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GeForce GTX 880M vs Geforce GTX 770

Intro

The GeForce GTX 880M features clock speeds of 954 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1536 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Geforce GTX 770, which uses a 28 nm design. nVidia has clocked the core speed at 1046 MHz. The GDDR5 memory works at a frequency of 1753 MHz on this specific card. It features 1536 SPUs along with 128 Texture Address Units and 32 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 770 7854 points
GeForce GTX 880M 6360 points
Difference: 1494 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
Geforce GTX 770 230 Watts
Difference: 100 Watts (77%)

Memory Bandwidth

Performance-wise, the Geforce GTX 770 should theoretically be quite a bit better than the GeForce GTX 880M overall. (explain)

Geforce GTX 770 224384 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 96384 (75%)

Texel Rate

The Geforce GTX 770 is just a bit (approximately 10%) better at anisotropic filtering than the GeForce GTX 880M. (explain)

Geforce GTX 770 133888 Mtexels/sec
GeForce GTX 880M 122112 Mtexels/sec
Difference: 11776 (10%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 770 is a better choice, though not by far. (explain)

Geforce GTX 770 33472 Mpixels/sec
GeForce GTX 880M 30528 Mpixels/sec
Difference: 2944 (10%)

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 880M

Amazon.com

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Geforce GTX 770

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 880M Geforce GTX 770
Manufacturer nVidia nVidia
Year March 12 2014 May 2013
Code Name GK104 GK104
Memory 4096 MB 2048 MB
Core Speed 954 MHz 1046 MHz
Memory Speed 4000 MHz 7012 MHz
Power (Max TDP) 130 watts 230 watts
Bandwidth 128000 MB/sec 224384 MB/sec
Texel Rate 122112 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 1536 1536
Texture Mapping Units 128 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated 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 video card will be at handling 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 video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 880M

Amazon.com

Check prices at:

Geforce GTX 770

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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