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GeForce GTX 965M vs Radeon HD 3850 512MB

Intro

The GeForce GTX 965M uses a 28 nm design. nVidia has clocked the core speed at 944 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this particular model. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the Radeon HD 3850 512MB, which has clock speeds of 668 MHz on the GPU, and 828 MHz on the 512 MB of GDDR3 RAM. It features 320(64x5) SPUs along with 16 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 3850 512MB 75 Watts
Difference: 15 Watts (25%)

Memory Bandwidth

Theoretically, the GeForce GTX 965M should perform much faster than the Radeon HD 3850 512MB in general. (explain)

GeForce GTX 965M 64000 MB/sec
Radeon HD 3850 512MB 52992 MB/sec
Difference: 11008 (21%)

Texel Rate

The GeForce GTX 965M is a lot (approximately 465%) better at AF than the Radeon HD 3850 512MB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 3850 512MB 10688 Mtexels/sec
Difference: 49728 (465%)

Pixel Rate

The GeForce GTX 965M should be much (approximately 183%) more effective at AA than the Radeon HD 3850 512MB, and able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 3850 512MB 10688 Mpixels/sec
Difference: 19520 (183%)

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 3850 512MB

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 3850 512MB
Manufacturer nVidia AMD
Year January 5 2015 Nov 19, 2007
Code Name GM204 RV670 PRO
Memory 2048 MB 512 MB
Core Speed 944 MHz 668 MHz
Memory Speed 4000 MHz 1656 MHz
Power (Max TDP) 60 watts 75 watts
Bandwidth 64000 MB/sec 52992 MB/sec
Texel Rate 60416 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 1024 320(64x5)
Texture Mapping Units 64 16
Render Output Units 32 16
Bus Type GDDR5 GDDR3
Bus Width 128-bit 256-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 max amount of information (measured in MB per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, 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 maximum number of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 3850 512MB

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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