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GeForce GTX 950M vs Radeon HD 6850

Intro

The GeForce GTX 950M comes with a core clock frequency of 914 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 6850, which comes with a core clock speed of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 256-bit memory bus, and uses a 40 nm design. It features 960 SPUs, 48 Texture Address Units, and 32 ROPs.

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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 6850 2395 points
Difference: 935 (39%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 6850 127 Watts
Difference: 72 Watts (131%)

Memory Bandwidth

In theory, the Radeon HD 6850 should be 300% quicker than the GeForce GTX 950M in general, because of its higher bandwidth. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 96000 (300%)

Texel Rate

The Radeon HD 6850 is a little bit (more or less 2%) better at texture filtering than the GeForce GTX 950M. (explain)

Radeon HD 6850 37200 Mtexels/sec
GeForce GTX 950M 36560 Mtexels/sec
Difference: 640 (2%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 6850 is a better choice, by far. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 950M 14624 Mpixels/sec
Difference: 10176 (70%)

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 6850

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 6850
Manufacturer nVidia AMD
Year March 12 2015 October 2010
Code Name GM107 Barts Pro
Memory 2048 MB 1024 MB
Core Speed 914 MHz 775 MHz
Memory Speed 2000 MHz 4000 MHz
Power (Max TDP) 55 watts 127 watts
Bandwidth 32000 MB/sec 128000 MB/sec
Texel Rate 36560 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 640 960
Texture Mapping Units 40 48
Render Output Units 16 32
Bus Type DDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1700 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 largest amount of data (measured in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, 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 that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 6850

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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