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

Intro

The Radeon HD 6670 (OEM) 1GB features clock speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 480 SPUs as well as 24 TAUs and 8 ROPs.

Compare all that to the Radeon R7 M260X, which has a core clock speed of 825 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 384 SPUs, 24 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Radeon R7 M260X is a bit (more or less 3%) faster with regards to 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

The Radeon R7 M260X will be a bit (more or less 3%) faster with regards to FSAA than the Radeon HD 6670 (OEM) 1GB, and will be capable of handling higher screen resolutions better. (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: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines 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 fill rate also depends 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 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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