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Radeon HD 4890 1GB vs Radeon R7 360

Intro

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

Compare all that to the Radeon R7 360, which uses a 28 nm design. AMD has clocked the core speed at 1050 MHz. The GDDR5 RAM runs at a speed of 1625 MHz on this particular model. It features 768 SPUs along with 48 Texture Address Units and 16 Rasterization Operator 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

Theoretically speaking, the Radeon HD 4890 1GB should perform a small bit faster than the Radeon R7 360 in general. (explain)

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

Texel Rate

The Radeon R7 360 should be much (approximately 26%) faster with regards to 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 will be a small bit (more or less 5%) more effective at AA than the Radeon HD 4890 1GB, and also able to handle higher resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach 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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