Nvidia trims GDDR5X to 11 Gbps with Geforce GTX 1080

In connection with the Game Developer Conference (GDC) 2017, Nvidia took the opportunity to show the new Geforce GTX 1080 Ti and a price adjustment of the GTX 1080. The company also had two other minor product innovations, where the GTX 1080 and also the GTX 1060 will go on sale as special overclocked variants .

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1 Specifications: Geforce GTX 1080 OC and GTX 1060 OC

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Specifications: Geforce GTX 1080 OC and GTX 1060 OC

	GTX 1080 OC	GTX 1080	GTX 1060 OC	GTX 1060
Technical	16 nm TSMC	16 nm TSMC	16 nm TSMC	16 nm TSMC
Circuit	GP104	GP104	GP106	GP106
Circuit surface	314 mm²	314 mm²	200 mm²	200 mm²
Transistors	7.2 billion	7.2 billion	4.4 billion	4.4 billion
Architecture	Pascal	Pascal	Pascal	Pascal
CUDA cores	2 560 st.	2 560 st.	1 280 st.	1 280 st.
Texture units	160 st.	160 st.	80 st.	80 st.
Raster units	64 st.	64 st.	48 st.	48 st.
Clock frequency	1 607 MHz	1 607 MHz	1 506 MHz	1 506 MHz
GPU Boost	1 733 MHz	1 733 MHz	1 708 MHz	1 708 MHz
Computational power	8 873 GFLOPS	8 873 GFLOPS	4 372 GFLOPS	4 372 GFLOPS
Memory bus	256-bit	256-bit	192-bit	192-bit
Memory amount	8 GB GDDR5X	8 GB GDDR5X	6 GB GDDR5	6 GB GDDR5
Memory frequency	11 000 MHz	10 000 MHz	9 000 MHz	8 000 MHz
Memory bandwidth	352 GB/s	320 GB/s	216 GB/s	192 GB/s
Power supply	8-pin	8-pin	6-pin	6-pin
Outputs	1 st. DL-DVI 1 st. HDMI 2.0b 3 st. DP 1.4	1 st. DL-DVI 1 st. HDMI 2.0b 3 st. DP 1.4	1 st. DL-DVI 1 st. HDMI 2.0b 3 st. DP 1.4	1 st. DL-DVI 1 st. HDMI 2.0 3 st. DP 1.2
TDP	180 W	180 W	120 W	120 W
Rec. Award*	?	499 USD	?	299 USD* 249 USD

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* Nvidia’s award for Founder’s Edition. The lower price point is recommended for partner manufacturers’ custom graphics cards.

Judging by the presentation, the news for the new variants of Geforce GTX 1080 and GTX 1060 is that they get higher clocked graphics memory than before. In both cases, these are record-high frequencies with respective memory technology, where GTX 1080 OC has GDDR5X at 11 Gbps (11,000 MHz efficient) for 32 GB / s higher bandwidth.

The new Geforce GTX 1060 OC in turn gets GDDR5 at 9 Gbps (9,000 MHz efficient) for 24 GB / s higher memory bandwidth. This feat can be considered more impressive than GTX 1080 OC, as there is no GDDR5 memory that officially goes higher than 8 Gbps. The graphics memory is thus factory overclocked.

That Nvidia can achieve the higher clock frequencies is attributed to optimizations, but whether this is in the graphics circuits, circuit boards or both is not clear. Graphics cards with the higher clocked graphics memories must be available via partner manufacturers shortly at a price not yet known.

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