Intel Xeon X5355 vs E5345

older Released November, 2006

Intel Xeon X5355

2.66 GHz
Quad core

Front view of Intel Xeon X5355

4.6 Out of 10

Reasons to buy the Intel Xeon X5355

	Much higher clock speed 2.66 GHz		Much better overclocked clock speed (Air) 3.24 GHz
	Much better overclocked clock speed (Water) 2.66 GHz

VS

older Released November, 2006

Intel Xeon E5345

2.33 GHz
Quad core

Front view of Intel Xeon E5345

4.5 Out of 10

Reasons to buy the E5345

	Significantly lower typical power consumption 65W		Significantly lower annual commercial energy cost 70.08 $/year
	Significantly lower annual home energy cost 19.27 $/year

	Performance
	Benchmark performance using all cores
Xeon X5355 5.8 Xeon E5345 5.7 Xeon X5365 5.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon X5355 7.4 Xeon E5345 7.1 Xeon X5365 7.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon X5355 n.d. Xeon E5345 n.d. Xeon X5365 n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon X5355 0.0 Xeon E5345 0.0 Xeon X5365 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon X5355 5.0 Xeon E5345 5.1 Xeon X5365 5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon X5355 n.d. Xeon E5345 n.d. Xeon X5365 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 X5355

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Front view of Intel Xeon X5355

Front view of Intel Xeon E5345

Intel Xeon E5345

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Front view of Intel Xeon X5355

Reasons to consider the
Intel Xeon X5355

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Much higher clock speed

2.66 GHz

vs

2.33 GHz

Around 15% higher clock speed

Much better overclocked clock speed (Air)

3.24 GHz

vs

2.7 GHz

Around 20% better overclocked clock speed (Air)

Much better overclocked clock speed (Water)

2.66 GHz

vs

2.33 GHz

Around 15% better overclocked clock speed (Water)

Front view of Intel Xeon E5345

Reasons to consider the
Intel Xeon E5345

Report a correction

Significantly lower typical power consumption

65W

vs

97.5W

Around 35% lower typical power consumption

Significantly lower annual commercial energy cost

70.08 $/year

vs

105.12 $/year

Around 35% lower annual commercial energy cost

Significantly lower annual home energy cost

19.27 $/year

vs

28.91 $/year

Around 35% lower annual home energy cost

GeekBench 3 (Multi-core) Data courtesy Primate Labs

9,667

8,389

GeekBench 3 (Single core) Data courtesy Primate Labs

1,408

1,242

GeekBench 3 (AES single core) Data courtesy Primate Labs

108,000 MB/s

94,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

4,430

4,114

GeekBench

4,430

4,114

PassMark Data courtesy Passmark

3,266

2,958

PassMark (Single Core)

1,045

916

summary	Xeon X5355	vs	E5345
Clock speed	2.66 GHz		2.33 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
MMX
SSE
SSE2
SSE3
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	120W		80W
Annual home energy cost	28.91 $/year		19.27 $/year
Annual commercial energy cost	105.12 $/year		70.08 $/year
Performance per watt	1.37 pt/W		1.81 pt/W
Typical power consumption	97.5W		65W
memory controller
Memory controller	Built-in		Built-in
Supports ECC	No		No

details	Xeon X5355	vs	E5345
Architecture	x86-64		x86-64
Threads	4		4
L2 cache	8 MB		8 MB
L2 cache per core	2 MB/core		2 MB/core
Manufacture process	65 nm		65 nm
Transistor count	582,000,000		582,000,000
Max CPUs	2		2
Clock multiplier	8		7
Voltage range	1 - 1.5V		1 - 1.5V
Operating temperature	Unknown - 70°C		Unknown - 66°C
overclocking
Overclocked clock speed	3.24 GHz		2.7 GHz
Overclocked clock speed (Water)	2.66 GHz		2.33 GHz
Overclocked clock speed (Air)	3.24 GHz		2.7 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
bus
Architecture	FSB		FSB
Number of links	1		1
Clock speed	1,333 MHz		1,333 MHz

Intel Xeon X5355

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Intel Xeon E5345

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