NVIDIA GeForce GT 630 vs NVIDIA GeForce GTX 660 Full Specs

Summary

192 Shaders 875MHz	960 Shaders 1.08GHz
1GB DDR328.5GB/s	2GB GDDR5144.2GB/s
Peak·FP32·FP16 336 GFLOPS	Peak·FP32·FP16 2.08 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 50W	TDP 140W
Power Connectors -	Power Connectors 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 630336 GFLOPSFP32

x1

GeForce GTX 6602.08 TFLOPSFP32

x6.19

Show Top Score

Theoretical Performance

Clock Speed875MHz UC·Boost·OC	Clock Speed1084MHz UC·Base·Boost·OC
Peak OPS 336 GFLOPSFP32	Peak OPS 2.08 TFLOPSFP32
FP32 336 GFLOPS	FP32 2.08 TFLOPS
FP64 14 GFLOPS	FP64 86.72 GFLOPS
Pixel Rate 14 GPixel/s	Pixel Rate 26 GPixel/s
Texture Rate 14 GTexel/s	Texture Rate 86.7 GTexel/s

Core Config

Shaders 192 Shaders	Shaders 960 Shaders
TMUs 16 TMUs	TMUs 80 TMUs
ROPs 16 ROPs	ROPs 24 ROPs
SM 1 SM	SMs 5 SMs

Clocks

Base Clock -	Base Clock 980MHz
Boost Clock 875MHz	Boost Clock 1.08GHz

Cache

L2 Cache 128KB shared

L2 Cache 512KB shared

Memory

1GB DDR3	2GB GDDR5
Memory Bus 128-bit	Memory Bus 192-bit
Memory Speed 1.8GT/s	Memory Speed 6GT/s
Memory Bandwidth 28.5GB/s	Memory Bandwidth 144.2GB/s

Power & Thermals

TDP 50W

TDP 140W

Video Output

Multi-Monitor 2

Multi-Monitor 3

Ports

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

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 1-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 145 mm (5.71") Depth 20 mm (0.79")	Height 111 mm (4.37") Width 241 mm (9.49") Depth 38 mm (1.5")
Cooling Open-Air 1x Fan	Cooling Blower 1x Fan
Power Connectors -	Power Connectors 1x 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 NVE7	Codename NVE6
Market Segment Desktop	Market Segment Desktop
Release Date Apr 24, 2012	Release Date Sep 13, 2012

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 28nm
Die Size 118mm²	Die Size 221mm²
Transistor Count 1.3 Billion	Transistor Count 2.5 Billion
Transistor Density 10.76 MTr/mm²	Transistor Density 11.49 MTr/mm²

Images

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