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GeForce GTX 960M vs Radeon HD 6770

Intro

The GeForce GTX 960M uses a 28 nm design. nVidia has set the core speed at 1096 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this model. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Compare those specifications to the Radeon HD 6770, which comes with a core clock speed of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It is made up of 800 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

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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 960M 4350 points
Radeon HD 6770 1520 points
Difference: 2830 (186%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the Radeon HD 6770 is 5% faster than the GeForce GTX 960M overall, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 960M is quite a bit (more or less 22%) more effective at anisotropic filtering than the Radeon HD 6770. (explain)

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

Pixel Rate

The GeForce GTX 960M will be much (approximately 22%) faster with regards to FSAA than the Radeon HD 6770, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 960M 17536 Mpixels/sec
Radeon HD 6770 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

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 960M Radeon HD 6770
Manufacturer nVidia AMD
Year March 12 2015 January 2011
Code Name GM107 Juniper XT
Memory 2048 MB 512 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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 960M

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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