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GeForce GTX 950M vs Radeon HD 6770 1GB

Intro

The GeForce GTX 950M comes with a GPU clock speed of 914 MHz, and the 2048 MB of DDR3 memory runs at 1000 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon HD 6770 1GB, which comes with clock speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 RAM. It features 800 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 6770 1GB 108 Watts
Difference: 53 Watts (96%)

Memory Bandwidth

The Radeon HD 6770 1GB should theoretically be a lot faster than the GeForce GTX 950M in general. (explain)

Radeon HD 6770 1GB 67200 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 35200 (110%)

Texel Rate

The GeForce GTX 950M should be a little bit (about 2%) more effective at anisotropic filtering than the Radeon HD 6770 1GB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 6770 1GB 36000 Mtexels/sec
Difference: 560 (2%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 950M is superior to the Radeon HD 6770 1GB, but not by far. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 6770 1GB 14400 Mpixels/sec
Difference: 224 (2%)

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 950M

Amazon.com

Check prices at:

Radeon HD 6770 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 950M Radeon HD 6770 1GB
Manufacturer nVidia AMD
Year March 12 2015 January 2011
Code Name GM107 Juniper XT
Memory 2048 MB 1024 MB
Core Speed 914 MHz 900 MHz
Memory Speed 2000 MHz 4200 MHz
Power (Max TDP) 55 watts 108 watts
Bandwidth 32000 MB/sec 67200 MB/sec
Texel Rate 36560 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 640 800
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type DDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units by the core 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 number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends 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

GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 6770 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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