GeForce GT 340 1GB vs Radeon HD 4550 256MB

Intro

Compare those specifications to the Radeon HD 4550 256MB, which makes use of a 55 nm design. AMD has clocked the core speed at 600 MHz. The DDR3 RAM runs at a speed of 800 MHz on this specific model. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB		25 Watts
GeForce GT 340 1GB		69 Watts
	Difference: 44 Watts (176%)

Memory Bandwidth

The GeForce GT 340 1GB should in theory perform a lot faster than the Radeon HD 4550 256MB in general. (explain)

GeForce GT 340 1GB		54400 MB/sec
Radeon HD 4550 256MB		12800 MB/sec
	Difference: 41600 (325%)

Texel Rate

The GeForce GT 340 1GB should be much (approximately 267%) better at anisotropic filtering than the Radeon HD 4550 256MB. (explain)

GeForce GT 340 1GB		17600 Mtexels/sec
Radeon HD 4550 256MB		4800 Mtexels/sec
	Difference: 12800 (267%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GT 340 1GB is a better choice, by far. (explain)

GeForce GT 340 1GB		4400 Mpixels/sec
Radeon HD 4550 256MB		2400 Mpixels/sec
	Difference: 2000 (83%)

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: Bandwidth is the max amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called 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 - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.