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GeForce GTX 950M vs Radeon HD 3850 512MB

Intro

The GeForce GTX 950M makes use of a 28 nm design. nVidia has clocked the core speed at 914 MHz. The DDR3 memory works at a frequency of 1000 MHz on this model. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Compare those specs to the Radeon HD 3850 512MB, which has a GPU core clock speed of 668 MHz, and 512 MB of GDDR3 RAM set to run at 828 MHz through a 256-bit bus. It also is made up of 320(64x5) SPUs, 16 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 3850 512MB 75 Watts
Difference: 20 Watts (36%)

Memory Bandwidth

As far as performance goes, the Radeon HD 3850 512MB should in theory be a lot better than the GeForce GTX 950M in general. (explain)

Radeon HD 3850 512MB 52992 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 20992 (66%)

Texel Rate

The GeForce GTX 950M should be much (approximately 242%) more effective at AF than the Radeon HD 3850 512MB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 3850 512MB 10688 Mtexels/sec
Difference: 25872 (242%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 950M is superior to the Radeon HD 3850 512MB, by a large margin. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 3850 512MB 10688 Mpixels/sec
Difference: 3936 (37%)

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 3850 512MB

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 3850 512MB
Manufacturer nVidia AMD
Year March 12 2015 Nov 19, 2007
Code Name GM107 RV670 PRO
Memory 2048 MB 512 MB
Core Speed 914 MHz 668 MHz
Memory Speed 2000 MHz 1656 MHz
Power (Max TDP) 55 watts 75 watts
Bandwidth 32000 MB/sec 52992 MB/sec
Texel Rate 36560 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 640 320(64x5)
Texture Mapping Units 40 16
Render Output Units 16 16
Bus Type DDR3 GDDR3
Bus Width 128-bit 256-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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 - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 3850 512MB

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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