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GeForce GTX 960M vs Radeon HD 6770 1GB

Intro

The GeForce GTX 960M uses a 28 nm design. nVidia has clocked the core frequency at 1096 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this specific model. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon HD 6770 1GB, which makes use of a 40 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 memory is set to run at a frequency of 1050 MHz on this card. It features 800 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960M 65 Watts
Radeon HD 6770 1GB 108 Watts
Difference: 43 Watts (66%)

Memory Bandwidth

The Radeon HD 6770 1GB should theoretically be just a bit faster than the GeForce GTX 960M in general. (explain)

Radeon HD 6770 1GB 67200 MB/sec
GeForce GTX 960M 64000 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce GTX 960M should be a lot (approximately 22%) more effective at AF than the Radeon HD 6770 1GB. (explain)

GeForce GTX 960M 43840 Mtexels/sec
Radeon HD 6770 1GB 36000 Mtexels/sec
Difference: 7840 (22%)

Pixel Rate

The GeForce GTX 960M is a lot (about 22%) more effective at anti-aliasing than the Radeon HD 6770 1GB, and able to handle higher resolutions while still performing well. (explain)

GeForce GTX 960M 17536 Mpixels/sec
Radeon HD 6770 1GB 14400 Mpixels/sec
Difference: 3136 (22%)

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 960M

Amazon.com

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Radeon HD 6770 1GB

Amazon.com

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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 960M Radeon HD 6770 1GB
Manufacturer nVidia AMD
Year March 12 2015 January 2011
Code Name GM107 Juniper XT
Memory 2048 MB 1024 MB
Core Speed 1096 MHz 900 MHz
Memory Speed 4000 MHz 4200 MHz
Power (Max TDP) 65 watts 108 watts
Bandwidth 64000 MB/sec 67200 MB/sec
Texel Rate 43840 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 17536 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 640 800
Texture Mapping Units 40 40
Render Output Units 16 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 largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 960M

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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