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GeForce GTX 965M vs Radeon HD 3650 256MB

Intro

The GeForce GTX 965M comes with core speeds of 944 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 3650 256MB, which has a core clock speed of 725 MHz and a DDR2 memory frequency of 800 MHz. It also makes use of a 128-bit memory bus, and makes use of a 55 nm design. It is made up of 120(24x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 3650 256MB 78 Watts
Difference: 18 Watts (30%)

Memory Bandwidth

In theory, the GeForce GTX 965M should perform a lot faster than the Radeon HD 3650 256MB in general. (explain)

GeForce GTX 965M 64000 MB/sec
Radeon HD 3650 256MB 25600 MB/sec
Difference: 38400 (150%)

Texel Rate

The GeForce GTX 965M will be a lot (more or less 942%) faster with regards to anisotropic filtering than the Radeon HD 3650 256MB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 3650 256MB 5800 Mtexels/sec
Difference: 54616 (942%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 965M is the winner, by a large margin. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 3650 256MB 2900 Mpixels/sec
Difference: 27308 (942%)

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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GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 3650 256MB

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 GeForce GTX 965M Radeon HD 3650 256MB
Manufacturer nVidia AMD
Year January 5 2015 2008
Code Name GM204 RV635 PRO
Memory 2048 MB 256 MB
Core Speed 944 MHz 725 MHz
Memory Speed 4000 MHz 1600 MHz
Power (Max TDP) 60 watts 78 watts
Bandwidth 64000 MB/sec 25600 MB/sec
Texel Rate 60416 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 1024 120(24x5)
Texture Mapping Units 64 8
Render Output Units 32 4
Bus Type GDDR5 DDR2
Bus Width 128-bit 128-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

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

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 3650 256MB

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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