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Radeon HD 3690/3830 vs Radeon R9 M365X

Intro

The Radeon HD 3690/3830 makes use of a 55 nm design. AMD has clocked the core frequency at 668 MHz. The GDDR3 memory is set to run at a speed of 828 MHz on this specific model. It features 320(64x5) SPUs as well as 16 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has set the core speed at 925 MHz. The GDDR5 RAM works at a speed of 1125 MHz on this card. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M365X, in theory, should be much faster than the Radeon HD 3690/3830 in general. (explain)

Radeon R9 M365X 72000 MB/sec
Radeon HD 3690/3830 26496 MB/sec
Difference: 45504 (172%)

Texel Rate

The Radeon R9 M365X should be quite a bit (about 246%) better at texture filtering than the Radeon HD 3690/3830. (explain)

Radeon R9 M365X 37000 Mtexels/sec
Radeon HD 3690/3830 10688 Mtexels/sec
Difference: 26312 (246%)

Pixel Rate

The Radeon R9 M365X will be much (about 38%) better at AA than the Radeon HD 3690/3830, and also should be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M365X 14800 Mpixels/sec
Radeon HD 3690/3830 10688 Mpixels/sec
Difference: 4112 (38%)

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 R9 M365X

Amazon.com

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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 R9 M365X
Manufacturer AMD AMD
Year 2008 2015
Code Name RV670 PRO Cape Verde
Memory 256 MB 4096 MB
Core Speed 668 MHz 925 MHz
Memory Speed 1656 MHz 4500 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 26496 MB/sec 72000 MB/sec
Texel Rate 10688 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 10688 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 320(64x5) 640
Texture Mapping Units 16 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is worked out 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 3690/3830

Amazon.com

Check prices at:

Radeon R9 M365X

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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