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Radeon HD 7970 vs Radeon R5 M230

Intro

The Radeon HD 7970 comes with a clock frequency of 925 MHz and a GDDR5 memory frequency of 1375 MHz. It also uses a 384-bit bus, and makes use of a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare all that to the Radeon R5 M230, which comes with core speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs as well as 20 TAUs and 4 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.

3DMark Fire Strike Graphics Score

Radeon HD 7970 8225 points
Radeon R5 M230 1281 points
Difference: 6944 (542%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon HD 7970 should in theory be much superior to the Radeon R5 M230 overall. (explain)

Radeon HD 7970 264000 MB/sec
Radeon R5 M230 16000 MB/sec
Difference: 248000 (1550%)

Texel Rate

The Radeon HD 7970 should be a lot (approximately 659%) more effective at anisotropic filtering than the Radeon R5 M230. (explain)

Radeon HD 7970 118400 Mtexels/sec
Radeon R5 M230 15600 Mtexels/sec
Difference: 102800 (659%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 7970 is a better choice, by far. (explain)

Radeon HD 7970 29600 Mpixels/sec
Radeon R5 M230 3120 Mpixels/sec
Difference: 26480 (849%)

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 HD 7970

Amazon.com

Check prices at:

Radeon R5 M230

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 HD 7970 Radeon R5 M230
Manufacturer AMD AMD
Year January 2012 2014
Code Name Tahiti XT Jet Pro
Memory 3072 MB 2048 MB
Core Speed 925 MHz 780 MHz
Memory Speed 5500 MHz 2000 MHz
Power (Max TDP) 250 watts (Unknown) watts
Bandwidth 264000 MB/sec 16000 MB/sec
Texel Rate 118400 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 29600 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 2048 320
Texture Mapping Units 128 20
Render Output Units 32 4
Bus Type GDDR5 DDR3
Bus Width 384-bit 64-bit
Fab Process 28 nm 28 nm
Transistors 4313 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x8
DirectX Version DirectX 11.1 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics 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 amount of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock 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 rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 7970

Amazon.com

Check prices at:

Radeon R5 M230

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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