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GeForce 920M vs Radeon HD 4550 256MB

Intro

The GeForce 920M has core speeds of 954 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs along with 32 TAUs and 8 Rasterization Operator Units.

Compare all that to the Radeon HD 4550 256MB, which comes with GPU clock speed of 600 MHz, and 256 MB of DDR3 RAM running at 800 MHz through a 64-bit bus. It also features 80(16x5) Stream Processors, 8 Texture Address Units, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 920M should in theory be a bit faster than the Radeon HD 4550 256MB overall. (explain)

GeForce 920M 14400 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 920M will be a lot (approximately 536%) more effective at texture filtering than the Radeon HD 4550 256MB. (explain)

GeForce 920M 30528 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 25728 (536%)

Pixel Rate

The GeForce 920M will be a lot (about 218%) better at FSAA than the Radeon HD 4550 256MB, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce 920M 7632 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 5232 (218%)

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 920M

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 920M Radeon HD 4550 256MB
Manufacturer nVidia AMD
Year March 12 2015 Sep 30, 2008
Code Name GK208 RV710
Memory 2048 MB 256 MB
Core Speed 954 MHz 600 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) (Unknown) watts 25 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 30528 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 384 80(16x5)
Texture Mapping Units 32 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 max amount of data (measured in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 920M

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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