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Radeon HD 5870 vs Radeon R9 M375

Intro

The Radeon HD 5870 comes with core speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 RAM. It features 1600(320x5) SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon R9 M375, which makes use of a 28 nm design. AMD has set the core speed at 1015 MHz. The DDR3 memory runs at a frequency of 1100 MHz on this specific card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon HD 5870 should perform quite a bit faster than the Radeon R9 M375 in general. (explain)

Radeon HD 5870 153600 MB/sec
Radeon R9 M375 35200 MB/sec
Difference: 118400 (336%)

Texel Rate

The Radeon HD 5870 should be quite a bit (about 67%) better at texture filtering than the Radeon R9 M375. (explain)

Radeon HD 5870 68000 Mtexels/sec
Radeon R9 M375 40600 Mtexels/sec
Difference: 27400 (67%)

Pixel Rate

The Radeon HD 5870 should be much (approximately 67%) faster with regards to AA than the Radeon R9 M375, and also should be capable of handling higher screen resolutions better. (explain)

Radeon HD 5870 27200 Mpixels/sec
Radeon R9 M375 16240 Mpixels/sec
Difference: 10960 (67%)

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 5870

Amazon.com

Check prices at:

Radeon R9 M375

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 5870 Radeon R9 M375
Manufacturer AMD AMD
Year September 23, 2009 2015
Code Name Cypress XT Cape Verde
Memory 1024 MB 4096 MB
Core Speed 850 MHz 1015 MHz
Memory Speed 4800 MHz 2200 MHz
Power (Max TDP) 188 watts (Unknown) watts
Bandwidth 153600 MB/sec 35200 MB/sec
Texel Rate 68000 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 1600(320x5) 640
Texture Mapping Units 80 40
Render Output Units 32 16
Bus Type GDDR5 DDR3
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transported 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 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5870

Amazon.com

Check prices at:

Radeon R9 M375

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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