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Gigabyte GeForce GTX 660 Ti Overclock Edition Graphics Card

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Today we'll begin reviewing graphics cards based on NVIDIA GeForce GTX 660 Ti GPU. Considerably cheaper than GeForce GTX 670/680 and performing just a little slower than GeForce GTX 670, the GeForce GTX 660 Ti looks rather attractive. Today we'll take a closer look at the Gigabyte implementation of the promising GPU.


  • GPU: GeForce GTX 660 Ti (GK104)
  • Interface: PCIe 3.0 x16
  • GPU clock rate (ROPs/shaders): 1033–1098 MHz (the standard is 915–1058 MHz)
  • Memory clock rate, physical (effective): 1502 (6008) MHz (standard)
  • Memory bus: 192-bit
  • Stream processors: 1344
  • Texture units: 112 (BLF/TLF/ANIS)
  • ROP units: 24
  • Dimensions: 266x137x42 mm
  • PCB color: dark blue
  • Peak power consumption (3D/2D/standby): 156/52/40 W
  • Output connectors: DVI-I, DVI-D, HDMI 1.4a, DisplayPort 1.2
  • Multi-GPU mode: hardware SLI

Comparison with the reference design, front view

Gigabyte GeForce GTX 660 Ti Overclock Edition Reference NVIDIA GeForce GTX 670

Comparison with the reference design, rear view

Gigabyte GeForce GTX 660 Ti Overclock Edition Reference NVIDIA GeForce GTX 670

Why do we compare it with the GeForce GTX 670? Because the design of GTX 660 Ti is based the GTX 670's design: we have the same 8 memory seats on the front, but just 4 on the back instead of 8, due to memory bus reduction from 256 to 192 bits.

The Gigabyte GeForce GTX 660 Ti Overclock Edition has an original design, although with a standard 4-phase GPU and a 2-phase memory VRM. The outputs are the same as on the reference card as well: DVI-I, DVI-D, Display Port, and HDMI (with sound transmission enabled). The video adapter demands supplementary power through a pair of 6-pin connectors.

Maximum resolutions and frequencies:

  • 240 Hz maximum refresh rate
  • 2048 x 1536 @ 85 Hz max. analog (VGA) resolution
  • 2560 x 1600 @ 60 Hz max. digital (DVI) resolution (for Dual Link DVI-D)

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