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Radeon HD 4870 1GB vs Radeon R7 360

Intro

The Radeon HD 4870 1GB has a core clock frequency of 750 MHz and a GDDR5 memory speed of 900 MHz. It also makes use of a 256-bit memory bus, and makes use of a 55 nm design. It features 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

Compare all of that to the Radeon R7 360, which makes use of a 28 nm design. AMD has set the core frequency at 1050 MHz. The GDDR5 RAM runs at a frequency of 1625 MHz on this model. It features 768 SPUs as well as 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 4870 1GB 150 Watts
Difference: 50 Watts (50%)

Memory Bandwidth

In theory, the Radeon HD 4870 1GB should be a small bit faster than the Radeon R7 360 overall. (explain)

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

Texel Rate

The Radeon R7 360 is much (more or less 68%) more effective at anisotropic 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 should be quite a bit (more or less 40%) more effective at anti-aliasing than the Radeon HD 4870 1GB, and also will be capable of handling higher resolutions more effectively. (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: Bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video 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 maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to 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 memory bandwidth is, the lower the ability 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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