Intel Xeon L5408 vs E5450

older Released February, 2008

Intel Xeon L5408

2.13 GHz
Quad core

Front view of Intel Xeon L5408

5.1 Out of 10

Reasons to buy the Intel Xeon L5408

	Significantly lower typical power consumption 32.5W		Significantly lower annual commercial energy cost 35.04 $/year
	Significantly lower annual home energy cost 9.64 $/year

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older Released November, 2007

Intel Xeon E5450

3 GHz
Quad core

Front view of Intel Xeon E5450

5.2 Out of 10

Reasons to buy the E5450

Much higher clock speed

3 GHz

Much better overclocked clock speed (Air)

3.83 GHz

	Performance
	Benchmark performance using all cores
Xeon L5408 5.3 Xeon E5450 5.5 Core2 Quad Q9650 5.5
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon L5408 5.8 Xeon E5450 6.2 Core2 Quad Q9650 6.2
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon L5408 0.0 Xeon E5450 0.0 Core2 Quad Q9650 0.0
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon L5408 0.0 Xeon E5450 0.0 Core2 Quad Q9650 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon L5408 5.1 Xeon E5450 5.0 Core2 Quad Q9650 5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon L5408 n.d. Xeon E5450 n.d. Core2 Quad Q9650 n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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Intel Xeon L5408

Front view of Intel Xeon L5408

Front view of Intel Xeon E5450

Intel Xeon E5450

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Front view of Intel Xeon L5408

Reasons to consider the
Intel Xeon L5408

Report a correction

Significantly lower typical power consumption

32.5W

vs

65W

2x lower typical power consumption

Significantly lower annual commercial energy cost

35.04 $/year

vs

70.08 $/year

2x lower annual commercial energy cost

Significantly lower annual home energy cost

9.64 $/year

vs

19.27 $/year

2x lower annual home energy cost

Front view of Intel Xeon E5450

Reasons to consider the
Intel Xeon E5450

Report a correction

Much higher clock speed

3 GHz

vs

2.13 GHz

More than 40% higher clock speed

Much better overclocked clock speed (Air)

3.83 GHz

vs

3.34 GHz

Around 15% better overclocked clock speed (Air)

GeekBench 3 (Multi-core) Data courtesy Primate Labs

6,095

6,390

GeekBench 3 (Single core) Data courtesy Primate Labs

1,324

1,619

GeekBench 3 (AES single core) Data courtesy Primate Labs

105,400 MB/s

128,600 MB/s

PassMark Data courtesy Passmark

2,987

4,244

PassMark (Single Core)

932

1,270

summary	Xeon L5408	vs	E5450
Clock speed	2.13 GHz		3 GHz
Cores	Quad core		Quad core
Socket type
LGA 771
features
Has a NX bit	Yes		Yes
Supports trusted computing	No		No
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	40W		80W
Annual home energy cost	9.64 $/year		19.27 $/year
Annual commercial energy cost	35.04 $/year		70.08 $/year
Performance per watt	3.41 pt/W		2.1 pt/W
Typical power consumption	32.5W		65W
bus
Architecture	FSB		FSB
Number of links	1		1
Clock speed	1,066 MHz		1,333 MHz

details	Xeon L5408	vs	E5450
Architecture	x86-64		x86-64
Threads	4		4
L2 cache	12 MB		12 MB
L2 cache per core	3 MB/core		3 MB/core
Manufacture process	45 nm		45 nm
Transistor count	820,000,000		820,000,000
Max CPUs	2		2
Clock multiplier	8		9
Voltage range	0.85 - 1.35V		0.85 - 1.35V
Operating temperature	Unknown - 72°C		Unknown - 67°C
overclocking
Overclocked clock speed	3.34 GHz		3.83 GHz
Overclocked clock speed (Water)	4.12 GHz		4.1 GHz
Overclocked clock speed (Air)	3.34 GHz		3.83 GHz
integrated graphics
GPU	None		None
Label	N/A		N/A
Latest DirectX	N/A		N/A
Number of displays supported	N/A		N/A
GPU clock speed	N/A		N/A
Turbo clock speed	N/A		N/A
3DMark06	N/A		N/A

Intel Xeon L5408

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Intel Xeon E5450

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Intel Xeon E5450 vs Core2 Quad Q9650

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