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GeForce GTX 1080M Details Show Up In Gaming Notebook – GDDR5X Not Included

Omar Sohail
Posted Jun 19, 2016
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NVIDIA’s GeForce GTX 1080M is expected to be officially released by the end up of July, and the latest leak gives us a little insight on the kind of memory type that is going to be working in unison with the GPU. Unfortunately, the details might disappoint you a little bit, since it suggests that the notebook variant of the GPU is not going to be as fast as the desktop counterpart.

GeForce GTX 1080M Shows Up With 8GB Of GDDR5 Video RAM – No GDDR5X Info Detailed With CUDA Core Count Expected To Be Lower

Information sprouting up from CnBeta reports that while a GeForce GTX 1080M is going to feature 8GB of video memory, it is not going to be fast as the memory type present in the desktop variant of NVIDIA’s GTX 1080 graphics adapter, suggesting that GDDR5X is not going to be part of the mobility series that are expected to be announced after July.

The last time something was reported on a GeForce GTX 1080M, it detailed a vast number of differences. First off, the alleged mobile version of GeForce GTX 1080 features 2048 CUDA Cores, which is less compared to the 2560 CUDA Cores present in the desktop variant. The mobile version of this GPU is based on the new Pascal GP104 SKU and it’s highly possible that it will feature a lower TDP compared to the desktop version. The desktop version of GeForce GTX 1080 is running at a default clock speed of 1607MHz, while the one that could be running in future laptops is running at a speed of 1442MHz.

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Image shows a potential gaming notebook outfitted with GeForce GTX 1080M GPU with 8GB GDDR5 video RAM

We currently have no word on the Boost Clock details either, but our guess is that in order to pay more focus to slightly increased battery life, there is not going to be a significant amount of difference between the Core Clock speed and Boost Clock. One other detail that we want to shed light on is that those previous details unearthed the memory bandwidth of GeForce GTX 1080M, which was rated at 256GB/s; slower than the desktop model 320GB/s, thus bringing us one step closer to the disappointment that the mobile version of the GPU is not going to be packing the higher bandwidth capable GDDR5X.

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NVIDIA GeForce Pascal Mobility Family Comparison:

SpecificationGeForce GTX 980 NotebookGeForce GTX 1050 Ti NotebookGeForce GTX 1060
Notebook
GeForce GTX 1070
Notebook
GeForce GTX 1080 Notebook
Graphics CoreGM204GP107GP106GP104GP104
Manufacturing process28nm14nm FinFET16nm FinFET16nm FinFET16nm FinFET
CUDA Cores2048768128020482560
Transistors 5.2 Billion3.3 Billion4.4 Billion7.2 Billion 7.2 Billion
ROP units64 324864 64
TMUs1284880128160
Core clock speed1064 MHz1490 MHz?1404 Mhz 1442 MHz1566 MHz
Boost clock speed1228 MHz1624 MHz?1670 Mhz1645 MHz1733 MHz
Memory clock7004 MHz7,008 MHz8,008 MHz8,008 MHz10,000 MHz
Memory interface256-bit128-bit192-bit256-bit256-bit
Total memory bandwidth224 GB/s112 GB/s192GB/s256GB/s320 GB/s
Total dedicated GPU memory 8 GB4 GB6 GB8 GB8 GB
VRAM TypeGDDR5GDDR5GDDR5GDDR5GDDR5X
TDP~150W~60W~80W~120W~150W

Those details also stated that the memory clock is running at 8008MHz, which is lower than the 10,000MHz memory clock of the desktop version, again signifying the performance sacrifices that have to be incurred in order to conserve battery life. Perhaps the only saving grace from all of this information was the fact that the video frame buffer stands in at 8GB, which will encourage future manufacturers to incorporate 4K displays onto their gaming machines to provide the best possible immersion.

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As stated before, the mobility series of NVIDIA’s family of GTX 1000 GPUs are going to officially announced after June so we will have more updates for you then.

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NVIDIA Pascal GP102 GTX Titan X Specifications:

Graphics Card NameNVIDIA GeForce GTX 980NVIDIA GeForce GTX 980 TiNVIDIA GeForce GTX Titan XNVIDIA GeForce GTX 1070NVIDIA GeForce GTX 1080NVIDIA GeForce GTX Titan (Pascal)
Graphics CoreGM204GM200GM200GP104GP104GP102
Process Node28nm28nm28nm16nm FinFET16nm FinFET16nm FinFET
Transistors5.2 Billion8 Billion8 Billion7.2 Billion7.2 Billion12.0 Billion
CUDA Cores2048 CUDA Cores2816 CUDA Cores3072 CUDA Cores1920 CUDA Cores2560 CUDA Cores3584 CUDA Cores
Base Clock1126 MHz1000 MHz1000 MHz1506 MHz1607 MHz1417 MHz
Boost Clock1216 MHz1075 MHz1075 MHz1683 MHz1733 MHz1531 MHz
FP32 Compute5.6 TFLOPs6.5 TFLOPs7.0 TFLOPs6.5 TFLOPs9.0 TFLOPs10.1 TFLOPs
VRAM4 GB GDDR56 GB GDDR512 GB GDDR58 GB GDDR58 GB GDDR5X12 GB GDDR5X
Bus Interface256-bit bus384-bit bus384-bit bus256-bit bus256-bit bus384-bit bus
Power Connector6+6 Pin Power8+6 Pin Power8+6 Pin PowerSingle 8-Pin PowerSingle 8-Pin Power8+6 Pin Power
TDP165W250W250W150W180W250W
Display Outputs3x Display Port
1x HDMI 2.0
1x DVI
3x Display Port
1x HDMI 2.0
1x DVI
3x Display Port
1x HDMI 2.0
1x DVI
3x Display Port 1.4
1x HDMI 2.0b
1x DVI
3x Display Port 1.4
1x HDMI 2.0b
1x DVI
3x Display Port 1.4
1x HDMI 2.0b
1x DVI
Launch DateSeptember 2014May 2015March 201510th June 201627th May 2016August 2016
Launch Price$549 US$649 US$999 US$379 US$599 US$1200 US

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