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Radeon R7 240 vs Radeon RX 470 4GB

Intro

The Radeon R7 240 features a clock frequency of 730 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 320 SPUs, 20 TAUs, and 8 ROPs.

Compare those specs to the Radeon RX 470 4GB, which features clock speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon RX 470 4GB 120 Watts
Difference: 90 Watts (300%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 4GB should theoretically be quite a bit better than the Radeon R7 240 in general. (explain)

Radeon RX 470 4GB 211200 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 182400 (633%)

Texel Rate

The Radeon RX 470 4GB is a lot (about 712%) more effective at anisotropic filtering than the Radeon R7 240. (explain)

Radeon RX 470 4GB 118528 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 103928 (712%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 470 4GB is the winner, and very much so. (explain)

Radeon RX 470 4GB 29632 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 23792 (407%)

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 R7 240

Amazon.com

Check prices at:

Radeon RX 470 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.

Specifications

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Model Radeon R7 240 Radeon RX 470 4GB
Manufacturer AMD AMD
Year October 2013 August 2016
Code Name Oland PRO Polaris 10
Memory 2048 MB 4096 MB
Core Speed 730 MHz 926 MHz
Memory Speed 1800 MHz 6600 MHz
Power (Max TDP) 30 watts 120 watts
Bandwidth 28800 MB/sec 211200 MB/sec
Texel Rate 14600 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 5840 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 320 2048
Texture Mapping Units 20 128
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 1040 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 over the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel 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 ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R7 240

Amazon.com

Check prices at:

Radeon RX 470 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.

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