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GeForce GTX 950M vs Radeon HD 3470 256MB

Intro

The GeForce GTX 950M makes use of a 28 nm design. nVidia has clocked the core speed at 914 MHz. The DDR3 memory works at a frequency of 1000 MHz on this particular card. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon HD 3470 256MB, which comes with GPU clock speed of 800 MHz, and 256 MB of DDR2 RAM running at 950 MHz through a 128-bit bus. It also is comprised of 40(8x5) SPUs, 4 Texture Address Units, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 950M should theoretically be a bit better than the Radeon HD 3470 256MB overall. (explain)

GeForce GTX 950M 32000 MB/sec
Radeon HD 3470 256MB 30400 MB/sec
Difference: 1600 (5%)

Texel Rate

The GeForce GTX 950M will be much (more or less 1043%) better at texture filtering than the Radeon HD 3470 256MB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 3470 256MB 3200 Mtexels/sec
Difference: 33360 (1043%)

Pixel Rate

The GeForce GTX 950M should be a lot (more or less 357%) more effective at anti-aliasing than the Radeon HD 3470 256MB, and should be able to handle higher screen resolutions better. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 3470 256MB 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 256MB

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 256MB
Manufacturer nVidia AMD
Year March 12 2015 2008
Code Name GM107 RV620 PRO
Memory 2048 MB 256 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 DDR2
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 max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units by the core 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 that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 3470 256MB

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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