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Radeon HD 3650 vs Radeon R7 240

Intro

The Radeon HD 3650 features a GPU core speed of 725 MHz, and the 1024 MB of GDDR4 RAM runs at 800 MHz through a 128-bit bus. It also is made up of 120(24x5) Stream Processors, 8 TAUs, and 4 Raster Operation Units.

Compare all of that to the Radeon R7 240, which makes use of a 28 nm design. AMD has clocked the core speed at 730 MHz. The DDR3 memory runs at a frequency of 900 MHz on this particular model. It features 320 SPUs along with 20 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

The Radeon R7 240 should in theory perform a bit faster than the Radeon HD 3650 overall. (explain)

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

Texel Rate

The Radeon R7 240 should be quite a bit (approximately 152%) faster with regards to texture filtering than the Radeon HD 3650. (explain)

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

Pixel Rate

The Radeon R7 240 should be much (approximately 101%) more effective at AA than the Radeon HD 3650, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon R7 240 5840 Mpixels/sec
Radeon HD 3650 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

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.

Specifications

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Model Radeon HD 3650 Radeon R7 240
Manufacturer AMD AMD
Year 2008 October 2013
Code Name RV635 PRO Oland PRO
Memory 1024 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 GDDR4 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: Bandwidth is the largest amount of information (in units of MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 processed per second. This is calculated by multiplying the total amount of texture units of the card by the core 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 maximum number of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 3650

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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