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GeForce 930M vs Radeon HD 5770

Intro

The GeForce 930M has a GPU 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 is made up of 384 Stream Processors, 24 TAUs, and 8 ROPs.

Compare all that to the Radeon HD 5770, which comes with a clock frequency of 850 MHz and a GDDR5 memory frequency of 1200 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 5770, in theory, should perform much faster than the GeForce 930M overall. (explain)

Radeon HD 5770 76800 MB/sec
GeForce 930M 14400 MB/sec
Difference: 62400 (433%)

Texel Rate

The Radeon HD 5770 will be quite a bit (more or less 53%) more effective at texture filtering than the GeForce 930M. (explain)

Radeon HD 5770 34000 Mtexels/sec
GeForce 930M 22272 Mtexels/sec
Difference: 11728 (53%)

Pixel Rate

The Radeon HD 5770 will be much (more or less 83%) better at AA than the GeForce 930M, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon HD 5770 13600 Mpixels/sec
GeForce 930M 7424 Mpixels/sec
Difference: 6176 (83%)

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 5770

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 5770
Manufacturer nVidia AMD
Year March 12 2015 October 13, 2009
Code Name GM108 Juniper XT
Memory 2048 MB 1024 MB
Core Speed 928 MHz 850 MHz
Memory Speed 1800 MHz 4800 MHz
Power (Max TDP) (Unknown) watts 108 watts
Bandwidth 14400 MB/sec 76800 MB/sec
Texel Rate 22272 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 7424 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 384 800(160x5)
Texture Mapping Units 24 40
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it must 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core 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 is also dependant on quite a few other factors, most notably the memory bandwidth of the card - 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 5770

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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