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GeForce GTX 950M vs Radeon HD 3470 512MB

Intro

The GeForce GTX 950M comes with a GPU core speed of 914 MHz, and the 2048 MB of DDR3 memory runs at 1000 MHz through a 128-bit bus. It also is comprised of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 3470 512MB, which comes with a GPU core clock speed of 800 MHz, and 512 MB of GDDR3 RAM set to run at 950 MHz through a 128-bit bus. It also features 40(8x5) SPUs, 4 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 950M is 5% faster than the Radeon HD 3470 512MB overall, because of its higher data rate. (explain)

GeForce GTX 950M 32000 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 1600 (5%)

Texel Rate

The GeForce GTX 950M should be much (about 1043%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 33360 (1043%)

Pixel Rate

The GeForce GTX 950M should be quite a bit (about 357%) faster with regards to anti-aliasing than the Radeon HD 3470 512MB, and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 11424 (357%)

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 3470 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 3470 512MB
Manufacturer nVidia AMD
Year March 12 2015 2008
Code Name GM107 RV620 PRO
Memory 2048 MB 512 MB
Core Speed 914 MHz 800 MHz
Memory Speed 2000 MHz 1900 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 32000 MB/sec 30400 MB/sec
Texel Rate 36560 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 640 40(8x5)
Texture Mapping Units 40 4
Render Output Units 16 4
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 maximum amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 3470 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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