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GeForce 825M vs Radeon HD 4550 512MB

Intro

The GeForce 825M comes with a clock frequency of 850 MHz and a DDR3 memory speed of 900 MHz. It also uses a 64-bit memory bus, and uses a 28 nm design. It is made up of 384 SPUs, 16 TAUs, and 8 ROPs.

Compare all of that to the Radeon HD 4550 512MB, which uses a 55 nm design. AMD has set the core frequency at 600 MHz. The GDDR3 RAM is set to run at a frequency of 800 MHz on this model. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 512MB 25 Watts
GeForce 825M 33 Watts
Difference: 8 Watts (32%)

Memory Bandwidth

The GeForce 825M, in theory, should be a little bit faster than the Radeon HD 4550 512MB in general. (explain)

GeForce 825M 14400 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 825M should be much (approximately 183%) more effective at anisotropic filtering than the Radeon HD 4550 512MB. (explain)

GeForce 825M 13600 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 8800 (183%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 825M is the winner, and very much so. (explain)

GeForce 825M 6800 Mpixels/sec
Radeon HD 4550 512MB 2400 Mpixels/sec
Difference: 4400 (183%)

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

Display Prices

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GeForce 825M

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 825M Radeon HD 4550 512MB
Manufacturer nVidia AMD
Year January 27 2014 Sep 30, 2008
Code Name GK208 RV710
Memory 2048 MB 512 MB
Core Speed 850 MHz 600 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 33 watts 25 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 13600 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 6800 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 384 80(16x5)
Texture Mapping Units 16 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 x8 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one 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 sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 get to the max fill rate.

Display Prices

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GeForce 825M

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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