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Radeon HD 4850 X2 512MB vs Radeon R7 360

Intro

The Radeon HD 4850 X2 512MB features a clock speed of 625 MHz and a GDDR3 memory frequency of 993 MHz. It also uses a 256-bit memory bus, and makes use of a 55 nm design. It is made up of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon R7 360, which uses a 28 nm design. AMD has clocked the core speed at 1050 MHz. The GDDR5 RAM works at a frequency of 1625 MHz on this specific 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 4850 X2 512MB 250 Watts
Difference: 150 Watts (150%)

Memory Bandwidth

Theoretically, the Radeon HD 4850 X2 512MB should be much faster than the Radeon R7 360 in general. (explain)

Radeon HD 4850 X2 512MB 127104 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 23104 (22%)

Texel Rate

The Radeon R7 360 is a little bit (more or less 1%) better at texture filtering than the Radeon HD 4850 X2 512MB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4850 X2 512MB 50000 Mtexels/sec
Difference: 400 (1%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 4850 X2 512MB is superior to the Radeon R7 360, but it probably won't make a huge difference. (explain)

Radeon HD 4850 X2 512MB 20000 Mpixels/sec
Radeon R7 360 16800 Mpixels/sec
Difference: 3200 (19%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 4850 X2 512MB

Amazon.com

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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 4850 X2 512MB Radeon R7 360
Manufacturer AMD AMD
Year Nov 7, 2008 June 2015
Code Name R700 Tobago
Memory 512 MB (x2) 2048 MB
Core Speed 625 MHz (x2) 1050 MHz
Memory Speed 1986 MHz (x2) 6500 MHz
Power (Max TDP) 250 watts 100 watts
Bandwidth 127104 MB/sec 104000 MB/sec
Texel Rate 50000 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 20000 Mpixels/sec 16800 Mpixels/sec
Unified Shaders 800(160x5) (x2) 768
Texture Mapping Units 40 (x2) 48
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 55 nm 28 nm
Transistors 956 million 2080 million
Bus PCIe 2.0 x16 (PCIe bridge) 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 maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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

Display Prices

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Radeon HD 4850 X2 512MB

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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