Intel Xeon X5675 vs X5650

older Released February, 2011

Intel Xeon X5675

3.06 GHz
Hexa core

Front view of Intel Xeon X5675

5.5 Out of 10

Reasons to buy the Intel Xeon X5675

	Much higher clock speed 3.06 GHz		Much better PassMark (Single core) score 1,405
	Significantly higher turbo clock speed 3.46 GHz		Much better overclocked clock speed (Air) 4.29 GHz

VS

older Released March, 2010

Intel Xeon X5650

2.66 GHz
Hexa core

Front view of Intel Xeon X5650

5.4 Out of 10

Reasons to buy the X5650

Much better performance per dollar

1.44 pt/$

	Performance
	Benchmark performance using all cores
Xeon X5675 6.4 Xeon X5650 6.2 Core i7 3770K 6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon X5675 8.4 Xeon X5650 8.1 Core i7 3770K 9.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon X5675 n.d. Xeon X5650 n.d. Core i7 3770K n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon X5675 0.0 Xeon X5650 0.0 Core i7 3770K 6.1
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon X5675 5.0 Xeon X5650 5.0 Core i7 3770K 5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon X5675 n.d. Xeon X5650 n.d. Core i7 3770K 8.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.5	CPUBoss Score
	Combination of all six facets
Xeon X5675 5.5 Xeon X5650 5.4 Core i7 3770K 8.6

Winner
Intel Xeon X5675

CPUBoss recommends the Intel Xeon X5675 based on its single-core performance.

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Intel Xeon X5675

Front view of Intel Xeon X5675

Front view of Intel Xeon X5650

Intel Xeon X5650

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Front view of Intel Xeon X5675

Reasons to consider the
Intel Xeon X5675

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Much higher clock speed

3.06 GHz

vs

2.66 GHz

More than 15% higher clock speed

Much better PassMark (Single core) score

1,405

vs

1,234

Around 15% better PassMark (Single core) score

Significantly higher turbo clock speed

3.46 GHz

vs

3.06 GHz

Around 15% higher turbo clock speed

Much better overclocked clock speed (Air)

4.29 GHz

vs

3.84 GHz

More than 10% better overclocked clock speed (Air)

Better overclocked clock speed (Water)

4.77 GHz

vs

4.64 GHz

Around 5% better overclocked clock speed (Water)

Newer

Feb, 2011

vs

Mar, 2010

Release date 11 months later

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

Report a correction

Much better performance per dollar

1.44 pt/$

vs

0.6 pt/$

Around 2.5x better performance per dollar

GeekBench 3 (Multi-core) Data courtesy Primate Labs

25,323

22,313

GeekBench 3 (Single core) Data courtesy Primate Labs

2,418

2,176

GeekBench 3 (AES single core) Data courtesy Primate Labs

1,650,000 MB/s

1,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

13,025

13,247

GeekBench

13,025

14,009

PassMark Data courtesy Passmark

8,527

7,510

PassMark (Single Core)

1,405

1,234

summary	Xeon X5675	vs	X5650
Clock speed	3.06 GHz		2.66 GHz
Turbo clock speed	3.46 GHz		3.06 GHz
Cores	Hexa core		Hexa core
Socket type
LGA 1366
features
Has a NX bit	Yes		Yes
Supports trusted computing	Yes		Yes
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	95W		95W
Annual home energy cost	22.89 $/year		22.89 $/year
Annual commercial energy cost	83.22 $/year		83.22 $/year
Performance per watt	8.89 pt/W		7.89 pt/W
Typical power consumption	77.19W		77.19W
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels	Triple Channel		Triple Channel
Supports ECC	Yes		Yes
Maximum bandwidth	31,999.98 MB/s		31,999.98 MB/s
Maximum memory size	294,912 MB		294,912 MB

details	Xeon X5675	vs	X5650
Architecture	x86-64		x86-64
Threads	12		12
L2 cache	2 MB		2 MB
L2 cache per core	0.33 MB/core		0.33 MB/core
L3 cache	12 MB		12 MB
L3 cache per core	2 MB/core		2 MB/core
Manufacture process	32 nm		32 nm
Max CPUs	2		2
Clock multiplier	23		20
Voltage range	0.75 - 1.35V		0.75 - 1.35V
Operating temperature	Unknown - 81.3°C		Unknown - 81.3°C
overclocking
Overclock popularity	2		11
Overclocked clock speed	4.29 GHz		3.84 GHz
Overclocked clock speed (Water)	4.77 GHz		4.64 GHz
Overclocked clock speed (Air)	4.29 GHz		3.84 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	QPI		QPI
Number of links	2		2
Data rate	51,200 MB/s		51,200 MB/s
Transfer rate	6,400 MT/s		6,400 MT/s
Clock speed	3,200 MHz		3,200 MHz

Intel Xeon X5675

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Intel Xeon X5650

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