GeForce GTX 860M vs Radeon R7 250

Intro

Compare all that to the Radeon R7 250, which makes use of a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 RAM works at a speed of 1150 MHz on this specific card. It features 384 SPUs along with 24 TAUs and 8 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

GeForce GTX 860M		4340 points
Radeon R7 250		1836 points
	Difference: 2504 (136%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
Radeon R7 250		65 Watts
	Difference: 20 Watts (44%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 250 should be 15% quicker than the GeForce GTX 860M in general, due to its greater data rate. (explain)

Radeon R7 250		73600 MB/sec
GeForce GTX 860M		64000 MB/sec
	Difference: 9600 (15%)

Texel Rate

The GeForce GTX 860M will be quite a bit (more or less 219%) better at anisotropic filtering than the Radeon R7 250. (explain)

GeForce GTX 860M		76512 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 52512 (219%)

Pixel Rate

The GeForce GTX 860M should be quite a bit (about 59%) more effective at FSAA than the Radeon R7 250, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 860M		12752 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 4752 (59%)

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 (measured in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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