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GeForce 920M vs Radeon HD 4550 512MB

Intro

The GeForce 920M comes with clock speeds of 954 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 32 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the Radeon HD 4550 512MB, which has GPU core speed of 600 MHz, and 512 MB of GDDR3 RAM set to run at 800 MHz through a 64-bit bus. It also features 80(16x5) SPUs, 8 Texture Address Units, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce 920M should perform a small bit faster than the Radeon HD 4550 512MB overall. (explain)

GeForce 920M 14400 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 920M is a lot (about 536%) more effective at anisotropic filtering than the Radeon HD 4550 512MB. (explain)

GeForce 920M 30528 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 25728 (536%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 920M is the winner, and very much so. (explain)

GeForce 920M 7632 Mpixels/sec
Radeon HD 4550 512MB 2400 Mpixels/sec
Difference: 5232 (218%)

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 920M

Amazon.com

Check prices at:

Radeon HD 4550 512MB

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 920M Radeon HD 4550 512MB
Manufacturer nVidia AMD
Year March 12 2015 Sep 30, 2008
Code Name GK208 RV710
Memory 2048 MB 512 MB
Core Speed 954 MHz 600 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) (Unknown) watts 25 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 30528 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 384 80(16x5)
Texture Mapping Units 32 8
Render Output Units 8 4
Bus Type DDR3 GDDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 242 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's 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 amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 920M

Amazon.com

Check prices at:

Radeon HD 4550 512MB

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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