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Radeon R7 240 vs Radeon RX 470 4GB

Intro

The Radeon R7 240 features a GPU clock speed of 730 MHz, and the 2048 MB of DDR3 memory runs at 900 MHz through a 128-bit bus. It also is made up of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

Compare those specifications to the Radeon RX 470 4GB, which features a clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also features a 256-bit bus, and uses a 14 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

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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 in theory be much superior to 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 should be much (about 712%) faster with regards to AF 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 running with high levels of AA is important to you, then the Radeon RX 470 4GB is superior to the Radeon R7 240, by far. (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 largest amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially 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 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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