Radeon R7 250X vs Radeon R9 380 2G

Intro

Compare all of that to the Radeon R9 380 2G, which has clock speeds of 970 MHz on the GPU, and 1425 MHz on the 2048 MB of GDDR5 memory. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 380 2G		8850 points
Radeon R7 250X		2860 points
	Difference: 5990 (209%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X		95 Watts
Radeon R9 380 2G		190 Watts
	Difference: 95 Watts (100%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 2G should perform a lot faster than the Radeon R7 250X overall. (explain)

Radeon R9 380 2G		182400 MB/sec
Radeon R7 250X		72000 MB/sec
	Difference: 110400 (153%)

Texel Rate

The Radeon R9 380 2G is quite a bit (about 172%) better at anisotropic filtering than the Radeon R7 250X. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
Radeon R7 250X		40000 Mtexels/sec
	Difference: 68640 (172%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 380 2G is the winner, and very much so. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
Radeon R7 250X		16000 Mpixels/sec
	Difference: 15040 (94%)

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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video 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 amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.