GeForce GT 440 3GB vs Radeon R9 380 2G

Intro

Compare those specifications to the Radeon R9 380 2G, which makes use of a 28 nm design. AMD has set the core frequency at 970 MHz. The GDDR5 RAM works at a speed of 1425 MHz on this particular model. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB		56 Watts
Radeon R9 380 2G		190 Watts
	Difference: 134 Watts (239%)

Memory Bandwidth

The Radeon R9 380 2G, in theory, should perform much faster than the GeForce GT 440 3GB overall. (explain)

Radeon R9 380 2G		182400 MB/sec
GeForce GT 440 3GB		43200 MB/sec
	Difference: 139200 (322%)

Texel Rate

The Radeon R9 380 2G will be much (approximately 662%) more effective at anisotropic filtering than the GeForce GT 440 3GB. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
GeForce GT 440 3GB		14256 Mtexels/sec
	Difference: 94384 (662%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 380 2G is a better choice, by a large margin. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
GeForce GT 440 3GB		14256 Mpixels/sec
	Difference: 16784 (118%)

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 information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR 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 amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.