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Radeon HD 3650 512MB vs Radeon R7 M260

Intro

The Radeon HD 3650 512MB uses a 55 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR3 memory runs at a speed of 800 MHz on this specific model. It features 120(24x5) SPUs along with 8 TAUs and 4 Rasterization Operator Units.

Compare those specs to the Radeon R7 M260, which features a core clock frequency of 715 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit bus, and makes use of a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 3650 512MB should in theory be much faster than the Radeon R7 M260 overall. (explain)

Radeon HD 3650 512MB 25600 MB/sec
Radeon R7 M260 16000 MB/sec
Difference: 9600 (60%)

Texel Rate

The Radeon R7 M260 will be much (approximately 196%) better at AF than the Radeon HD 3650 512MB. (explain)

Radeon R7 M260 17160 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 11360 (196%)

Pixel Rate

The Radeon R7 M260 should be much (more or less 97%) more effective at anti-aliasing than the Radeon HD 3650 512MB, and also will be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R7 M260 5720 Mpixels/sec
Radeon HD 3650 512MB 2900 Mpixels/sec
Difference: 2820 (97%)

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 3650 512MB

Amazon.com

Check prices at:

Radeon R7 M260

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 3650 512MB Radeon R7 M260
Manufacturer AMD AMD
Year 2008 June 2014
Code Name RV635 PRO Opal/Topaz
Memory 512 MB 2048 MB
Core Speed 725 MHz 715 MHz
Memory Speed 1600 MHz 2000 MHz
Power (Max TDP) 78 watts (Unknown) watts
Bandwidth 25600 MB/sec 16000 MB/sec
Texel Rate 5800 Mtexels/sec 17160 Mtexels/sec
Pixel Rate 2900 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 120(24x5) 384
Texture Mapping Units 8 24
Render Output Units 4 8
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/AGP 8x PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon HD 3650 512MB

Amazon.com

Check prices at:

Radeon R7 M260

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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