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Radeon HD 4890 2GB vs Radeon R7 360

Intro

The Radeon HD 4890 2GB comes with clock speeds of 1000 MHz on the GPU, and 975 MHz on the 2048 MB of GDDR5 RAM. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 ROPs.

Compare those specs to the Radeon R7 360, which makes use of a 28 nm design. AMD has clocked the core frequency at 1050 MHz. The GDDR5 memory is set to run at a speed of 1625 MHz on this card. It features 768 SPUs as well as 48 Texture Address Units and 16 ROPs.

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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

Theoretically speaking, the Radeon HD 4890 2GB will be 20% faster than the Radeon R7 360 overall, due to its higher bandwidth. (explain)

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

Texel Rate

The Radeon R7 360 is much (more or less 26%) faster with regards to AF 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

The Radeon R7 360 will be a little bit (about 5%) better at FSAA than the Radeon HD 4890 2GB, and also should be capable of handling higher resolutions more effectively. (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 data (counted in megabytes per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 applied per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip 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 called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of 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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