Intel Xeon E5440 vs Core2 Quad Q9550

older Released November, 2007

Intel Xeon E5440

2.83 GHz
Quad core

Front view of Intel Xeon E5440

4.6 Out of 10

Reasons to buy the Intel Xeon E5440

	Supports more CPUs in SMP configuration 2		Lower typical power consumption 65W
	Better geekbench 3 Multi-Core score 6,294		Lower annual home energy cost 19.27 $/year

VS

older Released January, 2008

Intel Core2 Quad Q9550

2.83 GHz
Quad core

Front view of Intel Core2 Quad Q9550

4.6 Out of 10

Reasons to buy the Core2 Quad Q9550

	Supports trusted computing Yes		Significantly better performance per dollar 0.5 pt/$
	Better overclocked clock speed (Air) 3.99 GHz		Higher Maximum operating temperature 71.4 °C

	Performance
	Benchmark performance using all cores
Xeon E5440 5.7 Core2 Quad Q9550 5.6 Core2 Quad Q6600 5.4
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon E5440 7.6 Core2 Quad Q9550 7.6 Core2 Quad Q6600 7.2
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon E5440 n.d. Core2 Quad Q9550 n.d. Core2 Quad Q6600 n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon E5440 0.0 Core2 Quad Q9550 0.0 Core2 Quad Q6600 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon E5440 5.1 Core2 Quad Q9550 5.0 Core2 Quad Q6600 5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon E5440 n.d. Core2 Quad Q9550 n.d. Core2 Quad Q6600 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 E5440

Front view of Intel Xeon E5440

Front view of Intel Core2 Quad Q9550

Intel Core2 Quad Q9550

CPUBoss Winner

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Front view of Intel Xeon E5440

Reasons to consider the
Intel Xeon E5440

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Supports more CPUs in SMP configuration

2

vs

1

Twice as many CPUs in SMP configuration

Lower typical power consumption

65W

vs

77.19W

More than 15% lower typical power consumption

Better geekbench 3 Multi-Core score

6,294

vs

5,498

Around 15% better geekbench 3 Multi-Core score

Lower annual home energy cost

19.27 $/year

vs

22.89 $/year

More than 15% lower annual home energy cost

Lower annual commercial energy cost

70.08 $/year

vs

83.22 $/year

More than 15% lower annual commercial energy cost

Front view of Intel Core2 Quad Q9550

Reasons to consider the
Intel Core2 Quad Q9550

Report a correction

Supports trusted computing

Yes

vs

No

Somewhat common; Allows for safer, more reliable computing

Significantly better performance per dollar

0.5 pt/$

vs

0.22 pt/$

More than 2.2x better performance per dollar

Better overclocked clock speed (Air)

3.99 GHz

vs

3.61 GHz

More than 10% better overclocked clock speed (Air)

Higher Maximum operating temperature

71.4 °C

vs

67 °C

More than 5% higher Maximum operating temperature

GeekBench 3 (Multi-core) Data courtesy Primate Labs

6,294

Core2 Quad Q9550

5,498

GeekBench 3 (Single core) Data courtesy Primate Labs

1,532

Core2 Quad Q9550

1,604

GeekBench 3 (AES single core) Data courtesy Primate Labs

120,650 MB/s

Core2 Quad Q9550

121,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

5,178

Core2 Quad Q9550

5,132

GeekBench

5,178

Core2 Quad Q9550

7,065

PassMark Data courtesy Passmark

4,000

Core2 Quad Q9550

4,002

PassMark (Single Core)

1,208

Core2 Quad Q9550

1,199

summary	Xeon E5440	vs	Core2 Quad Q9550
Clock speed	2.83 GHz		2.83 GHz
Cores	Quad core		Quad core
Socket type
LGA 771
LGA 775
features
Has a NX bit	Yes		Yes
Supports trusted computing	No		Yes
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	80W		95W
Annual home energy cost	19.27 $/year		22.89 $/year
Annual commercial energy cost	70.08 $/year		83.22 $/year
Performance per watt	2 pt/W		1.51 pt/W
Typical power consumption	65W		77.19W
bus
Architecture	FSB		FSB
Number of links	1		1
Clock speed	1,333 MHz		1,333 MHz

details	Xeon E5440	vs	Core2 Quad Q9550
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		1
Clock multiplier	8		8
Voltage range	0.85 - 1.35V		0.85 - 1.36V
Operating temperature	Unknown - 67°C		Unknown - 71.4°C
overclocking
Overclocked clock speed	3.61 GHz		3.99 GHz
Overclocked clock speed (Water)	3.96 GHz		4.03 GHz
Overclocked clock speed (Air)	3.61 GHz		3.99 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 E5440

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Intel Core2 Quad Q9550

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Intel Xeon E5450 vs E5440

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Intel Core2 Quad Q6600 vs Q9550

Comments

Showing 2 comments.

Robert Carra (06:17 AM, May 31, 2017)

ep45 chipset i was able to run my q9550 at 4 ghz on air

rayven (04:33 AM, May 12, 2016)

E5440 @ 3700 mhz (air)

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