Intel Xeon X7550 vs Intel Xeon E5-2640

Comparative analysis of Intel Xeon X7550 and Intel Xeon E5-2640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon X7550

Intel Xeon E5-2640

Differences

Reasons to consider the Intel Xeon X7550

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12

Number of cores	8 vs 6
Number of threads	16 vs 12

Reasons to consider the Intel Xeon E5-2640

Around 25% higher clock speed: 3.00 GHz vs 2.40 GHz
Around 6% higher maximum core temperature: 73 °C vs 69°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
873813.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 26% better performance in PassMark - Single thread mark: 1347 vs 1067
Around 48% better performance in PassMark - CPU mark: 11638 vs 7873

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.40 GHz
Maximum core temperature	73 °C vs 69°C
Manufacturing process technology	32 nm vs 45 nm
L3 cache	15360 KB (shared) vs 18 MB L3 Cache
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1347 vs 1067
PassMark - CPU mark	11638 vs 7873

Compare benchmarks

CPU 1: Intel Xeon X7550
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark

CPU 1

CPU 2

1067

1347

PassMark - CPU mark

CPU 1

CPU 2

7873

11638

Name	Intel Xeon X7550	Intel Xeon E5-2640
PassMark - Single thread mark	1067	1347
PassMark - CPU mark	7873	11638
Geekbench 4 - Single Core		564
Geekbench 4 - Multi-Core		3363

Compare specifications (specs)

	Intel Xeon X7550	Intel Xeon E5-2640
Essentials
Architecture codename	Nehalem EX	Sandy Bridge EP
Launch date	Q1'10	March 2012
Place in performance rating	1974	1958
Processor Number	X7550	E5-2640
Series	Legacy Intel Xeon Processors	Intel® Xeon® Processor E5 Family
Vertical segment	Server	Server
Launch price (MSRP)		$162
Price now		$197.27
Status		Discontinued
Value for money (0-100)		14.20
Performance
Base frequency	2.00 GHz	2.50 GHz
Bus Speed	6.4 GT/s	7.2 GT/s QPI
L3 cache	18 MB L3 Cache	15360 KB (shared)
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	69°C	73 °C
Maximum frequency	2.40 GHz	3.00 GHz
Number of cores	8	6
Number of threads	16	12
64 bit support
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR3 800/1066/1333
ECC memory support
Max memory channels		4
Maximum memory bandwidth		42.6 GB/s
Maximum memory size		384 GB
Compatibility
Sockets supported	FCLGA1567	FCLGA2011
Thermal Design Power (TDP)	130 Watt	95 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Package Size		52.5mm x 45.0mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States
Instruction set extensions		Intel® AVX
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)
Peripherals
Max number of PCIe lanes		40
PCI Express revision		3.0
Scalability		2S Only