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Radeon R9 270X vs Radeon RX 470


Intro

The Radeon R9 270X makes use of a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 RAM works at a frequency of 1400 MHz on this specific model. It features 1280 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 470, which has core speeds of 926 MHz on the GPU, and 1650 MHz on the 8192 MB of GDDR5 memory. It features 2048 SPUs as well as 128 Texture Address Units 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

Radeon RX 470 11810 points
Radeon R9 270X 6560 points
Difference: 5250 (80%)

Zcash Mining Hash Rate

Radeon RX 470 289 Sol/s
Radeon R9 270X 177 Sol/s
Difference: 112 (63%)

Ethereum Mining Hash Rate

Radeon RX 470 26 Mh/s
Radeon R9 270X 18 Mh/s
Difference: 8 (44%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
Radeon R9 270X 180 Watts
Difference: 60 Watts (50%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 should perform a little bit faster than the Radeon R9 270X in general. (explain)

Radeon RX 470 211200 MB/sec
Radeon R9 270X 179200 MB/sec
Difference: 32000 (18%)

Texel Rate

The Radeon RX 470 will be much (approximately 48%) better at AF than the Radeon R9 270X. (explain)

Radeon RX 470 118528 Mtexels/sec
Radeon R9 270X 80000 Mtexels/sec
Difference: 38528 (48%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 270X is a better choice, but not by far. (explain)

Radeon R9 270X 32000 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 2368 (8%)

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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Radeon R9 270X

Amazon.com

Radeon RX 470

Amazon.com

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 Radeon R9 270X Radeon RX 470
Manufacturer AMD AMD
Year October 2013 August 2016
Code Name Curacao XT Polaris 10
Memory 2048 MB 8192 MB
Core Speed 1000 MHz 926 MHz
Memory Speed 5600 MHz 6600 MHz
Power (Max TDP) 180 watts 120 watts
Bandwidth 179200 MB/sec 211200 MB/sec
Texel Rate 80000 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 32000 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1280 2048
Texture Mapping Units 80 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 2800 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs 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 lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 270X

Amazon.com

Radeon RX 470

Amazon.com

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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