Intel Xeon E5620 vs Intel Xeon W3540

Comparative analysis of Intel Xeon E5620 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 E5620

Intel Xeon W3540

Differences

Reasons to consider the Intel Xeon E5620

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 14% higher maximum core temperature: 77.6°C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
12x more maximum memory size: 288 GB vs 24 GB
Around 63% lower typical power consumption: 80 Watt vs 130 Watt
2.1x better performance in PassMark - CPU mark: 6528 vs 3109
Around 59% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.552 vs 0.976
Around 25% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 62.536 vs 50.158
Around 53% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.469 vs 0.307
Around 58% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.559 vs 1.621
Around 66% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 7.383 vs 4.438

Specifications (specs)
Launch date	March 2010 vs March 2009
Maximum core temperature	77.6°C vs 67.9°C
Manufacturing process technology	32 nm vs 45 nm
L3 cache	12288 KB (shared) vs 8192 KB (shared)
Maximum memory size	288 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	6528 vs 3109
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.552 vs 0.976
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.536 vs 50.158
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.469 vs 0.307
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.559 vs 1.621
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.383 vs 4.438

Reasons to consider the Intel Xeon W3540

Around 20% higher clock speed: 3.20 GHz vs 2.66 GHz
Around 19% better performance in PassMark - Single thread mark: 1297 vs 1091
Around 21% better performance in Geekbench 4 - Single Core: 534 vs 442
Around 3% better performance in Geekbench 4 - Multi-Core: 2148 vs 2092

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.66 GHz
Benchmarks
PassMark - Single thread mark	1297 vs 1091
Geekbench 4 - Single Core	534 vs 442
Geekbench 4 - Multi-Core	2148 vs 2092

Compare benchmarks

CPU 1: Intel Xeon E5620
CPU 2: Intel Xeon W3540

PassMark - Single thread mark

CPU 1

CPU 2

1091

1297

PassMark - CPU mark

CPU 1

CPU 2

6528

3109

Geekbench 4 - Single Core

CPU 1

CPU 2

442

534

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2092

2148

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.552

0.976

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

CPU 1

CPU 2

62.536

50.158

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

CPU 1

CPU 2

0.469

0.307

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.559

1.621

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

7.383

4.438

Name	Intel Xeon E5620	Intel Xeon W3540
PassMark - Single thread mark	1091	1297
PassMark - CPU mark	6528	3109
Geekbench 4 - Single Core	442	534
Geekbench 4 - Multi-Core	2092	2148
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.552	0.976
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.536	50.158
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.469	0.307
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.559	1.621
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.383	4.438

Compare specifications (specs)

	Intel Xeon E5620	Intel Xeon W3540
Essentials
Architecture codename	Westmere EP	Bloomfield
Launch date	March 2010	March 2009
Launch price (MSRP)	$35	$699
Place in performance rating	2671	2729
Price now	$25.99	$19.92
Processor Number	E5620	W3540
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	55.06	80.92
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.40 GHz	2.93 GHz
Bus Speed	5.86 GT/s QPI	4.8 GT/s QPI
Die size	239 mm	263 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	12288 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	77.6°C	67.9°C
Maximum frequency	2.66 GHz	3.20 GHz
Number of cores	4	4
Number of QPI Links	2	1
Number of threads	8	8
Transistor count	1170 million	731 million
VID voltage range	0.750V-1.350V	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	288 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
Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-bit	36-bit
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)