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GeForce 930M vs Radeon HD 7950 3GB

Intro

The GeForce 930M has core speeds of 928 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

Compare those specs to the Radeon HD 7950 3GB, which comes with core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 memory. It features 1792 SPUs along with 112 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 7950 3GB should be much faster than the GeForce 930M in general. (explain)

Radeon HD 7950 3GB 240000 MB/sec
GeForce 930M 14400 MB/sec
Difference: 225600 (1567%)

Texel Rate

The Radeon HD 7950 3GB is a lot (about 302%) faster with regards to texture filtering than the GeForce 930M. (explain)

Radeon HD 7950 3GB 89600 Mtexels/sec
GeForce 930M 22272 Mtexels/sec
Difference: 67328 (302%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 7950 3GB is the winner, and very much so. (explain)

Radeon HD 7950 3GB 25600 Mpixels/sec
GeForce 930M 7424 Mpixels/sec
Difference: 18176 (245%)

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 930M

Amazon.com

Check prices at:

Radeon HD 7950 3GB

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 930M Radeon HD 7950 3GB
Manufacturer nVidia AMD
Year March 12 2015 January 2012
Code Name GM108 Tahiti Pro
Memory 2048 MB 3072 MB
Core Speed 928 MHz 800 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) (Unknown) watts 200 watts
Bandwidth 14400 MB/sec 240000 MB/sec
Texel Rate 22272 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 7424 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 384 1792
Texture Mapping Units 24 112
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 64-bit 384-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs 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 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 maximum fill rate.

Display Prices

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GeForce 930M

Amazon.com

Check prices at:

Radeon HD 7950 3GB

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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