CPUBoss Review Our evaluation of X5680 vs X5650 among all CPUs

Performance

Benchmark performance using all cores
Xeon X5680
6.4
Xeon X5650
6.2
Core i7 3770K
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Xeon X5680
8.4
Xeon X5650
8.1
Core i7 3770K
9.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Xeon X5680
n.d.
Xeon X5650
n.d.
Core i7 3770K
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Xeon X5680
0.0
Xeon X5650
0.0
Core i7 3770K
6.1
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Xeon X5680
5.0
Xeon X5650
5.0
Core i7 3770K
5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Xeon X5680
n.d.
Xeon X5650
n.d.
Core i7 3770K
8.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Intel Xeon X5680

Front view of Intel Xeon X5680
Front view of Intel Xeon X5650

Intel Xeon X5650

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Differences What are the advantages of each

Front view of Intel Xeon X5680

Reasons to consider the
Intel Xeon X5680

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Much higher clock speed 3.33 GHz vs 2.66 GHz More than 25% higher clock speed
Significantly higher turbo clock speed 3.6 GHz vs 3.06 GHz Around 20% higher turbo clock speed
Much better PassMark (Single core) score 1,452 vs 1,234 Around 20% better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.24 GHz vs 3.84 GHz More than 10% better overclocked clock speed (Air)
Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much better performance per dollar 1.44 pt/$ vs 0.48 pt/$ More than 3x better performance per dollar
Much higher Maximum operating temperature 81.3 °C vs 78.5 °C Around 5% higher Maximum operating temperature
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Better overclocked clock speed (Water) 4.64 GHz vs 4.55 GHz Almost the same

Benchmarks Real world tests of Xeon X5680 vs X5650

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5680
21,510
Xeon X5650
22,313

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5680
2,414
Xeon X5650
2,176

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5680
1,560,000 MB/s
Xeon X5650
1,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5680
15,844
Xeon X5650
13,247

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X5680
15,090
Xeon X5650
13,603

GeekBench

Xeon X5680
15,844
Xeon X5650
14,009

PassMark Data courtesy Passmark

Xeon X5680
8,748
Xeon X5650
7,510

PassMark (Single Core)

Xeon X5680
1,452
Xeon X5650
1,234

Specifications Full list of technical specs

summary

 Xeon X5680  vs
X5650 
Clock speed 3.33 GHz 2.66 GHz
Turbo clock speed 3.6 GHz 3.06 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Performance per watt 6.11 pt/W 7.89 pt/W
Typical power consumption 105.63W 77.19W

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 Yes
Maximum bandwidth 31,999.98 MB/s 31,999.98 MB/s
Maximum memory size 294,912 MB 294,912 MB

details

 Xeon X5680  vs
X5650 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 25 20
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 78.5°C Unknown - 81.3°C

overclocking
Overclock popularity 4 11
Overclocked clock speed 4.24 GHz 3.84 GHz
Overclocked clock speed (Water) 4.55 GHz 4.64 GHz
Overclocked clock speed (Air) 4.24 GHz 3.84 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 2
Data rate 51,200 MB/s 51,200 MB/s
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5680
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Intel Xeon X5650
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