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GeForce GTX 950M vs Radeon HD 3650

Intro

The GeForce GTX 950M makes use of a 28 nm design. nVidia has clocked the core speed at 914 MHz. The DDR3 RAM works at a speed 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 3650, which uses a 55 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR4 RAM works at a speed of 800 MHz on this particular model. It features 120(24x5) SPUs along with 8 Texture Address Units and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 3650 78 Watts
Difference: 23 Watts (42%)

Memory Bandwidth

Theoretically, the GeForce GTX 950M should perform much faster than the Radeon HD 3650 in general. (explain)

GeForce GTX 950M 32000 MB/sec
Radeon HD 3650 25600 MB/sec
Difference: 6400 (25%)

Texel Rate

The GeForce GTX 950M will be a lot (more or less 530%) faster with regards to anisotropic filtering than the Radeon HD 3650. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 3650 5800 Mtexels/sec
Difference: 30760 (530%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 950M is the winner, by far. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 3650 2900 Mpixels/sec
Difference: 11724 (404%)

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 3650

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 3650
Manufacturer nVidia AMD
Year March 12 2015 2008
Code Name GM107 RV635 PRO
Memory 2048 MB 1024 MB
Core Speed 914 MHz 725 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 55 watts 78 watts
Bandwidth 32000 MB/sec 25600 MB/sec
Texel Rate 36560 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 640 120(24x5)
Texture Mapping Units 40 8
Render Output Units 16 4
Bus Type DDR3 GDDR4
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/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 data (measured in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 3650

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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