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Radeon HD 4870 1GB vs Radeon R7 360

Intro

The Radeon HD 4870 1GB comes with a GPU core speed of 750 MHz, and the 1024 MB of GDDR5 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 800(160x5) SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Compare all that to the Radeon R7 360, which comes with a core 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 features 768 SPUs, 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 4870 1GB 150 Watts
Difference: 50 Watts (50%)

Memory Bandwidth

The Radeon HD 4870 1GB should in theory be a small bit faster than the Radeon R7 360 in general. (explain)

Radeon HD 4870 1GB 115200 MB/sec
Radeon R7 360 104000 MB/sec
Difference: 11200 (11%)

Texel Rate

The Radeon R7 360 is quite a bit (about 68%) better at texture filtering than the Radeon HD 4870 1GB. (explain)

Radeon R7 360 50400 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 20400 (68%)

Pixel Rate

The Radeon R7 360 will be a lot (approximately 40%) more effective at FSAA than the Radeon HD 4870 1GB, and will be able to handle higher screen resolutions while still performing well. (explain)

Radeon R7 360 16800 Mpixels/sec
Radeon HD 4870 1GB 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 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 4870 1GB Radeon R7 360
Manufacturer AMD AMD
Year Jun 25, 2008 June 2015
Code Name RV770 XT Tobago
Memory 1024 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 maximum amount of data (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, 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 number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 4870 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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