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Radeon HD 6670 (OEM) vs Radeon R9 M365X

Intro

The Radeon HD 6670 (OEM) uses a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this card. It features 480 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Compare those specs to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has clocked the core speed at 925 MHz. The GDDR5 memory is set to run at a speed of 1125 MHz on this card. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M365X should in theory be a bit better than the Radeon HD 6670 (OEM) overall. (explain)

Radeon R9 M365X 72000 MB/sec
Radeon HD 6670 (OEM) 64000 MB/sec
Difference: 8000 (13%)

Texel Rate

The Radeon R9 M365X should be quite a bit (approximately 93%) faster with regards to texture filtering than the Radeon HD 6670 (OEM). (explain)

Radeon R9 M365X 37000 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 17800 (93%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 M365X is the winner, by a large margin. (explain)

Radeon R9 M365X 14800 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 8400 (131%)

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 6670 (OEM)

Amazon.com

Check prices at:

Radeon R9 M365X

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 6670 (OEM) Radeon R9 M365X
Manufacturer AMD AMD
Year February 2011 2015
Code Name Turks Cape Verde
Memory 512 MB 4096 MB
Core Speed 800 MHz 925 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 63 watts (Unknown) watts
Bandwidth 64000 MB/sec 72000 MB/sec
Texel Rate 19200 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 6400 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 480 640
Texture Mapping Units 24 40
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 715 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once 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 number of texture map elements (texels) that are applied per second. This figure 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 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 that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. 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 many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6670 (OEM)

Amazon.com

Check prices at:

Radeon R9 M365X

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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