Intel Xeon E5520 vs Intel Xeon W3540

Comparative analysis of Intel Xeon E5520 and Intel Xeon W3540 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 W3540

Differences

Reasons to consider the Intel Xeon E5520

Around 6% higher maximum core temperature: 72°C vs 67.9°C
6x more maximum memory size: 144 GB vs 24 GB
Around 63% lower typical power consumption: 80 Watt vs 130 Watt
Around 49% better performance in PassMark - CPU mark: 4642 vs 3109
Around 49% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.453 vs 0.976
Around 24% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 62.27 vs 50.158
Around 40% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.429 vs 0.307
Around 50% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.436 vs 1.621
Around 57% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.95 vs 4.438

Specifications (specs)
Maximum core temperature	72°C vs 67.9°C
Maximum memory size	144 GB vs 24 GB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	80 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	4642 vs 3109
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.453 vs 0.976
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.27 vs 50.158
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.429 vs 0.307
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.436 vs 1.621
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.95 vs 4.438

Reasons to consider the Intel Xeon W3540

Around 26% higher clock speed: 3.20 GHz vs 2.53 GHz
Around 17% better performance in PassMark - Single thread mark: 1297 vs 1104
Around 35% better performance in Geekbench 4 - Single Core: 534 vs 397
Around 9% better performance in Geekbench 4 - Multi-Core: 2148 vs 1969

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.53 GHz
Benchmarks
PassMark - Single thread mark	1297 vs 1104
Geekbench 4 - Single Core	534 vs 397
Geekbench 4 - Multi-Core	2148 vs 1969

Compare benchmarks

CPU 1: Intel Xeon E5520
CPU 2: Intel Xeon W3540

PassMark - Single thread mark

CPU 1

CPU 2

1104

1297

PassMark - CPU mark

CPU 1

CPU 2

4642

3109

Geekbench 4 - Single Core

CPU 1

CPU 2

397

534

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1969

2148

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.453

0.976

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

CPU 1

CPU 2

62.27

50.158

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

CPU 1

CPU 2

0.429

0.307

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.436

1.621

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

6.95

4.438

Name	Intel Xeon E5520	Intel Xeon W3540
PassMark - Single thread mark	1104	1297
PassMark - CPU mark	4642	3109
Geekbench 4 - Single Core	397	534
Geekbench 4 - Multi-Core	1969	2148
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.453	0.976
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.27	50.158
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.429	0.307
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.436	1.621
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.95	4.438

Compare specifications (specs)

	Intel Xeon E5520	Intel Xeon W3540
Essentials
Architecture codename	Nehalem EP	Bloomfield
Launch date	March 2009	March 2009
Launch price (MSRP)	$19	$699
Place in performance rating	2725	2754
Price now	$42.39	$19.92
Processor Number	E5520	W3540
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	30.90	80.92
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.26 GHz	2.93 GHz
Bus Speed	5.86 GT/s QPI	4.8 GT/s QPI
Die size	263 mm2	263 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72°C	67.9°C
Maximum frequency	2.53 GHz	3.20 GHz
Number of cores	4	4
Number of QPI Links	2	1
Number of threads	8	8
Transistor count	731 million	731 million
VID voltage range	0.75V -1.35V	0.800V-1.375V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	144 GB	24 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	42.5mm x 45mm	42.5mm x 45.0mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	80 Watt	130 Watt
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	36-bit
Instruction set extensions		Intel® SSE4.2
Intel® AES New Instructions
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)