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GeForce GTX 965M vs Radeon HD 5770

Intro

The GeForce GTX 965M features a GPU core speed of 944 MHz, and the 2048 MB of GDDR5 memory is set to run at 1000 MHz through a 128-bit bus. It also features 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon HD 5770, which makes use of a 40 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 RAM is set to run at a frequency of 1200 MHz on this specific card. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

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

The Radeon HD 5770 should in theory be a little bit faster than the GeForce GTX 965M overall. (explain)

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

Texel Rate

The GeForce GTX 965M is quite a bit (more or less 78%) faster with regards to AF 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 much (more or less 122%) faster with regards to FSAA than the Radeon HD 5770, and also capable of handling higher screen resolutions more effectively. (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: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core 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 quite a few other factors, most notably 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 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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