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GeForce GTX 965M vs Radeon HD 6770 1GB

Intro

The GeForce GTX 965M uses a 28 nm design. nVidia has clocked the core speed at 944 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this specific card. It features 1024 SPUs as well as 64 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 6770 1GB, which features core clock speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 memory. It features 800 SPUs along with 40 Texture Address Units 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 6770 1GB 108 Watts
Difference: 48 Watts (80%)

Memory Bandwidth

The Radeon HD 6770 1GB should in theory be a little bit faster than the GeForce GTX 965M in general. (explain)

Radeon HD 6770 1GB 67200 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce GTX 965M is a lot (more or less 68%) more effective at anisotropic filtering than the Radeon HD 6770 1GB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 6770 1GB 36000 Mtexels/sec
Difference: 24416 (68%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 965M is the winner, by a large margin. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 6770 1GB 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

Check prices at:

Radeon HD 6770 1GB

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 1GB
Manufacturer nVidia AMD
Year January 5 2015 January 2011
Code Name GM204 Juniper XT
Memory 2048 MB 1024 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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total number of texture units by the core clock 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - 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 6770 1GB

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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