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Radeon R9 270X vs Radeon RX 480 4GB

Intro

The Radeon R9 270X uses a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 memory works at a speed of 1400 MHz on this card. It features 1280 SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 480 4GB, which features core speeds of 1120 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2304 SPUs as well as 144 Texture Address Units 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.

Zcash Mining Hash Rate

Radeon RX 480 4GB 267 Sol/s
Radeon R9 270X 177 Sol/s
Difference: 90 (51%)

Ethereum Mining Hash Rate

Radeon RX 480 4GB 25 Mh/s
Radeon R9 270X 18 Mh/s
Difference: 7 (39%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB 150 Watts
Radeon R9 270X 180 Watts
Difference: 30 Watts (20%)

Memory Bandwidth

As far as performance goes, the Radeon RX 480 4GB should in theory be much better than the Radeon R9 270X overall. (explain)

Radeon RX 480 4GB 229376 MB/sec
Radeon R9 270X 179200 MB/sec
Difference: 50176 (28%)

Texel Rate

The Radeon RX 480 4GB should be much (approximately 102%) better at anisotropic filtering than the Radeon R9 270X. (explain)

Radeon RX 480 4GB 161280 Mtexels/sec
Radeon R9 270X 80000 Mtexels/sec
Difference: 81280 (102%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 480 4GB is a better choice, but not by far. (explain)

Radeon RX 480 4GB 35840 Mpixels/sec
Radeon R9 270X 32000 Mpixels/sec
Difference: 3840 (12%)

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

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Radeon RX 480 4GB

Amazon.com

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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 480 4GB
Manufacturer AMD AMD
Year October 2013 June 2016
Code Name Curacao XT Polaris 10
Memory 2048 MB 4096 MB
Core Speed 1000 MHz 1120 MHz
Memory Speed 5600 MHz 7000 MHz
Power (Max TDP) 180 watts 150 watts
Bandwidth 179200 MB/sec 229376 MB/sec
Texel Rate 80000 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 32000 Mpixels/sec 35840 Mpixels/sec
Unified Shaders 1280 2304
Texture Mapping Units 80 144
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 data (measured in megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon R9 270X

Amazon.com

Check prices at:

Radeon RX 480 4GB

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.

Comments

One Response to “Radeon R9 270X vs Radeon RX 480 4GB”
Jonny Test says:

Ako ste vi normalni, ja sam avion, nema nikakve razlike izmedju mojeg
govneta i ovog ovde bencmarka, lice se ko da su blizanci.

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