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GeForce 825M vs Radeon HD 4550 512MB

Intro

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

Compare all that to the Radeon HD 4550 512MB, which makes use of a 55 nm design. AMD has set the core speed at 600 MHz. The GDDR3 memory runs at a speed of 800 MHz on this card. It features 80(16x5) SPUs as well as 8 TAUs and 4 ROPs.

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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

Performance-wise, the GeForce 825M should theoretically be a little bit superior to the Radeon HD 4550 512MB overall. (explain)

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

Texel Rate

The GeForce 825M is quite a bit (about 183%) faster with regards to AF than the Radeon HD 4550 512MB. (explain)

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

Pixel Rate

The GeForce 825M should be a lot (approximately 183%) more effective at anti-aliasing than the Radeon HD 4550 512MB, and also will be able to handle higher screen resolutions while still performing well. (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

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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 information (counted in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 applied in one second. This is worked out by multiplying the total texture units by the core clock 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 maximum amount of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of 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 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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