Intel Xeon E5520 vs Intel Xeon 5150

Comparative analysis of Intel Xeon E5520 and Intel Xeon 5150 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E5520

Intel Xeon 5150

Differences

Reasons to consider the Intel Xeon E5520

CPU is newer: launch date 2 year(s) 8 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 11% higher maximum core temperature: 72°C vs 65°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 4% better performance in PassMark - Single thread mark: 1104 vs 1065
2.3x better performance in PassMark - CPU mark: 4626 vs 2043
2.6x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.453 vs 0.568
3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 62.27 vs 20.9
4x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.429 vs 0.108
3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.436 vs 0.807
Around 66% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.95 vs 4.182

Specifications (specs)
Launch date	March 2009 vs June 2006
Number of cores	4 vs 2
Maximum core temperature	72°C vs 65°C
Manufacturing process technology	45 nm vs 65 nm
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	1104 vs 1065
PassMark - CPU mark	4626 vs 2043
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.453 vs 0.568
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.27 vs 20.9
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.429 vs 0.108
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.436 vs 0.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.95 vs 4.182

Reasons to consider the Intel Xeon 5150

Around 5% higher clock speed: 2.66 GHz vs 2.53 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 23% lower typical power consumption: 65 Watt vs 80 Watt
3.6x better performance in Geekbench 4 - Single Core: 1438 vs 397
Around 20% better performance in Geekbench 4 - Multi-Core: 2354 vs 1969

Specifications (specs)
Maximum frequency	2.66 GHz vs 2.53 GHz
L2 cache	4096 KB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 80 Watt
Benchmarks
Geekbench 4 - Single Core	1438 vs 397
Geekbench 4 - Multi-Core	2354 vs 1969

Compare benchmarks

CPU 1: Intel Xeon E5520
CPU 2: Intel Xeon 5150

PassMark - Single thread mark

CPU 1

CPU 2

1104

1065

PassMark - CPU mark

CPU 1

CPU 2

4626

2043

Geekbench 4 - Single Core

CPU 1

CPU 2

397

1438

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1969

2354

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.453

0.568

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

62.27

20.9

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.429

0.108

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.436

0.807

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

6.95

4.182

Name	Intel Xeon E5520	Intel Xeon 5150
PassMark - Single thread mark	1104	1065
PassMark - CPU mark	4626	2043
Geekbench 4 - Single Core	397	1438
Geekbench 4 - Multi-Core	1969	2354
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.453	0.568
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.27	20.9
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.429	0.108
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.436	0.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.95	4.182

Compare specifications (specs)

	Intel Xeon E5520	Intel Xeon 5150
Essentials
Architecture codename	Nehalem EP	Woodcrest
Launch date	March 2009	June 2006
Launch price (MSRP)	$19	$16
Place in performance rating	2716	2717
Price now	$42.39	$455.95
Processor Number	E5520	5150
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	30.90	1.13
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.26 GHz	2.66 GHz
Bus Speed	5.86 GT/s QPI	1333 MHz FSB
Die size	263 mm2	143 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)	4096 KB
L3 cache	8192 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	72°C	65°C
Maximum frequency	2.53 GHz	2.66 GHz
Number of cores	4	2
Number of QPI Links	2
Number of threads	8
Transistor count	731 million	291 million
VID voltage range	0.75V -1.35V	B2=1.0V-1.5V, G0=.85V-1.5V
Memory
ECC memory support
Max memory channels	3
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	144 GB
Supported memory types	DDR3 800/1066	DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	42.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA1366	LGA771
Thermal Design Power (TDP)	80 Watt	65 Watt
Scenario Design Power (SDP)		0 W
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-bit
FSB parity
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)