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GeForce GTX 970 vs Radeon R9 270

Intro

The GeForce GTX 970 comes with a GPU clock speed of 1050 MHz, and the 4096 MB of GDDR5 RAM runs at 1750 MHz through a 256-bit bus. It also features 1664 Stream Processors, 104 TAUs, and 64 ROPs.

Compare those specs to the Radeon R9 270, which uses a 28 nm design. AMD has clocked the core frequency at 900 MHz. The GDDR5 memory is set to run at a frequency of 1400 MHz on this model. It features 1280 SPUs along with 80 TAUs and 32 ROPs.

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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 970 10867 points
Radeon R9 270 5943 points
Difference: 4924 (83%)

Ethereum Mining Hash Rate

GeForce GTX 970 19 Mh/s
Radeon R9 270 15 Mh/s
Difference: 4 (27%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Radeon R9 270 150 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

The GeForce GTX 970 should theoretically perform quite a bit faster than the Radeon R9 270 in general. (explain)

GeForce GTX 970 224000 MB/sec
Radeon R9 270 179200 MB/sec
Difference: 44800 (25%)

Texel Rate

The GeForce GTX 970 will be much (approximately 52%) faster with regards to texture filtering than the Radeon R9 270. (explain)

GeForce GTX 970 109200 Mtexels/sec
Radeon R9 270 72000 Mtexels/sec
Difference: 37200 (52%)

Pixel Rate

The GeForce GTX 970 should be quite a bit (approximately 133%) more effective at AA than the Radeon R9 270, and also will be capable of handling higher screen resolutions better. (explain)

GeForce GTX 970 67200 Mpixels/sec
Radeon R9 270 28800 Mpixels/sec
Difference: 38400 (133%)

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

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GeForce GTX 970

Amazon.com

Check prices at:

Radeon R9 270

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 970 Radeon R9 270
Manufacturer nVidia AMD
Year September 2014 November 2013
Code Name GM204-200 Curacao Pro
Memory 4096 MB 2048 MB
Core Speed 1050 MHz 900 MHz
Memory Speed 7000 MHz 5600 MHz
Power (Max TDP) 145 watts 150 watts
Bandwidth 224000 MB/sec 179200 MB/sec
Texel Rate 109200 Mtexels/sec 72000 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 1664 1280
Texture Mapping Units 104 80
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 2800 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video 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 maximum amount of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 970

Amazon.com

Check prices at:

Radeon R9 270

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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