Radeon HD 7750 vs Radeon R9 380X

Intro

Compare all that to the Radeon R9 380X, which has GPU core speed of 970 MHz, and 4096 MB of GDDR5 memory set to run at 1425 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

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 380X		9519 points
Radeon HD 7750		2240 points
	Difference: 7279 (325%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

The Radeon R9 380X, in theory, should perform quite a bit faster than the Radeon HD 7750 overall. (explain)

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

Texel Rate

The Radeon R9 380X is quite a bit (about 385%) better at AF than the Radeon HD 7750. (explain)

Radeon R9 380X		124160 Mtexels/sec
Radeon HD 7750		25600 Mtexels/sec
	Difference: 98560 (385%)

Pixel Rate

The Radeon R9 380X will be much (more or less 143%) more effective at FSAA than the Radeon HD 7750, and also will be able to handle higher screen resolutions better. (explain)

Radeon R9 380X		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: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling 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 the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.