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GeForce GTX 950M vs Radeon HD 4670 1GB

Intro

The GeForce GTX 950M uses a 28 nm design. nVidia has set the core speed at 914 MHz. The DDR3 RAM runs at a speed of 1000 MHz on this specific model. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 4670 1GB, which uses a 55 nm design. AMD has clocked the core speed at 750 MHz. The GDDR4/GDDR3/DDR3/DDR2 RAM works at a frequency of 1100 MHz on this particular card. It features 320(64x5) SPUs along with 32 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 4670 1GB 70 Watts
Difference: 15 Watts (27%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4670 1GB should be just a bit faster than the GeForce GTX 950M overall. (explain)

Radeon HD 4670 1GB 35200 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 3200 (10%)

Texel Rate

The GeForce GTX 950M should be much (about 52%) better at AF than the Radeon HD 4670 1GB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 4670 1GB 24000 Mtexels/sec
Difference: 12560 (52%)

Pixel Rate

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

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 4670 1GB 6000 Mpixels/sec
Difference: 8624 (144%)

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 4670 1GB

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 4670 1GB
Manufacturer nVidia AMD
Year March 12 2015 Sep 10, 2008
Code Name GM107 RV730 XT
Memory 2048 MB 1024 MB
Core Speed 914 MHz 750 MHz
Memory Speed 2000 MHz 2200 MHz
Power (Max TDP) 55 watts 70 watts
Bandwidth 32000 MB/sec 35200 MB/sec
Texel Rate 36560 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 640 320(64x5)
Texture Mapping Units 40 32
Render Output Units 16 8
Bus Type DDR3 GDDR4/GDDR3/DDR3/DDR2
Bus Width 128-bit 128-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 514 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 maximum amount of data (in units of MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, 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 most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 4670 1GB

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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