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GeForce GTX 950M vs Radeon HD 6770

Intro

The GeForce GTX 950M comes with a clock speed of 914 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Compare all that to the Radeon HD 6770, which features a clock speed of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It is made up of 800 SPUs, 40 TAUs, and 16 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 950M 3330 points
Radeon HD 6770 1520 points
Difference: 1810 (119%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically, the Radeon HD 6770 should be much faster than the GeForce GTX 950M overall. (explain)

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

Texel Rate

The GeForce GTX 950M should be just a bit (more or less 2%) faster with regards to texture filtering than the Radeon HD 6770. (explain)

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

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 950M is superior to the Radeon HD 6770, but it probably won't make a huge difference. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 6770 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

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Radeon HD 6770

Amazon.com

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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
Manufacturer nVidia AMD
Year March 12 2015 January 2011
Code Name GM107 Juniper XT
Memory 2048 MB 512 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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the 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 processed per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one 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. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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 potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 6770

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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