NVIDIA 16nm Pascal GP104 GPU Pictured in Full Detail – Powers 8 GB GeForce GTX 1080 and GeForce GTX 1070 Graphics Cards

NVIDIA is prepping their next generation Pascal GPUs for consumers which will be featured on their upcoming GeForce graphics cards. The GPU to power such graphics cards will be known as the Pascal GP104 which will be built on the same 16nm process node as the GP100 which is first going in servers. We saw the first pictures of Pascal GP104 a few weeks back but now we have gotten a much closer look at the upcoming gaming grade chip from NVIDIA.

Image Credits/Source: Videocardz

NVIDIA's 16nm GP104 Pascal GPU Pictured in Detail - Launching Very Soon With Consumer Ready 8 GB Gaming Cards

The latest shots of the Pascal GP104 GPU are leaked by Videocardz with much more detail than the previous shot. This picture also reveals some additional details such as the card is no longer in engineering state but in qualification state (QS) which means that NVIDIA and their AIB partners are ready to unveil this card relatively soon.

A few things to note about this leak is that the last time we saw the GP104 GPU, it was housed on a green PCB which is used internally by NVIDIA to test the chip when it is under engineering phase. The chip is now past the phase and ready for qualification hence we see a black PCB which means that the GPU is finally doing the round on a retail ready board.


The NVIDIA Pascal GP104 GPU Will Be The Heart of Next-Gen GeForce Cards!

The leaked GP104 SKU bears the name of GP104-200-A1 and if my memory serves me correct, it is the specific SKU which will be featured on the GeForce GTX 1070. All GP104 GPUs will look the same but various SKUs will come with cut-down specs while the GP104-400-A1 chip will only feature the fully enabled specifications of the gaming Pascal chip. Following is a list of SKUs which are allegedly reported to be based on GP104 design:

NVIDIA Pascal GP104 SKUs:

Maxwell Graphics CardMaxwell GPU SKUPascal GPU SKUBoardsAvailability
NVIDIA GeForce GTX 980 TiGM200-310-A1GP104-400-A1Reference and AIBEarly June
NVIDIA GeForce GTX 980GM204-400-A1GP104-200-A1Reference and AIBEarly June
NVIDIA GeForce GTX 970GM204-200-A1GP104-150-A1AIB OnlyMid June

NVIDIA's GP104 Measures at 317mm2 and Houses Around 8 Billion Transistors

Coming to the talk on the die, the GP104 measures at approximately 317mm2 which is smaller than both the GM200 and GM204 GPUs. Just to put things in perspective, NVIDIA’s current Titan X has 8 Billion transistors on a 601mm2 die. The GeForce GTX 980 with GM204 on the other hand is a 398mm2 die with a total of 5.2 billion transistors. FinFET really proves to be a miracle when it comes to increasing the overall transistor numbers and at the same time, decreasing the chip size. This allows more chips to be manufacturerd on a 16nm Wafer that saves cost for NVIDIA developing such GPUs.

A GPU die comparison of GM200, GM204 and GP104 Posted by Videocardz.

NVIDIA GeForce GTX 1080 Features GDDR5X and GeForce GTX 1070 Features GDDR5 DRAM

Rest of the board was not pictured but the specific SKU was pictured with a total of eight 8 Gbps memory chips featuring 8 Gb density. The board uses the latest Samsung K4G80325FB-HC25 chips which use the 8 Gb DRAM and run at 8 Gbps speeds. This will allow NVIDIA to boost not only the bandwidth but also the VRAM size on their upcoming GeForce cards.

We know that the GP104-200-A1 SKU will be featured on the GeForce GTX 1070 graphics card featuring GDDR5 memory while the GeForce GTX 1080 graphics card will feature GDDR5X memory. It is pointed that both GDDR5 and GDDR5X memory are not pin-to-pin compatible since GDDR5 uses a 170 pin ball grid while GDDR5X uses a 190 pin ball grid layout. Both cards feature the same amount of VRAM of 8 GB but 1080 will have higher total bandwidth available up to 384 GB/s while retaining a 256-bit memory bus.

Memory bandwidth of around 256 GB/s on GeForce cards along a 256-bit interface is also workable since Gaming GPUs now include several memory compression technologies which conserve and run fine with the available bandwidth hence making sure that the bandwidth doesn't become a bottleneck. We so far have not seen a case of extreme memory bandwidth bottlenecks on gaming cards.

NVIDIA GeForce Pascal GP104 GPUs Are Ready For DirectX 12, Vulkan, VR and Compute Preemption

NVIDIA's GeForce Pascal GPUs are ready to launch very soon. We have already seen several coolers leaked on the web along with the branding schemes. The GeForce GTX 1080 and GTX 1070 cards which will be using the Pascal GP104 GPUs are built for gamers in mind. The NVIDIA and AMD solutions will be designed to deliver lots of horse power to gamers while being efficient.

The leaked cooling shroud of the GeForce GTX 1080 gives us a decent look at the aggressive design.

It seems like that 8 GB VRAM will become the standard for high performance graphics cards like the GeForce GTX 1080 and 1070. These graphics cards, fused with a range of new features will be aim to provide better graphics performance at high resolutions and in games that are built with DirectX 12 and Vulkan APIs and their respective technologies such as Compute Preemption.

Before Pascal, on systems where compute and display tasks were run on the same GPU, long-running compute kernels could cause the OS and other visual applications to become unresponsive and non-interactive until the kernel timed out. Because of this, programmers had to either install a dedicated compute-only GPU or carefully code their applications around the limitations of prior GPUs, breaking up their workloads into smaller execution timeslices so they would not time out or be killed by the OS.

Indeed, many applications do require long-running processes, and with Compute Preemption in Pascal, those applications can now run as long as they need when processing large datasets or waiting for specific conditions to occur, while visual applications remain smooth and interactive—but not at the expense of the programmer struggling to get code to run in small timeslices.

Compute Preemption also permits interactive debugging of compute kernels on single-GPU systems. This is an important capability for developer productivity. In contrast, the Kepler GPU architecture only provided coarser-grained preemption at the level of a block of threads in a compute kernel. This block-level preemption required that all threads of a thread block complete before the hardware can context switch to a different context. via NVIDIA

NVIDIA's Pascal GPUs are gearing to be the same revolution which was their Maxwell GPUs at the time of launch. The Maxwell GPUs launched back in 2014 and allowed NVIDIA to capture up to 80% of the discrete graphics market share. Competitive pricing on Pascal cards will allow many current and last generation GPU owners to upgrade to the Pascal GeForce cards which will deliver performance and efficiency increases along with better tech support for next-generation AAA titles.

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
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
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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