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GeForce 825M vs Radeon HD 4550 256MB

Intro

The GeForce 825M features a core clock frequency of 850 MHz and a DDR3 memory speed of 900 MHz. It also uses a 64-bit bus, and makes use of a 28 nm design. It features 384 SPUs, 16 TAUs, and 8 ROPs.

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

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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

Performance-wise, the GeForce 825M should theoretically be a small bit better than the Radeon HD 4550 256MB in general. (explain)

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

Texel Rate

The GeForce 825M will 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

If using a high screen resolution is important to you, then the GeForce 825M is superior to the Radeon HD 4550 256MB, by a large margin. (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: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 can be processed per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better 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 amount of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock 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 many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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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.

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