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GeForce 825M vs Radeon HD 4550 256MB

Intro

The GeForce 825M features a GPU core speed of 850 MHz, and the 2048 MB of DDR3 RAM is set to run at 900 MHz through a 64-bit bus. It also features 384 Stream Processors, 16 TAUs, and 8 ROPs.

Compare all that to the Radeon HD 4550 256MB, which features clock speeds of 600 MHz on the GPU, and 800 MHz on the 256 MB of DDR3 memory. It features 80(16x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
GeForce 825M 33 Watts
Difference: 8 Watts (32%)

Memory Bandwidth

Theoretically, the GeForce 825M should perform a little bit faster than the Radeon HD 4550 256MB overall. (explain)

GeForce 825M 14400 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 825M should be much (about 183%) faster with regards to AF than the Radeon HD 4550 256MB. (explain)

GeForce 825M 13600 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 8800 (183%)

Pixel Rate

The GeForce 825M is a lot (about 183%) faster with regards to AA than the Radeon HD 4550 256MB, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce 825M 6800 Mpixels/sec
Radeon HD 4550 256MB 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

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GeForce 825M

Amazon.com

Check prices at:

Radeon HD 4550 256MB

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 256MB
Manufacturer nVidia AMD
Year January 27 2014 Sep 30, 2008
Code Name GK208 RV710
Memory 2048 MB 256 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 DDR3
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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at 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 the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 825M

Amazon.com

Check prices at:

Radeon HD 4550 256MB

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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