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GeForce GTX 880M vs Radeon HD 6670 (OEM) 1GB

Intro

The GeForce GTX 880M makes use of a 28 nm design. nVidia has set the core speed at 954 MHz. The GDDR5 memory works at a speed of 1000 MHz on this specific model. It features 1536 SPUs along with 128 TAUs and 32 ROPs.

Compare those specs to the Radeon HD 6670 (OEM) 1GB, which features core speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 480 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 1GB 63 Watts
GeForce GTX 880M 130 Watts
Difference: 67 Watts (106%)

Memory Bandwidth

Theoretically, the GeForce GTX 880M should be a lot faster than the Radeon HD 6670 (OEM) 1GB in general. (explain)

GeForce GTX 880M 128000 MB/sec
Radeon HD 6670 (OEM) 1GB 64000 MB/sec
Difference: 64000 (100%)

Texel Rate

The GeForce GTX 880M will be a lot (about 536%) more effective at texture filtering than the Radeon HD 6670 (OEM) 1GB. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon HD 6670 (OEM) 1GB 19200 Mtexels/sec
Difference: 102912 (536%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 880M is the winner, by a large margin. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon HD 6670 (OEM) 1GB 6400 Mpixels/sec
Difference: 24128 (377%)

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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GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 6670 (OEM) 1GB

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 GeForce GTX 880M Radeon HD 6670 (OEM) 1GB
Manufacturer nVidia AMD
Year March 12 2014 February 2011
Code Name GK104 Turks
Memory 4096 MB 1024 MB
Core Speed 954 MHz 800 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 130 watts 63 watts
Bandwidth 128000 MB/sec 64000 MB/sec
Texel Rate 122112 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 1536 480
Texture Mapping Units 128 24
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 715 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 6670 (OEM) 1GB

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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