CPUBoss Review Our evaluation of X5650 vs L5630 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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon X5650 

CPUBoss recommends the Intel Xeon X5650  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Much higher clock speed 2.66 GHz vs 2.13 GHz Around 25% higher clock speed
Much higher turbo clock speed 3.06 GHz vs 2.4 GHz Around 30% higher turbo clock speed
Much 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
Much better PassMark score 7,510 vs 4,420 Around 70% better PassMark score
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 7.89 pt/W vs 1.92 pt/W More than 4x better performance per watt
Much better performance per dollar 1.44 pt/$ vs 0.14 pt/$ Around 10.5x better performance per dollar
Much higher Maximum operating temperature 81.3 °C vs 63.1 °C Around 30% higher Maximum operating temperature
More threads 12 vs 8 4 more threads
Much better overclocked clock speed (Water) 4.64 GHz vs 3.48 GHz Around 35% better overclocked clock speed (Water)
Better overclocked clock speed (Air) 3.84 GHz vs 3.66 GHz Around 5% better overclocked clock speed (Air)
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Front view of Intel Xeon L5630

Reasons to consider the
Intel Xeon L5630

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Much lower typical power consumption 32.5W vs 77.19W 2.4x lower typical power consumption
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Much lower annual commercial energy cost 35.04 $/year vs 83.22 $/year 2.4x lower annual commercial energy cost
Much lower annual home energy cost 9.64 $/year vs 22.89 $/year 2.4x lower annual home energy cost

Benchmarks Real world tests of Xeon X5650 vs L5630

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5650
22,313
Xeon L5630
953.5

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5650
2,176
Xeon L5630
968.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5650
1,470,000 MB/s
Xeon L5630
51.5 MB/s

PassMark Data courtesy Passmark

Xeon X5650
7,510
Xeon L5630
4,420

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5650  vs
L5630 
Clock speed 2.66 GHz 2.13 GHz
Turbo clock speed 3.06 GHz 2.4 GHz
Cores Hexa core Quad 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 95W 40W
Annual home energy cost 22.89 $/year 9.64 $/year
Annual commercial energy cost 83.22 $/year 35.04 $/year
Performance per watt 7.89 pt/W 1.92 pt/W
Typical power consumption 77.19W 32.5W

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 25,599.99 MB/s
Maximum memory size 294,912 MB 294,912 MB

details

Xeon X5650  vs
L5630 
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 12 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 20 16
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 81.3°C Unknown - 63.1°C

overclocking

Overclock popularity 11 0
Overclocked clock speed 3.84 GHz 3.66 GHz
Overclocked clock speed (Water) 4.64 GHz 3.48 GHz
Overclocked clock speed (Air) 3.84 GHz 3.66 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 46,928 MB/s
Transfer rate 6,400 MT/s 5,860 MT/s
Clock speed 3,200 MHz 2,930 MHz
Intel Xeon X5650
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Intel Xeon L5630
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