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Radeon HD 7970 vs Radeon R5 M230

Intro

The Radeon HD 7970 comes with core clock speeds of 925 MHz on the GPU, and 1375 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon R5 M230, which uses a 28 nm design. AMD has set the core frequency at 780 MHz. The DDR3 RAM is set to run at a speed of 1000 MHz on this particular model. It features 320 SPUs along with 20 Texture Address Units 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

Theoretically speaking, the Radeon HD 7970 should perform a lot faster than the Radeon R5 M230 in general. (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 (about 659%) more effective at texture 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 using lots of anti-aliasing is important to you, then the Radeon HD 7970 is a better choice, by a large margin. (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 (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, 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 number is calculated by multiplying the total number of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially 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 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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