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GeForce 930M vs Radeon HD 7790

Intro

The GeForce 930M comes with a core clock frequency of 928 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 64-bit memory bus, and uses a 28 nm design. It is made up of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare that to the Radeon HD 7790, which features a clock speed of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is comprised of 896 SPUs, 56 TAUs, and 16 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 7790 4330 points
GeForce 930M 1490 points
Difference: 2840 (191%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 7790 should be 567% quicker than the GeForce 930M in general, due to its greater data rate. (explain)

Radeon HD 7790 96000 MB/sec
GeForce 930M 14400 MB/sec
Difference: 81600 (567%)

Texel Rate

The Radeon HD 7790 is a lot (approximately 151%) better at texture filtering than the GeForce 930M. (explain)

Radeon HD 7790 56000 Mtexels/sec
GeForce 930M 22272 Mtexels/sec
Difference: 33728 (151%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 7790 is the winner, by a large margin. (explain)

Radeon HD 7790 16000 Mpixels/sec
GeForce 930M 7424 Mpixels/sec
Difference: 8576 (116%)

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 7790

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 7790
Manufacturer nVidia AMD
Year March 12 2015 March 2013
Code Name GM108 Bonaire XT
Memory 2048 MB 1024 MB
Core Speed 928 MHz 1000 MHz
Memory Speed 1800 MHz 6000 MHz
Power (Max TDP) (Unknown) watts 85 watts
Bandwidth 14400 MB/sec 96000 MB/sec
Texel Rate 22272 Mtexels/sec 56000 Mtexels/sec
Pixel Rate 7424 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 384 896
Texture Mapping Units 24 56
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 2080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka 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 - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 930M

Amazon.com

Check prices at:

Radeon HD 7790

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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