GeForce GTX 650 vs Radeon R9 380X

Intro

Compare that to the Radeon R9 380X, which has a clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

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
GeForce GTX 650		2263 points
	Difference: 7256 (321%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
Radeon R9 380X		190 Watts
	Difference: 126 Watts (197%)

Memory Bandwidth

The Radeon R9 380X, in theory, should perform much faster than the GeForce GTX 650 overall. (explain)

Radeon R9 380X		182400 MB/sec
GeForce GTX 650		80000 MB/sec
	Difference: 102400 (128%)

Texel Rate

The Radeon R9 380X should be a lot (approximately 267%) more effective at texture filtering than the GeForce GTX 650. (explain)

Radeon R9 380X		124160 Mtexels/sec
GeForce GTX 650		33856 Mtexels/sec
	Difference: 90304 (267%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 380X is superior to the GeForce GTX 650, by a large margin. (explain)

Radeon R9 380X		31040 Mpixels/sec
GeForce GTX 650		16928 Mpixels/sec
	Difference: 14112 (83%)

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 transferred past the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its 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 card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.