GeForce 940M vs Radeon HD 3650 512MB

Intro

Compare all of that to the Radeon HD 3650 512MB, which has core speeds of 725 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 120(24x5) SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 3650 512MB should be 60% quicker than the GeForce 940M overall, because of its higher bandwidth. (explain)

Radeon HD 3650 512MB		25600 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 9600 (60%)

Texel Rate

The GeForce 940M will be a lot (more or less 344%) better at AF than the Radeon HD 3650 512MB. (explain)

GeForce 940M		25728 Mtexels/sec
Radeon HD 3650 512MB		5800 Mtexels/sec
	Difference: 19928 (344%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 940M is superior to the Radeon HD 3650 512MB, and very much so. (explain)

GeForce 940M		8576 Mpixels/sec
Radeon HD 3650 512MB		2900 Mpixels/sec
	Difference: 5676 (196%)

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 maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

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