CPUBoss Review Our evaluation of E3-1281 v3 vs 4770K 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

8.5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1281 v3 

CPUBoss recommends the Intel Xeon E3-1281 v3  based on its performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1281 v3

Reasons to consider the
Intel Xeon E3-1281 v3

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Higher clock speed 3.7 GHz vs 3.5 GHz More than 5% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark (Single core) score 2,323 vs 2,165 More than 5% better PassMark (Single core) score
Newer May, 2014 vs Jun, 2013 Release date 11 months later
Front view of Intel Core i7 4770K

Reasons to consider the
Intel Core i7 4770K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per watt 11.3 pt/W vs 4.14 pt/W Around 2.8x better performance per watt

Benchmarks Real world tests of Xeon E3-1281 v3 vs Core i7 4770K

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1281 v3  vs
Core i7 4770K 
Clock speed 3.7 GHz 3.5 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s

details

Xeon E3-1281 v3  vs
Core i7 4770K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
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

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

power consumption

TDP 82W 84W
Annual home energy cost 19.75 $/year 20.24 $/year
Annual commercial energy cost 71.83 $/year 73.58 $/year
Performance per watt 4.14 pt/W 11.3 pt/W
Typical power consumption 66.63W 68.25W

bus

Architecture DMI DMI 2.0
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Xeon E3-1281 v3
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Intel Core i7 4770K
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