GeForce GT 240 GDDR5 1GB vs Radeon HD 3650 256MB

Intro

Compare those specs to the Radeon HD 3650 256MB, which features GPU clock speed of 725 MHz, and 256 MB of DDR2 RAM set to run at 800 MHz through a 128-bit bus. It also is comprised of 120(24x5) Stream Processors, 8 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB		70 Watts
Radeon HD 3650 256MB		78 Watts
	Difference: 8 Watts (11%)

Memory Bandwidth

The GeForce GT 240 GDDR5 1GB should theoretically perform quite a bit faster than the Radeon HD 3650 256MB overall. (explain)

GeForce GT 240 GDDR5 1GB		54400 MB/sec
Radeon HD 3650 256MB		25600 MB/sec
	Difference: 28800 (113%)

Texel Rate

The GeForce GT 240 GDDR5 1GB will be much (approximately 203%) faster with regards to texture filtering than the Radeon HD 3650 256MB. (explain)

GeForce GT 240 GDDR5 1GB		17600 Mtexels/sec
Radeon HD 3650 256MB		5800 Mtexels/sec
	Difference: 11800 (203%)

Pixel Rate

The GeForce GT 240 GDDR5 1GB is quite a bit (approximately 52%) more effective at FSAA than the Radeon HD 3650 256MB, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GT 240 GDDR5 1GB		4400 Mpixels/sec
Radeon HD 3650 256MB		2900 Mpixels/sec
	Difference: 1500 (52%)

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 (in units of megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 applied per second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher 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 number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.