CPUBoss Review Our evaluation of X5670 vs E5-2670 among all CPUs

Performance

Benchmark performance using all cores
Xeon X5670
6.3
Xeon E5-2670
6.6
Xeon X5650
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Xeon X5670
8.3
Xeon E5-2670
8.4
Xeon X5650
8.1
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Xeon X5670
n.d.
Xeon E5-2670
n.d.
Xeon X5650
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Xeon X5670
0.0
Xeon E5-2670
0.0
Xeon X5650
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Xeon X5670
5.0
Xeon E5-2670
5.0
Xeon X5650
5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Xeon X5670
n.d.
Xeon E5-2670
n.d.
Xeon X5650
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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VS

Intel Xeon X5670

Front view of Intel Xeon X5670
Front view of Intel Xeon E5-2670

Intel Xeon E5-2670

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Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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Much higher clock speed 2.93 GHz vs 2.6 GHz Around 15% higher clock speed
Much better overclocked clock speed (Air) 4.29 GHz vs 3.13 GHz More than 35% better overclocked clock speed (Air)
Much higher Maximum operating temperature 81.3 °C vs 80 °C Almost the same
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Much better overclocked clock speed (Water) 4.5 GHz vs 3.08 GHz More than 45% better overclocked clock speed (Water)
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost
Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Much more l3 cache 20 MB vs 12 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark (Single core) score 1,590 vs 1,347 Around 20% better PassMark (Single core) score
More threads 16 vs 12 4 more threads
Supports more RAM 393,216 MB vs 294,912 MB Supports around 35% more RAM
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Newer Mar, 2012 vs Mar, 2010 Release date over 2 years later

Benchmarks Real world tests of Xeon X5670 vs E5-2670

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5670
24,364
Xeon E5-2670
14,255

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5670
2,341
Xeon E5-2670
2,209

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5670
1,590,000 MB/s
Xeon E5-2670
1,740,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5670
13,847
Xeon E5-2670
22,189

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5670
14,780
Xeon E5-2670
15,347

GeekBench

Xeon X5670
14,780
Xeon E5-2670
22,189

PassMark Data courtesy Passmark

Xeon X5670
8,013
Xeon E5-2670
12,270

PassMark (Single Core)

Xeon X5670
1,347
Xeon E5-2670
1,590

Specifications Full list of technical specs

summary

 Xeon X5670  vs
E5-2670 
Clock speed 2.93 GHz 2.6 GHz
Turbo clock speed 3.33 GHz 3.3 GHz
Cores Hexa core Octa core
Socket type
LGA 1366
LGA 2011

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 95W 115W
Annual home energy cost 22.89 $/year 27.7 $/year
Annual commercial energy cost 83.22 $/year 100.74 $/year
Performance per watt 8.54 pt/W 7.31 pt/W
Typical power consumption 77.19W 93.44W

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 51,200 MB/s
Maximum memory size 294,912 MB 393,216 MB

details

 Xeon X5670  vs
E5-2670 
Architecture x86-64 x86-64
Threads 12 16
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 20 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 22 33
Voltage range 0.75 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 81.3°C Unknown - 80°C

overclocking
Overclock popularity 8 3
Overclocked clock speed 4.29 GHz 3.13 GHz
Overclocked clock speed (Water) 4.5 GHz 3.08 GHz
Overclocked clock speed (Air) 4.29 GHz 3.13 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 64,000 MB/s
Transfer rate 6,400 MT/s 8,000 MT/s
Clock speed 3,200 MHz 4,000 MHz
Intel Xeon X5670
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Intel Xeon E5-2670
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