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GeForce GTX 965M vs Radeon HD 4550 256MB

Intro

The GeForce GTX 965M comes with a clock speed of 944 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It features 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon HD 4550 256MB, which has a GPU core clock speed of 600 MHz, and 256 MB of DDR3 memory running at 800 MHz through a 64-bit bus. It also is made up of 80(16x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
GeForce GTX 965M 60 Watts
Difference: 35 Watts (140%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 965M should be 400% quicker than the Radeon HD 4550 256MB overall, due to its greater bandwidth. (explain)

GeForce GTX 965M 64000 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 51200 (400%)

Texel Rate

The GeForce GTX 965M should be quite a bit (approximately 1159%) faster with regards to anisotropic filtering than the Radeon HD 4550 256MB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 55616 (1159%)

Pixel Rate

The GeForce GTX 965M is a lot (more or less 1159%) better at FSAA than the Radeon HD 4550 256MB, and should be able to handle higher resolutions better. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 27808 (1159%)

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

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Radeon HD 4550 256MB

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 GeForce GTX 965M Radeon HD 4550 256MB
Manufacturer nVidia AMD
Year January 5 2015 Sep 30, 2008
Code Name GM204 RV710
Memory 2048 MB 256 MB
Core Speed 944 MHz 600 MHz
Memory Speed 4000 MHz 1600 MHz
Power (Max TDP) 60 watts 25 watts
Bandwidth 64000 MB/sec 12800 MB/sec
Texel Rate 60416 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 1024 80(16x5)
Texture Mapping Units 64 8
Render Output Units 32 4
Bus Type GDDR5 DDR3
Bus Width 128-bit 64-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 242 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 4550 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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