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Differences What are the advantages of each

Front view of Intel Xeon E3-1235

Reasons to consider the
Intel Xeon E3-1235

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly more l3 cache per core 2 MB/core vs 1.33 MB/core More than 50% more l3 cache per core
Better PassMark (Single core) score 1,838 vs 1,446 More than 25% better PassMark (Single core) score
Higher Maximum operating temperature 72.6 °C vs 62.5 °C More than 15% higher Maximum operating temperature
More threads 8 vs 6 2 more threads
Better PassMark score 7,685 vs 6,444 Around 20% better PassMark score
Front view of AMD FX 6300

Reasons to consider the
AMD FX 6300

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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 better performance per dollar 9.35 pt/$ vs 3.61 pt/$ More than 2.5x better performance per dollar
Higher turbo clock speed 4.1 GHz vs 3.6 GHz Around 15% higher turbo clock speed
Higher clock speed 3.5 GHz vs 3.2 GHz Around 10% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 4.75 GHz vs 3.2 GHz Around 50% better overclocked clock speed (Air)
More cores 6 vs 4 2 more cores; run more applications at once
Much better overclocked clock speed (Water) 4.82 GHz vs 3.2 GHz More than 50% better overclocked clock speed (Water)
Newer Oct, 2012 vs Apr, 2011 Release date over 1 years later

Benchmarks Real world tests of Xeon E3-1235 vs FX 6300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E3-1235
10,719
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E3-1235
2,769
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1235
2,275,000 MB/s
FX 6300
2,290,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E3-1235
10,351
FX 6300
7,447

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E3-1235
14,032
FX 6300
8,232

GeekBench

Xeon E3-1235
14,032
FX 6300
9,503

PassMark Data courtesy Passmark

Xeon E3-1235
7,685
FX 6300
6,444

PassMark (Single Core)

Xeon E3-1235
1,838
FX 6300
1,446

Specifications Full list of technical specs

summary

Xeon E3-1235  vs
FX 6300 
Clock speed 3.2 GHz 3.5 GHz
Turbo clock speed 3.6 GHz 4.1 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
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

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 10.27 pt/W 9.84 pt/W
Typical power consumption 77.19W 77.19W

details

Xeon E3-1235  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 8 MB 8 MB
L3 cache per core 2 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 32 20
Operating temperature Unknown - 72.6°C Unknown - 62.5°C

overclocking

Overclock popularity 0 82
Overclocked clock speed 3.2 GHz 4.75 GHz
Overclocked clock speed (Water) 3.2 GHz 4.82 GHz
Overclocked clock speed (Air) 3.2 GHz 4.75 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics P3000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,350 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 29,866.66 MB/s
Intel Xeon E3-1235
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AMD FX 6300
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