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Radeon HD 3690/3830 vs Radeon R5 M230

Intro

The Radeon HD 3690/3830 has clock speeds of 668 MHz on the GPU, and 828 MHz on the 256 MB of GDDR3 RAM. It features 320(64x5) SPUs along with 16 Texture Address Units and 16 ROPs.

Compare that to the Radeon R5 M230, which features a core clock speed of 780 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 64-bit bus, and uses a 28 nm design. It features 320 SPUs, 20 TAUs, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon HD 3690/3830 should theoretically be a lot better than the Radeon R5 M230 overall. (explain)

Radeon HD 3690/3830 26496 MB/sec
Radeon R5 M230 16000 MB/sec
Difference: 10496 (66%)

Texel Rate

The Radeon R5 M230 should be much (about 46%) better at texture filtering than the Radeon HD 3690/3830. (explain)

Radeon R5 M230 15600 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 4912 (46%)

Pixel Rate

The Radeon HD 3690/3830 should be much (more or less 243%) faster with regards to FSAA than the Radeon R5 M230, and also should be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 3690/3830 10688 Mpixels/sec
Radeon R5 M230 3120 Mpixels/sec
Difference: 7568 (243%)

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 3690/3830

Amazon.com

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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 3690/3830 Radeon R5 M230
Manufacturer AMD AMD
Year 2008 2014
Code Name RV670 PRO Jet Pro
Memory 256 MB 2048 MB
Core Speed 668 MHz 780 MHz
Memory Speed 1656 MHz 2000 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 26496 MB/sec 16000 MB/sec
Texel Rate 10688 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 10688 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 320(64x5) 320
Texture Mapping Units 16 20
Render Output Units 16 4
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 3690/3830

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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