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GeForce GTX 950M vs Radeon HD 3690/3830

Intro

The GeForce GTX 950M comes with core speeds of 914 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Compare those specifications to the Radeon HD 3690/3830, which makes use of a 55 nm design. AMD has clocked the core speed at 668 MHz. The GDDR3 memory is set to run at a speed of 828 MHz on this particular card. It features 320(64x5) SPUs as well as 16 TAUs 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

In theory, the GeForce GTX 950M will be 21% faster than the Radeon HD 3690/3830 in general, because of its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 950M will be a lot (more or less 242%) faster with regards to anisotropic 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 running with high levels of AA is important to you, then the GeForce GTX 950M is superior to the Radeon HD 3690/3830, by far. (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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at handling 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 card could possibly write to the local memory in one 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 speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach 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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