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GeForce GTX 950M vs Radeon HD 3690/3830

Intro

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

Compare those specifications to the Radeon HD 3690/3830, which features a clock speed of 668 MHz and a GDDR3 memory frequency of 828 MHz. It also uses a 128-bit memory bus, and uses a 55 nm design. It is comprised 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 3690/3830 75 Watts
Difference: 20 Watts (36%)

Memory Bandwidth

Theoretically, the GeForce GTX 950M should be much faster than the Radeon HD 3690/3830 overall. (explain)

GeForce GTX 950M 32000 MB/sec
Radeon HD 3690/3830 26496 MB/sec
Difference: 5504 (21%)

Texel Rate

The GeForce GTX 950M is quite a bit (more or less 242%) faster with regards to texture filtering than the Radeon HD 3690/3830. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 25872 (242%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 950M is the winner, and very much so. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 3690/3830 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 3690/3830

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 3690/3830
Manufacturer nVidia AMD
Year March 12 2015 2008
Code Name GM107 RV670 PRO
Memory 2048 MB 256 MB
Core Speed 914 MHz 668 MHz
Memory Speed 2000 MHz 1656 MHz
Power (Max TDP) 55 watts 75 watts
Bandwidth 32000 MB/sec 26496 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 128-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the 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 3690/3830

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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