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Radeon HD 4890 1GB vs Radeon R7 360

Intro

The Radeon HD 4890 1GB comes with a GPU core clock speed of 1000 MHz, and the 1024 MB of GDDR5 RAM runs at 975 MHz through a 256-bit bus. It also is comprised of 800(160x5) Stream Processors, 40 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon R7 360, which has a clock frequency of 1050 MHz and a GDDR5 memory frequency of 1625 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It is comprised of 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 1GB 190 Watts
Difference: 90 Watts (90%)

Memory Bandwidth

As far as performance goes, the Radeon HD 4890 1GB should theoretically be just a bit superior to the Radeon R7 360 overall. (explain)

Radeon HD 4890 1GB 124800 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 20800 (20%)

Texel Rate

The Radeon R7 360 will be much (about 26%) better at anisotropic filtering than the Radeon HD 4890 1GB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4890 1GB 40000 Mtexels/sec
Difference: 10400 (26%)

Pixel Rate

The Radeon R7 360 should be a small bit (more or less 5%) more effective at AA than the Radeon HD 4890 1GB, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon R7 360 16800 Mpixels/sec
Radeon HD 4890 1GB 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 1GB

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 1GB Radeon R7 360
Manufacturer AMD AMD
Year Apr 2, 2009 June 2015
Code Name RV790 XT Tobago
Memory 1024 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 largest amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. 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 amount of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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

Display Prices

Hide Prices

Radeon HD 4890 1GB

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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