CPUBoss Review Our evaluation of X5650 vs E5-2620 among all CPUs

Performance

Benchmark performance using all cores
Xeon X5650
6.2
Xeon E5-2620
6.0
Core i7 3770K
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Xeon X5650
8.1
Xeon E5-2620
7.9
Core i7 3770K
9.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Xeon X5650
n.d.
Xeon E5-2620
n.d.
Core i7 3770K
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Xeon X5650
0.0
Xeon E5-2620
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 X5650
5.0
Xeon E5-2620
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 X5650
n.d.
Xeon E5-2620
n.d.
Core i7 3770K
8.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
5.4

CPUBoss Score

Combination of all six facets
Xeon X5650
5.4
Xeon E5-2620
5.3
Core i7 3770K
8.6

Winner
Intel Xeon X5650 

CPUBoss recommends the Intel Xeon X5650  based on its .

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VS

Intel Xeon X5650

Front view of Intel Xeon X5650
Front view of Intel Xeon E5-2620

Intel Xeon E5-2620

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Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much higher clock speed 2.66 GHz vs 2 GHz Around 35% higher clock speed
Significantly higher turbo clock speed 3.06 GHz vs 2.5 GHz More than 20% higher turbo clock speed
Much higher Maximum operating temperature 81.3 °C vs 77.4 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Air) 3.84 GHz vs 2.28 GHz Around 70% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.64 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Water)
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
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 X5650 vs E5-2620

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5650
22,313
Xeon E5-2620
10,510

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5650
2,176
Xeon E5-2620
1,736

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5650
1,470,000 MB/s
Xeon E5-2620
1,315,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5650
13,247
Xeon E5-2620
12,059

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5650
13,603
Xeon E5-2620
13,391

GeekBench

Xeon X5650
14,009
Xeon E5-2620
13,391

PassMark Data courtesy Passmark

Xeon X5650
7,510
Xeon E5-2620
7,957

PassMark (Single Core)

Xeon X5650
1,234
Xeon E5-2620
1,231

Specifications Full list of technical specs

summary

 Xeon X5650  vs
E5-2620 
Clock speed 2.66 GHz 2 GHz
Turbo clock speed 3.06 GHz 2.5 GHz
Cores Hexa core Hexa 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 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 7.89 pt/W 6.57 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 Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 42,666.64 MB/s
Maximum memory size 294,912 MB 393,216 MB

details

 Xeon X5650  vs
E5-2620 
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 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 20 25
Voltage range 0.75 - 1.35V 0.6 - 1.35V
Operating temperature Unknown - 81.3°C Unknown - 77.4°C

overclocking
Overclock popularity 11 4
Overclocked clock speed 3.84 GHz 2.28 GHz
Overclocked clock speed (Water) 4.64 GHz 2 GHz
Overclocked clock speed (Air) 3.84 GHz 2.28 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 57,600 MB/s
Transfer rate 6,400 MT/s 7,200 MT/s
Clock speed 3,200 MHz 3,600 MHz
Intel Xeon X5650
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Intel Xeon E5-2620
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