GeForce GTX 880M vs Radeon R9 290

Intro

Compare those specifications to the Radeon R9 290, which has a clock speed of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 512-bit memory bus, and makes use of a 28 nm design. It is comprised of 2560 SPUs, 160 TAUs, and 64 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 290		9876 points
GeForce GTX 880M		6360 points
	Difference: 3516 (55%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
Radeon R9 290		300 Watts
	Difference: 170 Watts (131%)

Memory Bandwidth

The Radeon R9 290, in theory, should perform a lot faster than the GeForce GTX 880M overall. (explain)

Radeon R9 290		320000 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 192000 (150%)

Texel Rate

The Radeon R9 290 will be just a bit (about 5%) more effective at AF than the GeForce GTX 880M. (explain)

Radeon R9 290		128000 Mtexels/sec
GeForce GTX 880M		122112 Mtexels/sec
	Difference: 5888 (5%)

Pixel Rate

The Radeon R9 290 is quite a bit (approximately 68%) more effective at AA than the GeForce GTX 880M, and will be capable of handling higher screen resolutions better. (explain)

Radeon R9 290		51200 Mpixels/sec
GeForce GTX 880M		30528 Mpixels/sec
	Difference: 20672 (68%)

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 information (measured in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.