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NVIDIA Pascal GP104 Die Photo
Last week Nvidia announced the Tesla P100 data-center GPU and if you looked closely at the photo's you could already clearly see that big Pascal 15B transistor GPU being used. A new photo this time showing the GP104 GPU (successor to the GM204 = GTX 970/980).
According to the leak the photo shown below is the GP104 (GM204 successor) intended for Nvidia's pending high-end products, and it measures roughly 290-300mm². At the right side you can see Samsung K4G80325FB - 1.5V 8Gb 8Gbps (8000MHz) GDDR5. Word on the street is that this GPU would hold 2560 shader processors.
The rectangular die of the GP104 was measured at 15.35 mm x 19.18 mm which should house (very speculative) a transistor-count of 7.4~7.9 billion. Interesting to see is that this chip is tied towards Samsung 8-gigabit GDDR5 memory chips. These ICs run an effective speed of 8 GHz (GDDR5 and thus not GDDR5X). At 256-bit you'ld be looking at 256 GB/s of bandwidth. The shader processor core count of the GP104 could be closer to 2,560, than the 4,096 from an older report.
Earlier on it was speculated that graphics cards based on these GPUs would be called X70 and X80, the specs do not meet up even slightly though.
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Denial
Senior Member
Posts: 13974
Joined: 2004-05-16
Senior Member
Posts: 13974
Joined: 2004-05-16
#5256755 Posted on: 04/12/2016 12:51 AM
Guess i'll be waiting for the 1080/x80 Ti then. Hopefully AMD has a better product or comparable one so the price isn't super high.
Yeah, but by default. Workstation GPUs automatically cost more just because they can. They have ECC and other features not used on Consumer cards.
Trust me, there's no way Tesla cards actually cost 12k$ to make. They probably cost a fraction of that.
They obviously cost a fraction of that, but the point is yields at the start of a new node, especially 600mm2 chip, are going to be really low. You're going to lose over 75% of a wafer. High margins will offset that, which is why they are reserving GP100's to high margin products at the start of production.
Guess i'll be waiting for the 1080/x80 Ti then. Hopefully AMD has a better product or comparable one so the price isn't super high.
Yeah, but by default. Workstation GPUs automatically cost more just because they can. They have ECC and other features not used on Consumer cards.
Trust me, there's no way Tesla cards actually cost 12k$ to make. They probably cost a fraction of that.
They obviously cost a fraction of that, but the point is yields at the start of a new node, especially 600mm2 chip, are going to be really low. You're going to lose over 75% of a wafer. High margins will offset that, which is why they are reserving GP100's to high margin products at the start of production.
xIcarus
Senior Member
Posts: 974
Joined: 2010-08-24
Senior Member
Posts: 974
Joined: 2010-08-24
#5257481 Posted on: 04/13/2016 03:08 PM
Wow I never thought of that, it makes perfect sense. They can still make great profit this way.
They obviously cost a fraction of that, but the point is yields at the start of a new node, especially 600mm2 chip, are going to be really low. You're going to lose over 75% of a wafer. High margins will offset that, which is why they are reserving GP100's to high margin products at the start of production.
Wow I never thought of that, it makes perfect sense. They can still make great profit this way.
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Joined: 2012-02-02
Guess i'll be waiting for the 1080/x80 Ti then. Hopefully AMD has a better product or comparable one so the price isn't super high.
I kinda get the feeling big Pascal GP100 will be only for Tesla GPUs. Those big chips are just too expensive to sell for consumer gear. The DX-1 box costs around $130,000 with 8 of those GPUs. If you cut off around $30K for the other server components, your looking around $12,500 per GPU! I don't think we'll see anything like this chip for consumers until 16nm process is mature. I bet the chip yields are horrible right now, hence why they cost a fortune.
I bet the GP104 chip will be a different design entirely. Well still based off the GP100 but with some changes. They will probably kill all the Double Precision (DP) units, games don't really make use of that hardware. That silicon space would be much better utilized for Single Precision (SP) shader cores. Currently half of the silicon space on the GP100 is used for DP units, using that space for SP units would be a much better design for a gaming GPU.
Yeah, but by default. Workstation GPUs automatically cost more just because they can. They have ECC and other features not used on Consumer cards.
Trust me, there's no way Tesla cards actually cost 12k$ to make. They probably cost a fraction of that.