NVIDIA GeForce GT 545 1GB vs NVIDIA GeForce GTX 550 Ti Full Specs

Summary

144 Shaders 870MHz	192 Shaders 900MHz
1GB GDDR564GB/s	65.7GB/s
Peak·FP32·FP16 501.1 GFLOPS	Peak·FP32·FP16 691.2 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 105W	TDP 116W
Power Connectors -	Power Connectors 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

GeForce GT 545 1GB501.1 GFLOPSFP32

x1

GeForce GTX 550 Ti691.2 GFLOPSFP32

x1.38

Show Top Score

Theoretical Performance

Clock Speed870MHz UC·Boost·OC	Clock Speed900MHz UC·Boost·OC
Peak OPS 501.1 GFLOPSFP32	Peak OPS 691.2 GFLOPSFP32
FP32 501.1 GFLOPS	FP32 691.2 GFLOPS
FP64 41.76 GFLOPS	FP64 57.6 GFLOPS
Pixel Rate 27.8 GPixel/s	Pixel Rate 43.2 GPixel/s
Texture Rate 41.8 GTexel/s	Texture Rate 57.6 GTexel/s

Core Config

Shaders 144 Shaders	Shaders 192 Shaders
TMUs 24 TMUs	TMUs 32 TMUs
ROPs 16 ROPs	ROPs 24 ROPs
SMs 3 SMs	SMs 4 SMs

Clocks

Boost Clock 870MHz	Boost Clock 900MHz
Shader Clock 1.74GHz	Shader Clock 1.8GHz

Cache

L2 Cache 384KB shared

L2 Cache 384KB shared

Memory

1GB GDDR5	-
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 4GT/s	Memory Speed 4.1GT/s
Memory Bandwidth 64GB/s	Memory Bandwidth 65.7GB/s
ECC No	ECC No

Power & Thermals

TDP 105W

TDP 116W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

1x HDMI 1.3	-
-	1x Mini HDMI 1.3
1x DVI-I Dual-Link	2x DVI-I Dual-Link
1x VGA	-

Decoder

Decoder Model VP4

Decoder Model VP4

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 160 mm (6.3") Depth 20 mm (0.79")	Height 111 mm (4.37") Width 210 mm (8.27") Depth 38 mm (1.5")
Cooling Blower 1x Fan	Cooling Open-Air 1x Fan
Power Connectors -	Power Connectors 1x 6-Pin

Chip

Manufacturer NVIDIA	Manufacturer NVIDIA
Chip Designer NVIDIA	Chip Designer NVIDIA
Architecture Fermi	Architecture Fermi
Family GeForce 500	Family GeForce 500
Branding	Branding
Codename NVCF	Codename NVCF
Market Segment Desktop	Market Segment Desktop
Release Date May 14, 2011	Release Date Mar 15, 2011

Fabrication

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

Images

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