CPUBoss Review Our evaluation of E5620 vs 6300 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
AMD FX 6300 

CPUBoss recommends the AMD FX 6300  based on its performance and single-core performance.

See full details

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VS
Front view of AMD FX 6300

AMD FX 6300

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5620

Reasons to consider the
Intel Xeon E5620

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Much better performance per dollar 15.69 pt/$ vs 11.71 pt/$ Around 35% better performance per dollar
Much more l3 cache per core 3 MB/core vs 1.33 MB/core More than 2.2x more l3 cache per core
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher Maximum operating temperature 77.6 °C vs 62.5 °C Around 25% higher Maximum operating temperature
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Front view of AMD FX 6300

Reasons to consider the
AMD FX 6300

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Much better geekbench 3 AES single core score 2,290,000 MB/s vs 1,280,000 MB/s Around 80% better geekbench 3 AES single core score
Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher turbo clock speed 4.1 GHz vs 2.66 GHz Around 55% higher turbo clock speed
Significantly higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Newer Oct, 2012 vs Mar, 2010 Release date over 2 years later
More cores 6 vs 4 2 more cores; run more applications at once
Better performance per watt 9.86 pt/W vs 7.6 pt/W Around 30% better performance per watt
Better overclocked clock speed (Air) 4.76 GHz vs 3.73 GHz Around 30% better overclocked clock speed (Air)
Slightly better PassMark score 6,444 vs 4,873 More than 30% better PassMark score

Benchmarks Real world tests of Xeon E5620 vs FX 6300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5620
14,086
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5620
1,898
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5620
1,280,000 MB/s
FX 6300
2,290,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5620
8,737
FX 6300
7,447

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5620
11,417
FX 6300
8,232

GeekBench

Xeon E5620
11,417
FX 6300
9,503

PassMark Data courtesy Passmark

Xeon E5620
4,873
FX 6300
6,444

PassMark (Single Core)

Xeon E5620
1,059
FX 6300
1,446

Specifications Full list of technical specs

summary

Xeon E5620  vs
FX 6300 
Clock speed 2.4 GHz 3.5 GHz
Turbo clock speed 2.66 GHz 4.1 GHz
Cores Quad core Hexa core
Socket type
LGA 1366
AM3+

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

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

Clock speed 2,930 MHz 2,600 MHz

details

Xeon E5620  vs
FX 6300 
Architecture x86-64 x86-64
Threads 8 6
L2 cache 1 MB 6 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 3 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Clock multiplier 18 20
Voltage range 0.75 - 1.35V 0.8 - 1.43V
Operating temperature Unknown - 77.6°C Unknown - 62.5°C

overclocking

Overclock popularity 12 82
Overclocked clock speed 3.73 GHz 4.76 GHz
Overclocked clock speed (Water) 4.33 GHz 4.81 GHz
Overclocked clock speed (Air) 3.73 GHz 4.76 GHz

power consumption

TDP 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Performance per watt 7.6 pt/W 9.86 pt/W
Typical power consumption 65W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,599.99 MB/s 29,866.66 MB/s
Intel Xeon E5620
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AMD FX 6300
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