CPUBoss Review Our evaluation of E5-2670 vs E5-2620 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

Cast your vote Do you agree or disagree with CPUBoss?

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VS

Intel Xeon E5-2670

CPUBoss Winner
Front view of Intel Xeon E5-2670

Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Significantly higher turbo clock speed 3.3 GHz vs 2.5 GHz More than 30% higher turbo clock speed
Significantly higher clock speed 2.6 GHz vs 2 GHz More than 30% higher clock speed
Much higher Maximum operating temperature 80 °C vs 77.4 °C Around 5% higher Maximum operating temperature
Significantly better PassMark score 12,270 vs 7,957 Around 55% better PassMark score
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Significantly better overclocked clock speed (Air) 3.14 GHz vs 2.22 GHz More than 40% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,590 vs 1,231 Around 30% better PassMark (Single core) score
Better performance per watt 7.32 pt/W vs 6.58 pt/W More than 10% better performance per watt
Much better overclocked clock speed (Water) 3.13 GHz vs 2 GHz More than 55% better overclocked clock speed (Water)
Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

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Much lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Much more l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Significantly better performance per dollar 5.24 pt/$ vs 5.2 pt/$ Almost the same
Much lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2670 vs E5-2620

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2670
14,255
Xeon E5-2620
10,510

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2670
1,740,000 MB/s
Xeon E5-2620
1,315,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2670
22,189
Xeon E5-2620
12,059

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5-2670
15,347
Xeon E5-2620
13,391

GeekBench

Xeon E5-2670
22,189
Xeon E5-2620
13,391

PassMark Data courtesy Passmark

Xeon E5-2670
12,270
Xeon E5-2620
7,957

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
E5-2620 
Clock speed 2.6 GHz 2 GHz
Turbo clock speed 3.3 GHz 2.5 GHz
Cores Octa core Hexa core
Socket type
LGA 2011

features

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

power consumption

TDP 115W 95W
Annual home energy cost 27.7 $/year 22.89 $/year
Annual commercial energy cost 100.74 $/year 83.22 $/year
Performance per watt 7.32 pt/W 6.58 pt/W
Typical power consumption 93.44W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 42,666.64 MB/s
Maximum memory size 393,216 MB 393,216 MB

details

Xeon E5-2670  vs
E5-2620 
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 20 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 33 25
Voltage range 0.6 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 80°C Unknown - 77.4°C

overclocking

Overclock popularity 3 4
Overclocked clock speed 3.14 GHz 2.22 GHz
Overclocked clock speed (Water) 3.13 GHz 2 GHz
Overclocked clock speed (Air) 3.14 GHz 2.22 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 64,000 MB/s 57,600 MB/s
Transfer rate 8,000 MT/s 7,200 MT/s
Clock speed 4,000 MHz 3,600 MHz
Intel Xeon E5-2670
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Intel Xeon E5-2620
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