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Radeon HD 4870 512MB vs Radeon R7 360

Intro

The Radeon HD 4870 512MB has a GPU clock speed of 750 MHz, and the 512 MB of GDDR5 memory is set to run at 900 MHz through a 256-bit bus. It also is made up of 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

Compare all of that to the Radeon R7 360, which comes with a clock speed of 1050 MHz and a GDDR5 memory frequency of 1625 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 48 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 360 100 Watts
Radeon HD 4870 512MB 150 Watts
Difference: 50 Watts (50%)

Memory Bandwidth

In theory, the Radeon HD 4870 512MB will be 11% quicker than the Radeon R7 360 overall, because of its higher bandwidth. (explain)

Radeon HD 4870 512MB 115200 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 11200 (11%)

Texel Rate

The Radeon R7 360 will be quite a bit (approximately 68%) more effective at AF than the Radeon HD 4870 512MB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4870 512MB 30000 Mtexels/sec
Difference: 20400 (68%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R7 360 is superior to the Radeon HD 4870 512MB, and very much so. (explain)

Radeon R7 360 16800 Mpixels/sec
Radeon HD 4870 512MB 12000 Mpixels/sec
Difference: 4800 (40%)

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 4870 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.

Specifications

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Model Radeon HD 4870 512MB Radeon R7 360
Manufacturer AMD AMD
Year Jun 25, 2008 June 2015
Code Name RV770 XT Tobago
Memory 512 MB 2048 MB
Core Speed 750 MHz 1050 MHz
Memory Speed 3600 MHz 6500 MHz
Power (Max TDP) 150 watts 100 watts
Bandwidth 115200 MB/sec 104000 MB/sec
Texel Rate 30000 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 12000 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 956 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 max amount of data (counted in MB per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total amount 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 applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core 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 output rate also depends on lots of 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

Hide Prices

Radeon HD 4870 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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