GeForce GTX 1070 vs Radeon R9 270

Intro

Compare those specs to the Radeon R9 270, which features GPU clock speed of 900 MHz, and 2048 MB of GDDR5 memory running at 1400 MHz through a 256-bit bus. It also is comprised of 1280 Stream Processors, 80 TAUs, and 32 ROPs.

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 1070		18174 points
Radeon R9 270		5943 points
	Difference: 12231 (206%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Performance-wise, the GeForce GTX 1070 should theoretically be a lot better than the Radeon R9 270 overall. (explain)

GeForce GTX 1070		262144 MB/sec
Radeon R9 270		179200 MB/sec
	Difference: 82944 (46%)

Texel Rate

The GeForce GTX 1070 will be quite a bit (more or less 151%) more effective at texture filtering than the Radeon R9 270. (explain)

GeForce GTX 1070		180720 Mtexels/sec
Radeon R9 270		72000 Mtexels/sec
	Difference: 108720 (151%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 1070 is superior to the Radeon R9 270, by far. (explain)

GeForce GTX 1070		96384 Mpixels/sec
Radeon R9 270		28800 Mpixels/sec
	Difference: 67584 (235%)

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 max amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. 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 can be processed per second. This number is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the 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 most pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.