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GeForce 830M vs Radeon HD 4550 256MB

Intro

The GeForce 830M uses a 28 nm design. nVidia has clocked the core frequency at 1029 MHz. The DDR3 RAM runs at a frequency of 900 MHz on this card. It features 256 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare all of that to the Radeon HD 4550 256MB, which has GPU clock speed of 600 MHz, and 256 MB of DDR3 RAM set to run at 800 MHz through a 64-bit bus. It also is made up of 80(16x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the GeForce 830M should be a little bit faster than the Radeon HD 4550 256MB overall. (explain)

GeForce 830M 14400 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 830M is quite a bit (more or less 243%) better at anisotropic filtering than the Radeon HD 4550 256MB. (explain)

GeForce 830M 16464 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 11664 (243%)

Pixel Rate

The GeForce 830M is a lot (more or less 243%) more effective at AA than the Radeon HD 4550 256MB, and will be capable of handling higher resolutions without slowing down too much. (explain)

GeForce 830M 8232 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 5832 (243%)

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 830M

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 830M Radeon HD 4550 256MB
Manufacturer nVidia AMD
Year March 12 2014 Sep 30, 2008
Code Name GM108 RV710
Memory 2048 MB 256 MB
Core Speed 1029 MHz 600 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 25 watts 25 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 16464 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 256 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 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 maximum amount of information (in units of MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be 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 higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 830M

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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