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GeForce GTX 980 final specifications; Gainward GTX 970 pictured

The final specifications of NVIDIA GeForce GTX 980 have been leaked by none other than Videocardz. Less than three days remain for the launch of the first flagship Maxwell GPU and it sounds impressive. Maxwell is a highly efficient architecture and NVIDIA is able to drop the TDP by 85 W to just 165 W compared to last generation GTX 780 Ti. NVIDIA will launch both GTX 980 and GTX 970 on September 19th, 2014 at its Game24 event. To put the icing on the cake, Computerbase managed to reveal the reference GTX 970 and GTX 980 as well as GTX 970 Phantom GPUs.

Gainward GeForce GTX 980 _2

NVIDIA GeForce GTX 980 Specifications

 GeForce GTX 980GeForce GTX 780 Ti GeForce GTX 780 
Architecture MaxwellKeplerKepler
Process28 nm28 nm28 nm
GPU GM204-400 GK110-425GK110-300
Die Size 398 mm² 581 mm² 561 mm²
Transistors 5.2 billion 3.54 billion 7.1 billion
CUDA Cores 204828802304
TMUs 128240192
ROPs 644848
Base Clock 1126 MHz875 MHz863 MHz
Boost Clock 1216 MHz926 MHz900 MHz
Memory Clock 1750 MHz1750 MHz1502 MHz
Memory Size 4 GB GDDR53 GB GDDR53 GB GDDR5
Memory Bus 256-bit384-bit384-bit
Memory Bandwidth 224 GB/s336 GB/s288 GB/s
Pixel Fillrate 72.1 GP/s53.3 GP/s 41.4 GP/s
Texture Fillrate 144 GT/s213 GT/s166 GT/s
Power Connectors 2 x 6-pin8-pin + 6-pin8-pin + 6-pin
TDP 165 W250 W250 W
Launch Date Sep 19th, 2014Nov 7th, 2013May 23rd, 2013

NVIDIA GeForce GTX 980 Block Diagram

NVIDIA Maxwell GM204 _2

The GM204 die has been split in to four Graphics Processing Clusters (GPCs). Each GPC has four SMM units and each SMM has 128 cores. There are four 64b memory controllers and the GPU comes with 2 MB L2 cache. The die size (391 mm²) has been reduced significantly compared to GTX 780 Ti and GTX 780. NVIDIA was not able to build the GPU using the 20 nm manufacturing process but we are quite sure that GTX 980 Ti will be on 20 nm process.

Gainward GeForce GTX 980 Reference

Gainward GeForce GTX 980 _1

Gainward’s GeForce GTX 980 will be based on the reference design and no factory overclocks. The reference cooler is identical to what we have seen with GTX TITAN, GTX 780 Ti, GTX 780 and GTX 770 but slight modifications have been made. A slight extension of the shroud can be seen at the bottom of the GPU and a new backplate has been installed at the back. There is a removal part at the backplate but we do not know the purpose of it yet but the overall design is the same. The cooler features a vapor chamber design with a big aluminum fin stack being cooled by a blower type fan at the end. GeForce GTX 980 features one DVI port, one HDMI port and three Displayports.

Gainward GeForce GTX 970 Reference

Gainward GeForce GTX 970 _1

The basic specifications remain the same for Gainward’s GeFoce GTX 970 reference GPU. It comes with 1664 CUDA cores, 138 TMUs and 32 ROPs. NVIDIA wants to price it competitively so it decided not to include the same more expensive cooler as the GTX 980. GeForce GTX 970 features a plastic shroud on top with the same vapor chamber design and blower type fan to cool the GPU. It comes with 4 GB GDDR5 memory spread across a 256-bit memory interface. Gainward has changed the layout of the display outputs- DVI-I port, HDMI 2.0 port and three mini-DisplayPorts.

Gainward GeForce GTX 970 Phantom

Gainward GeForce GTX 970 Phantom _1

Gainward’s GeForce GTX 970 Phantom is second custom variant we have seen today after ASUS’s STRIX GTX 970. The GPU comes with the same stealth cooler which was featured on last generation GPUs. The basic specifications remain the same except for the clock speeds. GTX 970 Phantom comes with slightly overclocked clock speeds of 1152 MHz with GPU Boost up to 1304 MHz, a massive increase compared to the reference design. The Phantom cooler features removable fans which are easier to clean and the top cover gives it a stealthier look. Both GTX 970s require 2 x 6-pin power connectors and share the same display outputs layout.

Gainward GeForce GTX 980 Gallery

Gainward GeForce GTX 980 _3

Gainward GeForce GTX 980 _4

Gainward GeForce GTX 970 Gallery

Gainward GeForce GTX 970 _2

Gainward GeForce GTX 970 _3

Gainward GeForce GTX 970 _4

Gainward GeForce GTX 970 Phantom Gallery

Gainward GeForce GTX 970 Phantom _2

Gainward GeForce GTX 970 Phantom _3

Gainward GeForce GTX 970 Phantom _4

Gainward GeForce GTX 970 Phantom _5

Source: Videocardz | Computerbase

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