GeForce 9800 GT 1GB vs Radeon HD 6450 (OEM) 1GB

Intro

Compare all that to the Radeon HD 6450 (OEM) 1GB, which comes with a core clock speed of 750 MHz and a GDDR5 memory speed of 900 MHz. It also features a 64-bit bus, and makes use of a 40 nm design. It is made up of 160 SPUs, 8 TAUs, and 4 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB		31 Watts
GeForce 9800 GT 1GB		105 Watts
	Difference: 74 Watts (239%)

Memory Bandwidth

Theoretically speaking, the GeForce 9800 GT 1GB should perform a lot faster than the Radeon HD 6450 (OEM) 1GB in general. (explain)

GeForce 9800 GT 1GB		57600 MB/sec
Radeon HD 6450 (OEM) 1GB		28800 MB/sec
	Difference: 28800 (100%)

Texel Rate

The GeForce 9800 GT 1GB is quite a bit (about 460%) faster with regards to texture filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce 9800 GT 1GB		33600 Mtexels/sec
Radeon HD 6450 (OEM) 1GB		6000 Mtexels/sec
	Difference: 27600 (460%)

Pixel Rate

The GeForce 9800 GT 1GB is much (more or less 220%) better at anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and should be able to handle higher screen resolutions while still performing well. (explain)

GeForce 9800 GT 1GB		9600 Mpixels/sec
Radeon HD 6450 (OEM) 1GB		3000 Mpixels/sec
	Difference: 6600 (220%)

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 largest amount of data (measured in megabytes per second) that can be moved over the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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