CPUBoss Review Our evaluation of X5680 vs 920 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
Intel Xeon X5680 

CPUBoss recommends the Intel Xeon X5680  based on its performance and single-core performance.

See full details

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VS

Intel Xeon X5680

CPUBoss Winner
Front view of Intel Xeon X5680

Differences What are the advantages of each

Front view of Intel Xeon X5680

Reasons to consider the
Intel Xeon X5680

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3.33 GHz vs 2.66 GHz More than 25% higher clock speed
Higher turbo clock speed 3.6 GHz vs 2.93 GHz Around 25% higher turbo clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 105.63W vs 135.63W More than 20% lower typical power consumption
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
Much better performance per watt 6.11 pt/W vs 1.21 pt/W More than 5x better performance per watt
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 8,748 vs 4,958 More than 75% better PassMark score
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Better PassMark (Single core) score 1,452 vs 1,164 Around 25% better PassMark (Single core) score
Higher Maximum operating temperature 78.5 °C vs 67.9 °C More than 15% higher Maximum operating temperature
Much lower annual home energy cost 31.32 $/year vs 48.38 $/year More than 35% lower annual home energy cost
Newer Mar, 2010 vs Oct, 2008 Release date over 1 years later
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Significantly lower annual commercial energy cost 113.88 $/year vs 134.55 $/year More than 15% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.55 GHz vs 4.24 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Core i7 920

Reasons to consider the
Intel Core i7 920

Report a correction
Better performance per dollar 0.61 pt/$ vs 0.48 pt/$ More than 25% better performance per dollar

Benchmarks Real world tests of Xeon X5680 vs Core i7 920

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5680
21,510
Core i7 920
7,014

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5680
2,414
Core i7 920
1,959

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5680
1,560,000 MB/s
Core i7 920
143,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5680
15,844
Core i7 920
7,125

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5680
15,090
Core i7 920
7,791

GeekBench

Xeon X5680
15,844
Core i7 920
9,242

PassMark Data courtesy Passmark

Xeon X5680
8,748
Core i7 920
4,958

PassMark (Single Core)

Xeon X5680
1,452
Core i7 920
1,164

Specifications Full list of technical specs

summary

Xeon X5680  vs
Core i7 920 
Clock speed 3.33 GHz 2.66 GHz
Turbo clock speed 3.6 GHz 2.93 GHz
Cores Hexa core Quad core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 130W
Annual home energy cost 31.32 $/year 48.38 $/year
Annual commercial energy cost 113.88 $/year 134.55 $/year
Performance per watt 6.11 pt/W 1.21 pt/W
Typical power consumption 105.63W 135.63W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,599.99 MB/s

details

Xeon X5680  vs
Core i7 920 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 1
Clock multiplier 25 20
Voltage range 0.75 - 1.35V 0.8 - 1.38V
Operating temperature Unknown - 78.5°C Unknown - 67.9°C

overclocking

Overclock popularity 4 491
Overclocked clock speed 4.24 GHz 4.22 GHz
Overclocked clock speed (Water) 4.55 GHz 4.24 GHz
Overclocked clock speed (Air) 4.24 GHz 4.22 GHz

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

Architecture QPI QPI
Number of links 2 1
Data rate 51,200 MB/s 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon X5680
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Intel Core i7 920
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