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Radeon HD 3650 256MB vs Radeon R7 240

Intro

The Radeon HD 3650 256MB has core speeds of 725 MHz on the GPU, and 800 MHz on the 256 MB of DDR2 memory. It features 120(24x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Compare all that to the Radeon R7 240, which features GPU core speed of 730 MHz, and 2048 MB of DDR3 memory running at 900 MHz through a 128-bit bus. It also is comprised of 320 Stream Processors, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
Radeon HD 3650 256MB 78 Watts
Difference: 48 Watts (160%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 240 should be a small bit faster than the Radeon HD 3650 256MB overall. (explain)

Radeon R7 240 28800 MB/sec
Radeon HD 3650 256MB 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The Radeon R7 240 will be much (more or less 152%) more effective at texture filtering than the Radeon HD 3650 256MB. (explain)

Radeon R7 240 14600 Mtexels/sec
Radeon HD 3650 256MB 5800 Mtexels/sec
Difference: 8800 (152%)

Pixel Rate

The Radeon R7 240 should be much (more or less 101%) faster with regards to anti-aliasing than the Radeon HD 3650 256MB, and capable of handling higher resolutions without losing too much performance. (explain)

Radeon R7 240 5840 Mpixels/sec
Radeon HD 3650 256MB 2900 Mpixels/sec
Difference: 2940 (101%)

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 256MB

Amazon.com

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Radeon R7 240

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 256MB Radeon R7 240
Manufacturer AMD AMD
Year 2008 October 2013
Code Name RV635 PRO Oland PRO
Memory 256 MB 2048 MB
Core Speed 725 MHz 730 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 78 watts 30 watts
Bandwidth 25600 MB/sec 28800 MB/sec
Texel Rate 5800 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 2900 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 120(24x5) 320
Texture Mapping Units 8 20
Render Output Units 4 8
Bus Type DDR2 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors (Unknown) million 1040 million
Bus PCIe 2.0 x16/AGP 8x PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

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

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units 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 per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 3650 256MB

Amazon.com

Check prices at:

Radeon R7 240

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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