeon R7 360

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 4890 2GB Radeon R7 360
Manufacturer AMD AMD
Year Apr 2, 2009 June 2015
Code Name RV790 XT Tobago
Memory 2048 MB 2048 MB
Core Speed 1000 MHz 1050 MHz
Memory Speed 3900 MHz 6500 MHz
Power (Max TDP) 190 watts 100 watts
Bandwidth 124800 MB/sec 104000 MB/sec
Texel Rate 40000 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 16800 Mpixels/sec
Unified Shaders 800(160x5) 768
Texture Mapping Units 40 48
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 959 million 2080 million
Bus PCIe 2.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4890 2GB

Amazon.com

Check prices at:

Radeon R7 360

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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