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GeForce 930M vs Radeon HD 7950

Intro

The GeForce 930M comes with a GPU core clock speed of 928 MHz, and the 2048 MB of DDR3 memory is set to run at 900 MHz through a 64-bit bus. It also features 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare those specs to the Radeon HD 7950, which comes with a core clock frequency of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 384-bit memory bus, and uses a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 7950 7731 points
GeForce 930M 1490 points
Difference: 6241 (419%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 7950 will be 1567% quicker than the GeForce 930M in general, because of its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 7950 will be quite a bit (approximately 302%) better at AF than the GeForce 930M. (explain)

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

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 7950 is a better choice, and very much so. (explain)

Radeon HD 7950 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

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Radeon HD 7950

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
Manufacturer nVidia AMD
Year March 12 2015 January 2012
Code Name GM108 Tahiti Pro
Memory 2048 MB 1536 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 max amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 930M

Amazon.com

Check prices at:

Radeon HD 7950

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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