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GeForce GTX 965M vs Radeon HD 5770

Intro

The GeForce GTX 965M has clock speeds of 944 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs along with 64 TAUs and 32 ROPs.

Compare all of that to the Radeon HD 5770, which features clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 RAM. It features 800(160x5) SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 5770 108 Watts
Difference: 48 Watts (80%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5770 will be 20% quicker than the GeForce GTX 965M overall, because of its higher bandwidth. (explain)

Radeon HD 5770 76800 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 12800 (20%)

Texel Rate

The GeForce GTX 965M is much (approximately 78%) faster with regards to anisotropic filtering than the Radeon HD 5770. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 26416 (78%)

Pixel Rate

The GeForce GTX 965M should be a lot (more or less 122%) better at full screen anti-aliasing than the Radeon HD 5770, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 16608 (122%)

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 5770

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 5770
Manufacturer nVidia AMD
Year January 5 2015 October 13, 2009
Code Name GM204 Juniper XT
Memory 2048 MB 1024 MB
Core Speed 944 MHz 850 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 60 watts 108 watts
Bandwidth 64000 MB/sec 76800 MB/sec
Texel Rate 60416 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 1024 800(160x5)
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - 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 5770

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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