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GeForce GTX 950M vs Radeon HD 3850 512MB

Intro

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

Compare that to the Radeon HD 3850 512MB, which uses a 55 nm design. AMD has clocked the core frequency at 668 MHz. The GDDR3 memory runs at a frequency of 828 MHz on this model. It features 320(64x5) SPUs along with 16 Texture Address Units and 16 Rasterization Operator Units.

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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

Performance-wise, the Radeon HD 3850 512MB should theoretically be quite a bit superior to the GeForce GTX 950M overall. (explain)

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

Texel Rate

The GeForce GTX 950M will be a lot (approximately 242%) more effective at anisotropic filtering 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 high levels of AA 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

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Radeon HD 3850 512MB

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 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: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR 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 is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video 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 most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs 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 also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach 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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