Radeon HD 7750 vs Radeon R9 380 2G

Intro

Compare all that to the Radeon R9 380 2G, which uses a 28 nm design. AMD has clocked the core speed at 970 MHz. The GDDR5 RAM works at a speed of 1425 MHz on this card. It features 1792 SPUs along with 112 TAUs 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 HD 7750		2240 points
	Difference: 6610 (295%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750		55 Watts
Radeon R9 380 2G		190 Watts
	Difference: 135 Watts (245%)

Memory Bandwidth

The Radeon R9 380 2G should in theory perform a lot faster than the Radeon HD 7750 overall. (explain)

Radeon R9 380 2G		182400 MB/sec
Radeon HD 7750		72000 MB/sec
	Difference: 110400 (153%)

Texel Rate

The Radeon R9 380 2G will be much (more or less 324%) more effective at AF than the Radeon HD 7750. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
Radeon HD 7750		25600 Mtexels/sec
	Difference: 83040 (324%)

Pixel Rate

The Radeon R9 380 2G will be a lot (about 143%) more effective at AA than the Radeon HD 7750, and able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
Radeon HD 7750		12800 Mpixels/sec
	Difference: 18240 (143%)

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 (counted in MB per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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