GeForce GT 220 GDDR3 vs Radeon R9 M380

Intro

Compare those specs to the Radeon R9 M380, which makes use of a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this specific card. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon R9 M380 should perform much faster than the GeForce GT 220 GDDR3 in general. (explain)

Radeon R9 M380		96000 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 63616 (196%)

Texel Rate

The Radeon R9 M380 should be a lot (about 300%) better at anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

Radeon R9 M380		40000 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 30000 (300%)

Pixel Rate

The Radeon R9 M380 will be a lot (more or less 220%) better at FSAA than the GeForce GT 220 GDDR3, and able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 M380		16000 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 11000 (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 (counted in megabytes per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.