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GeForce GTX 950M vs Radeon HD 3470 256MB

Intro

The GeForce GTX 950M has a GPU core speed of 914 MHz, and the 2048 MB of DDR3 RAM is set to run at 1000 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon HD 3470 256MB, which uses a 55 nm design. AMD has clocked the core frequency at 800 MHz. The DDR2 memory is set to run at a speed of 950 MHz on this specific card. It features 40(8x5) SPUs as well as 4 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 950M should in theory be a little bit better than the Radeon HD 3470 256MB in general. (explain)

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

Texel Rate

The GeForce GTX 950M should be much (about 1043%) better at AF 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

If running with lots of anti-aliasing is important to you, then the GeForce GTX 950M is superior to the Radeon HD 3470 256MB, and very much so. (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

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.

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 maximum amount of information (in units of megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total amount of 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum 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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