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GeForce 830M vs Radeon HD 4550 512MB

Intro

The GeForce 830M features a clock speed of 1029 MHz and a DDR3 memory speed of 900 MHz. It also features a 64-bit bus, and uses a 28 nm design. It is comprised of 256 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the Radeon HD 4550 512MB, which features a clock speed of 600 MHz and a GDDR3 memory speed of 800 MHz. It also uses a 64-bit memory bus, and makes use of a 55 nm design. It is made up of 80(16x5) SPUs, 8 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the GeForce 830M should perform a bit faster than the Radeon HD 4550 512MB overall. (explain)

GeForce 830M 14400 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 830M will be quite a bit (more or less 243%) faster with regards to texture filtering than the Radeon HD 4550 512MB. (explain)

GeForce 830M 16464 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 11664 (243%)

Pixel Rate

The GeForce 830M is a lot (approximately 243%) faster with regards to anti-aliasing than the Radeon HD 4550 512MB, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce 830M 8232 Mpixels/sec
Radeon HD 4550 512MB 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

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GeForce 830M

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 830M Radeon HD 4550 512MB
Manufacturer nVidia AMD
Year March 12 2014 Sep 30, 2008
Code Name GM108 RV710
Memory 2048 MB 512 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 GDDR3
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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, 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 is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to 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 reach the max fill rate.

Display Prices

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GeForce 830M

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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