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GeForce GTX 965M vs Radeon HD 6770

Intro

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

Compare those specs to the Radeon HD 6770, which uses a 40 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 RAM runs at a speed of 1050 MHz on this particular model. It features 800 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 965M 5650 points
Radeon HD 6770 1520 points
Difference: 4130 (272%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 6770 108 Watts
Difference: 48 Watts (80%)

Memory Bandwidth

Theoretically, the Radeon HD 6770 should perform a small bit faster than the GeForce GTX 965M overall. (explain)

Radeon HD 6770 67200 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce GTX 965M should be quite a bit (more or less 68%) faster with regards to AF than the Radeon HD 6770. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 6770 36000 Mtexels/sec
Difference: 24416 (68%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 965M is a better choice, by far. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 6770 14400 Mpixels/sec
Difference: 15808 (110%)

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 6770

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 6770
Manufacturer nVidia AMD
Year January 5 2015 January 2011
Code Name GM204 Juniper XT
Memory 2048 MB 512 MB
Core Speed 944 MHz 900 MHz
Memory Speed 4000 MHz 4200 MHz
Power (Max TDP) 60 watts 108 watts
Bandwidth 64000 MB/sec 67200 MB/sec
Texel Rate 60416 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 1024 800
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 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If 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 number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units 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 rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 6770

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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