NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 670 Full Specs

Summary

960 Shaders 1.08GHz	1,344 Shaders 1.08GHz
2GB GDDR5144.2GB/s	2GB GDDR5192.3GB/s
Peak·FP32·FP16 2.08 TFLOPS	Peak·FP32·FP16 2.91 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 140W	TDP 170W
Power Connectors 1x 6-Pin	Power Connectors 2x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GTX 6602.08 TFLOPSFP32

x1

GeForce GTX 6702.91 TFLOPSFP32

x1.40

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Theoretical Performance

Clock Speed1084MHz UC·Base·Boost·OC	Clock Speed1084MHz UC·Base·Boost·OC
Peak OPS 2.08 TFLOPSFP32	Peak OPS 2.91 TFLOPSFP32
FP32 2.08 TFLOPS	FP32 2.91 TFLOPS
FP64 86.72 GFLOPS	FP64 121.4 GFLOPS
Pixel Rate 26 GPixel/s	Pixel Rate 34.7 GPixel/s
Texture Rate 86.7 GTexel/s	Texture Rate 121.4 GTexel/s

Core Config

Shaders 960 Shaders	Shaders 1,344 Shaders
TMUs 80 TMUs	TMUs 112 TMUs
ROPs 24 ROPs	ROPs 32 ROPs
SMs 5 SMs	SMs 7 SMs

Clocks

Base Clock 980MHz	Base Clock 915MHz
Boost Clock 1.08GHz	Boost Clock 1.08GHz

Cache

L2 Cache 512KB shared

L2 Cache 512KB shared

Memory

2GB GDDR5	2GB GDDR5
Memory Bus 192-bit	Memory Bus 256-bit
Memory Speed 6GT/s	Memory Speed 6GT/s
Memory Bandwidth 144.2GB/s	Memory Bandwidth 192.3GB/s

Power & Thermals

TDP 140W

TDP 170W

Video Output

Multi-Monitor 3

Multi-Monitor 3

Ports

1x DisplayPort 1.2	1x DisplayPort 1.2
1x HDMI 1.4	1x HDMI 1.4
1x DVI-D Dual-Link	1x DVI-D Dual-Link
1x DVI-I Dual-Link	1x DVI-I Dual-Link

Encoder

Encoder Model NVENC 1

Encoder Model NVENC 1

Decoder

Decoder Model NVDEC 1

Decoder Model NVDEC 1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 241 mm (9.49") Depth 38 mm (1.5")	Height 111 mm (4.37") Width 241 mm (9.49") Depth 38 mm (1.5")
Cooling Blower 1x Fan	Cooling Blower 1x Fan
Power Connectors 1x 6-Pin	Power Connectors 2x 6-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Kepler	Architecture Kepler
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NVE6	Codename NVE4
Chip Variant -	Chip Variant GK104-200-KD-A2
Market Segment Desktop	Market Segment Desktop
Release Date Sep 13, 2012	Release Date May 10, 2012

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 221mm²	Die Size 294mm²
Transistor Count 2.5 Billion	Transistor Count 3.5 Billion
Transistor Density 11.49 MTr/mm²	Transistor Density 12.04 MTr/mm²

Images

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