CPUBoss Review Our evaluation of E5-2620 vs E5-1650 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

5.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-1650 

CPUBoss recommends the Intel Xeon E5-1650  based on its single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

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Significantly more l3 cache 15 MB vs 12 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Supports more RAM 393,216 MB vs 262,144 MB Supports 50% more RAM
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Front view of Intel Xeon E5-1650

Reasons to consider the
Intel Xeon E5-1650

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Much higher clock speed 3.2 GHz vs 2 GHz More than 60% higher clock speed
Much higher turbo clock speed 3.8 GHz vs 2.5 GHz More than 50% higher turbo clock speed
Much better PassMark (Single core) score 1,922 vs 1,231 More than 55% better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.53 GHz vs 2.28 GHz Around 2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.7 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2620 vs E5-1650

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2620
10,510
Xeon E5-1650
16,658

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2620
1,315,000 MB/s
Xeon E5-1650
2,210,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-2620
12,059
Xeon E5-1650
18,198

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5-2620
13,391
Xeon E5-1650
19,270

GeekBench

Xeon E5-2620
13,391
Xeon E5-1650
19,270

PassMark Data courtesy Passmark

Xeon E5-2620
7,957
Xeon E5-1650
11,790

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2620  vs
E5-1650 
Clock speed 2 GHz 3.2 GHz
Turbo clock speed 2.5 GHz 3.8 GHz
Cores Hexa 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 95W 130W
Annual home energy cost 22.89 $/year 31.32 $/year
Annual commercial energy cost 83.22 $/year 113.88 $/year
Performance per watt 6.57 pt/W 7.9 pt/W
Typical power consumption 77.19W 105.63W

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 42,666.64 MB/s 51,200 MB/s
Maximum memory size 393,216 MB 262,144 MB

details

Xeon E5-2620  vs
E5-1650 
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 15 MB 12 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Clock multiplier 25 38
Voltage range 0.6 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 77.4°C Unknown - 64°C

overclocking

Overclocked clock speed 2.28 GHz 4.53 GHz
Overclocked clock speed (Water) 2 GHz 4.7 GHz
Overclocked clock speed (Air) 2.28 GHz 4.53 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 0
Transfer rate 7,200 MT/s 0 MT/s
Clock speed 3,600 MHz 0 MHz
Intel Xeon E5-2620
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Intel Xeon E5-1650
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