Intel Xeon X7550 vs Intel Xeon E7-4850

Comparative analysis of Intel Xeon X7550 and Intel Xeon E7-4850 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.

Intel Xeon X7550

Intel Xeon E7-4850

Differences

Reasons to consider the Intel Xeon X7550

Around 16% better performance in PassMark - Single thread mark: 1067 vs 923

Benchmarks
PassMark - Single thread mark	1067 vs 923

Reasons to consider the Intel Xeon E7-4850

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 53% better performance in PassMark - CPU mark: 12053 vs 7873

Specifications (specs)
Number of cores	10 vs 8
Number of threads	20 vs 16
Manufacturing process technology	32 nm vs 45 nm
Benchmarks
PassMark - CPU mark	12053 vs 7873

Compare benchmarks

CPU 1: Intel Xeon X7550
CPU 2: Intel Xeon E7-4850

PassMark - Single thread mark

CPU 1

CPU 2

1067

923

PassMark - CPU mark

CPU 1

CPU 2

7873

12053

Name	Intel Xeon X7550	Intel Xeon E7-4850
PassMark - Single thread mark	1067	923
PassMark - CPU mark	7873	12053

Compare specifications (specs)

	Intel Xeon X7550	Intel Xeon E7-4850
Essentials
Architecture codename	Nehalem EX	Westmere EX
Launch date	Q1'10	Q2'11
Place in performance rating	1875	1903
Processor Number	X7550	E7-4850
Series	Legacy Intel Xeon Processors	Intel® Xeon® Processor E7 Family
Vertical segment	Server	Server
Status		Discontinued
Performance
Base frequency	2.00 GHz	2.00 GHz
Bus Speed	6.4 GT/s	6.4 GT/s QPI
L3 cache	18 MB L3 Cache
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	69°C	69°C
Maximum frequency	2.40 GHz	2.40 GHz
Number of cores	8	10
Number of threads	16	20
64 bit support
Memory
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)
Max memory channels		4
Maximum memory size		2 TB
Compatibility
Sockets supported	FCLGA1567	LGA1567
Thermal Design Power (TDP)	130 Watt	130 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		4
Package Size		49.17mm x 56.47mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® AES New Instructions
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
Scalability		S4S