CPUBoss Review Our evaluation of X5677 vs 3770K among all CPUs

Performance

Benchmark performance using all cores
Xeon X5677
6.1
Core i7 3770K
7.4
FX 8350
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Xeon X5677
7.4
Core i7 3770K
8.5
FX 8350
7.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Xeon X5677
0.0
Core i7 3770K
7.2
FX 8350
0.0
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Xeon X5677
0.0
Core i7 3770K
6.7
FX 8350
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Xeon X5677
5.0
Core i7 3770K
5.3
FX 8350
5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Xeon X5677
n.d.
Core i7 3770K
6.1
FX 8350
5.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
8.1

CPUBoss Score

Combination of all six facets
Xeon X5677
5.3
Core i7 3770K
8.1
FX 8350
5.4

Winner
Intel Core i7 3770K 

CPUBoss recommends the Intel Core i7 3770K  based on its performance, single-core performance, power consumption and value.

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Intel Xeon X5677

Front view of Intel Xeon X5677
Front view of Intel Core i7 3770K

Intel Core i7 3770K

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Differences What are the advantages of each

Front view of Intel Xeon X5677

Reasons to consider the
Intel Xeon X5677

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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
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Lower typical power consumption 105.63W vs 114.97W Around 10% lower typical power consumption
Higher Maximum operating temperature 80.4 °C vs 67.4 °C Around 20% higher Maximum operating temperature
Supports more RAM 294,912 MB vs 32,768 MB Supports 9x more RAM
Better performance per watt 6.45 pt/W vs 4.55 pt/W More than 40% better performance per watt
Much lower annual home energy cost 31.32 $/year vs 42.19 $/year More than 25% lower annual home energy cost
Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 2.21 pt/$ vs 0.5 pt/$ Around 4.5x better performance per dollar
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Better PassMark (Single core) score 2,084 vs 1,519 More than 35% better PassMark (Single core) score
Better PassMark score 9,544 vs 6,984 More than 35% better PassMark score
Newer Apr, 2012 vs Mar, 2010 Release date over 2 years later
Significantly better overclocked clock speed (Water) 4.8 GHz vs 3.47 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon X5677 vs Core i7 3770K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5677
18,912
Core i7 3770K
13,098

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5677
2,580
Core i7 3770K
3,304

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5677
1,770,000 MB/s
Core i7 3770K
2,620,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5677
11,584
Core i7 3770K
13,703

GeekBench

Xeon X5677
11,584
Core i7 3770K
17,972

PassMark Data courtesy Passmark

Xeon X5677
6,984
Core i7 3770K
9,544

PassMark (Single Core)

Xeon X5677
1,519
Core i7 3770K
2,084

Specifications Full list of technical specs

summary

 Xeon X5677  vs
Core i7 3770K 
Clock speed 3.46 GHz 3.5 GHz
Turbo clock speed 3.73 GHz 3.9 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 1155

features
Has a NX bit Yes Yes
Supports trusted computing Yes No
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 130W 77W
Annual home energy cost 31.32 $/year 42.19 $/year
Annual commercial energy cost 113.88 $/year 112.39 $/year
Performance per watt 6.45 pt/W 4.55 pt/W
Typical power consumption 105.63W 114.97W

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 32,768 MB

details

 Xeon X5677  vs
Core i7 3770K 
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 12 MB 8 MB
L3 cache per core 3 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 1
Clock multiplier 26 35
Voltage range 0.75 - 1.35V 1.33 - 1.36V
Operating temperature Unknown - 80.4°C Unknown - 67.4°C

overclocking
Overclocked clock speed 4.78 GHz 4.69 GHz
Overclocked clock speed (Water) 3.47 GHz 4.8 GHz
Overclocked clock speed (Air) 4.78 GHz 4.69 GHz

integrated graphics
GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 11.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9

bus
Architecture QPI DMI
Number of links 2 1
Transfer rate 6,400 MT/s 5,000 MT/s
Intel Xeon X5677
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Intel Core i7 3770K
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