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GeForce 930M vs Radeon HD 7950

Intro

The GeForce 930M comes with a GPU clock speed of 928 MHz, and the 2048 MB of DDR3 RAM is set to run at 900 MHz through a 64-bit bus. It also is made up of 384 SPUs, 24 TAUs, and 8 ROPs.

Compare those specifications to the Radeon HD 7950, which features GPU core speed of 800 MHz, and 1536 MB of GDDR5 RAM set to run at 1250 MHz through a 384-bit bus. It also is made up of 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

As far as performance goes, the Radeon HD 7950 should in theory be quite a bit superior to the GeForce 930M in general. (explain)

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

Texel Rate

The Radeon HD 7950 will be much (about 302%) faster with regards to texture filtering than the GeForce 930M. (explain)

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

Pixel Rate

The Radeon HD 7950 is a lot (approximately 245%) faster with regards to FSAA than the GeForce 930M, and also should be capable of handling higher screen resolutions without slowing down too much. (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

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.

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: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 amount of texture map elements (texels) that are processed per second. This is worked out 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of 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

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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