NVIDIA GeForce GT 640 GF116 vs NVIDIA GeForce GTX 690 Full Specs

Summary

144 Shaders 720MHz	3,072 Shaders 1.06GHz
1.5GB DDR342.8GB/s	4GB GDDR5384.5GB/s
Peak·FP32·FP16 414.7 GFLOPS	Peak·FP32·FP16 6.5 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 75W	TDP 300W
Power Connectors -	Power Connectors 2x 8-Pin

Theoretical Performance

Clock Speed720MHz UC·Boost·OC	Clock Speed1058MHz UC·Base·Boost·OC
Peak OPS 414.7 GFLOPSFP32	Peak OPS 6.5 TFLOPSFP32
FP32 414.7 GFLOPS	FP32 6.5 TFLOPS
FP64 34.56 GFLOPS	FP64 270.8 GFLOPS
Pixel Rate 34.6 GPixel/s	Pixel Rate 33.9 GPixel/s
Texture Rate 34.6 GTexel/s	Texture Rate 135.4 GTexel/s

Core Config

Shaders 144 Shaders	Shaders 3,072 Shaders
TMUs 24 TMUs	TMUs 256 TMUs
ROPs 24 ROPs	ROPs 64 ROPs
SMs 3 SMs	SMs 16 SMs

Clocks

Base Clock -	Base Clock 915MHz
Boost Clock 720MHz	Boost Clock 1.06GHz
Shader Clock 1.44GHz	Shader Clock -

Cache

L2 Cache 384KB shared

L2 Cache 512KB shared

Memory

1.5GB DDR3	4GB GDDR5
Memory Bus 192-bit	Memory Bus 256-bit
Memory Speed 1.8GT/s	Memory Speed 6GT/s
Memory Bandwidth 42.8GB/s	Memory Bandwidth 384.5GB/s
ECC No	ECC No

Power & Thermals

TDP 75W

TDP 300W

Video Output

Multi-Monitor 2

Multi-Monitor 4

Ports

- 1x HDMI 1.3 1x DVI-I Dual-Link - 1x VGA

1x Mini DisplayPort 1.2 - 2x DVI-I Dual-Link 1x DVI-D Dual-Link -

Encoder

-	Encoder Model NVENC 1
Codec -	Codec AVC (H.264)

Decoder

Decoder Model VP4	Decoder Model NVDEC 1
Codec -	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1.5-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 145 mm (5.71") Depth 30 mm (1.18")	Height 111 mm (4.37") Width 279 mm (10.98") Depth 38 mm (1.5")
Cooling Open-Air 1x Fan	Cooling Open-Air 1x Fan
Power Connectors -	Power Connectors 2x 8-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Fermi	Architecture Kepler
Family GeForce 600	Family GeForce 600
Branding	Branding
Codename NVCF	Codename NVE4
Chip Variant -	Chip Variant GK104-200-KD-A2
Market Segment Desktop	Market Segment Desktop
Release Date Apr 24, 2012	Release Date Apr 29, 2012

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 40nm	Fabrication Node 28nm
Die Size 238mm²	Die Size 294mm²
Transistor Count 1.2 Billion	Transistor Count 3.5 Billion
Transistor Density 4.92 MTr/mm²	Transistor Density 12.04 MTr/mm²

Images