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Gigabyte GeForce GTX 780 Windforce 3X OC - Faster, Cooler, More Powerful

By James Lu - 28 May 2013
Launch SRP: S$999

Gigabyte GeForce GTX 780 Windforce 3X OC

Meet the Gigabyte GeForce GTX 780 Windforce 3X OC

NVIDIA's latest flagship graphics card, the GK110-based GeForce GTX 780, impressed us in our reference card review, with performance very close to, and even exceeding, NVIDIA's GTX Titan on some benchmarks. How will a factory-overclocked, custom card fare? Let's find out.

 

Gigabyte's GeForce GTX 780 Windforce 3X OC is overclocked 91MHz at the core, raising core clock speeds from 863MHz to an impressive 954MHz, although memory remains clocked at the default 6008MHz DDR. Like the reference card, it features a 3GB frame buffer.

As its Windforce 3X name would suggest, the card sports a custom triple fan cooler comprising of three 80mm fans mounted onto a skeletonized fanshroud, and a full aluminum fin-stack that covers the voltage regulator and memory area, all connected to two 8mm and four 6mm thick heat pipes.  

The dual-slot cooler isn't much larger than the reference design, measuring 292 x 129 x 43mm. Like the reference design, it requires one 8-pin and one 6-pin Molex power connector. 

Gigabyte's GTX 780 is cooled by its custom triple-fan Windforce 3X cooler.

Ports-wise, the Gigabyte GTX 780 is the same as the reference card, sporting one DVI-D port, one DVI-I port, one HDMI port and one DisplayPort port.

 

 Gigabyte is using the reference PCB on this model.

The Gigabyte GTX 780 comes with Gigabyte's OC Guru II software, which supports control for NVIDIA's GPU Boost 2.0 technology and also provides an easy way to tweak and monitor core clock, memory clock, fan speed, gpu voltage and memory voltage. Locally, the card comes with a 3-year warranty period and it has an SRP of just S$999. It will be quite interesting to see how this windy card performs.

But before we begin drilling down, here's how the Gigabyte GeForce GTX 780 Windforce 3X OC compares against its competition:

Gigabyte GeForce GTX 780 Windforce 3X OC and competitive SKUs compared
  Gigabyte GeForce GTX 780 Windforce 3X OC NVIDIA GeForce GTX 780 NVIDIA GeForce GTX Titan NVIDIA GeForce GTX 680 (Reference Card) AMD Radeon HD 7970 GHz Edition 3GB DDR5 NVIDIA GeForce GTX 690 (reference card)
  Gigabyte GeForce GTX 780 Windforce 3X OC NVIDIA GeForce GTX 780 NVIDIA GeForce GTX Titan NVIDIA GeForce GTX 680 (Reference Card) AMD Radeon HD 7970 GHz Edition 3GB DDR5 NVIDIA GeForce GTX 690 (reference card)
Core Code
  • GK110
  • GK110
  • GK110
  • GK104
  • Tahiti XT
  • GK104
GPU Transistor Count
  • 7.1 billion
  • 7.1 billion
  • 7.1 billion
  • 3.54 billion
  • 4300 million
  • 7080 million
Manufacturing Process
  • 28nm
  • 28nm
  • 28nm
  • 28nm
  • 28nm
  • 28nm
Core Clock
  • 954MHz
  • 863MHz
  • 836MHz
  • 1006MHz
  • 1050MHz
  • 915MHz
Stream Processors
  • 2304
  • 2304
  • 2688
  • 1536 CUDA cores
  • 2048 Stream processing units
  • 3072
Stream Processor Clock
  • 954MHz
  • 863MHz
  • 836MHz
  • 1006MHz
  • 1050MHz
  • 915MHz
Texture Mapping Units (TMUs)
  • 192
  • 192
  • 224
  • 128
  • 128
  • 256
Raster Operator units (ROP)
  • 48
  • 48
  • 48
  • 32
  • 32
  • 256
Memory Clock (DDR)
  • 6008MHz
  • 6008MHz
  • 6008MHz
  • 6008MHz
  • 6000MHz DDR (GDDR5)
  • 6008MHz DDR
Memory Bus width
  • 384-bit
  • 384-bit
  • 384-bit
  • 256-bit
  • 384-bit
  • 256-bit
Memory Bandwidth
  • 288.4 GB/s
  • 288.4 GB/s
  • 288.4 GB/s
  • 192.3GB/s
  • 288GB/s
  • 384.4 GB/s (192.2 GB/s per GPU)
PCI Express Interface
  • PCI Express 3.0
  • PCI Express 3.0
  • PCI Express 3.0
  • PCIe ver 3.0 x16
  • PCIe ver 3.0 x16
  • PCIe v3.0 x16
Power Connectors
  • 1 x 6-pin, 1 x 8-pin
  • 1 x 6-pin, 1 x 8-pin
  • 1 x 6-pin, 1 x 8-pin
  • 2 x 6-pin
  • 1 x 6-pin, 1 x 8-pin
  • 2 x 8-pin
Multi GPU Technology
  • SLI
  • SLI
  • SLI
  • SLI
  • CrossFireX
  • SLI
DVI Outputs
  • 2
  • 2
  • 2
  • 2
  • 1 x Dual-Link
  • 3 x Dual-Link
HDMI Outputs
  • 1
  • 1
  • 1
  • 1
  • 1
DisplayPort Outputs
  • 1
  • 1
  • 1
  • 1
  • 2 (version 1.2 HBR2)
  • 1 x Mini-DisplayPort
HDCP Output Support
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes

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9.0
  • Performance 9.5
  • Features 9
  • Value 9
The Good
Generous 91MHz core factory overclock
Excellent overclocking potential
Very effective triple-fan cooler
The Bad
None to speak of!
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