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Radeon HD 6670 (OEM) 1GB vs Radeon R7 M260X

Intro

The Radeon HD 6670 (OEM) 1GB makes use of a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this particular card. It features 480 SPUs as well as 24 TAUs and 8 ROPs.

Compare all that to the Radeon R7 M260X, which comes with GPU clock speed of 825 MHz, and 2048 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also is made up of 384 Stream Processors, 24 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The Radeon R7 M260X should be just a bit (more or less 3%) more effective at texture filtering than the Radeon HD 6670 (OEM) 1GB. (explain)

Radeon R7 M260X 19800 Mtexels/sec
Radeon HD 6670 (OEM) 1GB 19200 Mtexels/sec
Difference: 600 (3%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R7 M260X is superior to the Radeon HD 6670 (OEM) 1GB, but only just. (explain)

Radeon R7 M260X 6600 Mpixels/sec
Radeon HD 6670 (OEM) 1GB 6400 Mpixels/sec
Difference: 200 (3%)

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) 1GB

Amazon.com

Check prices at:

Radeon R7 M260X

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) 1GB Radeon R7 M260X
Manufacturer AMD AMD
Year February 2011 June 2014
Code Name Turks Opal
Memory 1024 MB 2048 MB
Core Speed 800 MHz 825 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 63 watts (Unknown) watts
Bandwidth 64000 MB/sec 64000 MB/sec
Texel Rate 19200 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 6400 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 480 384
Texture Mapping Units 24 24
Render Output Units 8 8
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 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6670 (OEM) 1GB

Amazon.com

Check prices at:

Radeon R7 M260X

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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