GeForce 940M vs Radeon HD 4550 512MB

Intro

Compare all that to the Radeon HD 4550 512MB, which makes use of a 55 nm design. AMD has set the core frequency at 600 MHz. The GDDR3 RAM works at a speed of 800 MHz on this particular model. It features 80(16x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce 940M should perform much faster than the Radeon HD 4550 512MB in general. (explain)

GeForce 940M		16000 MB/sec
Radeon HD 4550 512MB		12800 MB/sec
	Difference: 3200 (25%)

Texel Rate

The GeForce 940M will be quite a bit (about 436%) better at texture filtering than the Radeon HD 4550 512MB. (explain)

GeForce 940M		25728 Mtexels/sec
Radeon HD 4550 512MB		4800 Mtexels/sec
	Difference: 20928 (436%)

Pixel Rate

The GeForce 940M should be quite a bit (approximately 257%) more effective at FSAA than the Radeon HD 4550 512MB, and also should be able to handle higher resolutions better. (explain)

GeForce 940M		8576 Mpixels/sec
Radeon HD 4550 512MB		2400 Mpixels/sec
	Difference: 6176 (257%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. 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 applied 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 a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.