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GeForce 920M vs GeForce GTX 1080


Intro

The GeForce 920M comes with a clock frequency of 954 MHz and a DDR3 memory speed of 900 MHz. It also uses a 64-bit memory bus, and makes use of a 28 nm design. It features 384 SPUs, 32 Texture Address Units, and 8 ROPs.

Compare all that to the GeForce GTX 1080, which makes use of a 16 nm design. nVidia has clocked the core frequency at 1607 MHz. The GDDR5X memory works at a speed of 1251 MHz on this card. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Display Graphs

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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 1080 22050 points
GeForce 920M 1180 points
Difference: 20870 (1769%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 1080 should theoretically be a lot faster than the GeForce 920M in general. (explain)

GeForce GTX 1080 327680 MB/sec
GeForce 920M 14400 MB/sec
Difference: 313280 (2176%)

Texel Rate

The GeForce GTX 1080 should be a lot (approximately 742%) more effective at AF than the GeForce 920M. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce 920M 30528 Mtexels/sec
Difference: 226592 (742%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1080 is superior to the GeForce 920M, by far. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce 920M 7632 Mpixels/sec
Difference: 95216 (1248%)

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

GeForce 920M

GeForce GTX 1080

Specifications

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Model GeForce 920M GeForce GTX 1080
Manufacturer nVidia nVidia
Year March 12 2015 May 2016
Code Name GK208 GP104-400
Memory 2048 MB 8192 MB
Core Speed 954 MHz 1607 MHz
Memory Speed 1800 MHz 10008 MHz
Power (Max TDP) (Unknown) watts 180 watts
Bandwidth 14400 MB/sec 327680 MB/sec
Texel Rate 30528 Mtexels/sec 257120 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 102848 Mpixels/sec
Unified Shaders 384 2560
Texture Mapping Units 32 160
Render Output Units 8 64
Bus Type DDR3 GDDR5X
Bus Width 64-bit 256-bit
Fab Process 28 nm 16 nm
Transistors (Unknown) million 7200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics 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 amount of pixels that the graphics chip can possibly record to its 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 card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce 920M

GeForce GTX 1080

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