CPUBoss Review Our evaluation of E3-1275 v3 vs E3-1245 v3

Performance

Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Cost to Run

Commercial Energy Cost

Value

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Cost to Run and Value

Winner
Intel Xeon E3-1275 v3 

CPUBoss recommends the Intel Xeon E3-1275 v3  based on its .

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Differences What are the advantages of each

Front view of Intel Xeon E3-1275 v3

Reasons to consider the
Intel Xeon E3-1275 v3

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Better turbo clock speed 1,250 MHz vs 1,200 MHz Around 5% better turbo clock speed
Better overclocked clock speed (Air) 3.9 GHz vs 3.4 GHz Around 15% better overclocked clock speed (Air)
Better performance per dollar 5.81 pt/$ vs 5.1 pt/$ Around 15% better performance per dollar
Front view of Intel Xeon E3-1245 v3

Reasons to consider the
Intel Xeon E3-1245 v3

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CPUBoss is not aware of any important advantages of the E3-1245 v3 vs the E3-1275 v3.

Benchmarks Real world tests of Xeon E3-1275 v3 vs E3-1245 v3

Specifications Full list of technical specs

summary

Xeon E3-1275 v3  vs
E3-1245 v3 
Clock speed 3.5 GHz 3.4 GHz
Turbo clock speed 3.9 GHz 3.8 GHz
Cores Quad core Quad core
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 84W 84W
Annual home energy cost 20.24 $/year 20.24 $/year
Annual commercial energy cost 73.58 $/year 73.58 $/year
Performance per watt 17.65 pt/W 17.3 pt/W
Typical power consumption 68.25W 68.25W

bus

Architecture DMI DMI
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1275 v3  vs
E3-1245 v3 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.9 GHz 3.4 GHz
Overclocked clock speed (Water) 3.5 GHz 3.4 GHz
Overclocked clock speed (Air) 3.9 GHz 3.4 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P4600 Intel® HD Graphics P4600
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,250 MHz 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1275 v3
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Intel Xeon E3-1245 v3
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