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Radeon R7 240 vs Radeon R9 M390X

Intro

The Radeon R7 240 features a GPU core speed of 730 MHz, and the 2048 MB of DDR3 RAM runs at 900 MHz through a 128-bit bus. It also is comprised of 320 Stream Processors, 20 Texture Address Units, and 8 ROPs.

Compare all that to the Radeon R9 M390X, which features a core clock speed of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon R9 M390X 125 Watts
Difference: 95 Watts (317%)

Memory Bandwidth

Theoretically, the Radeon R9 M390X should perform quite a bit faster than the Radeon R7 240 overall. (explain)

Radeon R9 M390X 160000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 131200 (456%)

Texel Rate

The Radeon R9 M390X will be a lot (about 534%) faster with regards to anisotropic filtering than the Radeon R7 240. (explain)

Radeon R9 M390X 92544 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 77944 (534%)

Pixel Rate

The Radeon R9 M390X should be much (approximately 296%) more effective at full screen anti-aliasing than the Radeon R7 240, and will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M390X 23136 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 17296 (296%)

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 R9 M390X

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 R9 M390X
Manufacturer AMD AMD
Year October 2013 2015
Code Name Oland PRO Tonga
Memory 2048 MB 4096 MB
Core Speed 730 MHz 723 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 30 watts 125 watts
Bandwidth 28800 MB/sec 160000 MB/sec
Texel Rate 14600 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 5840 Mpixels/sec 23136 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 28 nm
Transistors 1040 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is worked out 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon R7 240

Amazon.com

Check prices at:

Radeon R9 M390X

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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