Intel Xeon E5640 vs Intel Xeon X5560

Comparative analysis of Intel Xeon E5640 and Intel Xeon X5560 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.

Intel Xeon E5640

Intel Xeon X5560

Differences

Reasons to consider the Intel Xeon E5640

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 3% higher maximum core temperature: 77.6°C vs 75°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
2x more maximum memory size: 288 GB vs 144 GB
Around 19% lower typical power consumption: 80 Watt vs 95 Watt
Around 34% better performance in PassMark - CPU mark: 7455 vs 5572
Around 10% better performance in Geekbench 4 - Multi-Core: 2185 vs 1982

Specifications (specs)
Launch date	March 2010 vs March 2009
Maximum core temperature	77.6°C vs 75°C
Manufacturing process technology	32 nm vs 45 nm
L3 cache	12288 KB (shared) vs 8192 KB (shared)
Maximum memory size	288 GB vs 144 GB
Thermal Design Power (TDP)	80 Watt vs 95 Watt
Benchmarks
PassMark - CPU mark	7455 vs 5572
Geekbench 4 - Multi-Core	2185 vs 1982

Reasons to consider the Intel Xeon X5560

Around 9% higher clock speed: 3.20 GHz vs 2.93 GHz
Around 4% better performance in PassMark - Single thread mark: 1305 vs 1252
Around 1% better performance in Geekbench 4 - Single Core: 479 vs 476

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.93 GHz
Benchmarks
PassMark - Single thread mark	1305 vs 1252
Geekbench 4 - Single Core	479 vs 476

Compare benchmarks

CPU 1: Intel Xeon E5640
CPU 2: Intel Xeon X5560

PassMark - Single thread mark

CPU 1

CPU 2

1252

1305

PassMark - CPU mark

CPU 1

CPU 2

7455

5572

Geekbench 4 - Single Core

CPU 1

CPU 2

476

479

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2185

1982

Name	Intel Xeon E5640	Intel Xeon X5560
PassMark - Single thread mark	1252	1305
PassMark - CPU mark	7455	5572
Geekbench 4 - Single Core	476	479
Geekbench 4 - Multi-Core	2185	1982

Compare specifications (specs)

	Intel Xeon E5640	Intel Xeon X5560
Essentials
Architecture codename	Westmere EP	Nehalem EP
Launch date	March 2010	March 2009
Launch price (MSRP)	$49	$44
Place in performance rating	2238	2245
Price now	$59.49	$57.95
Processor Number	E5640	X5560
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Launched
Value for money (0-100)	26.06	27.43
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.66 GHz	2.80 GHz
Bus Speed	5.86 GT/s QPI	6.4 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	75°C
Maximum frequency	2.93 GHz	3.20 GHz
Number of cores	4	4
Number of QPI Links	2	2
Number of threads	8	8
Transistor count	1170 million	731 million
VID voltage range	0.750V-1.350V	0.75V -1.35V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	25.6 GB/s	32 GB/s
Maximum memory size	288 GB	144 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	42.5mm X 45mm	42.5mm x 45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	80 Watt	95 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 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-bit	40-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)