Intel Xeon E5502 vs Intel Xeon 5148

Comparative analysis of Intel Xeon E5502 and Intel Xeon 5148 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.

Intel Xeon E5502

Intel Xeon 5148

Differences

Reasons to consider the Intel Xeon E5502

CPU is newer: launch date 2 year(s) 8 month(s) later
Around 31% higher maximum core temperature: 76°C vs 58°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2x better performance in PassMark - CPU mark: 1853 vs 912

Specifications (specs)
Launch date	March 2009 vs June 2006
Maximum core temperature	76°C vs 58°C
Manufacturing process technology	45 nm vs 65 nm
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	1853 vs 912

Reasons to consider the Intel Xeon 5148

Around 25% higher clock speed: 2.33 GHz vs 1.86 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later
2x lower typical power consumption: 40 Watt vs 80 Watt
Around 5% better performance in PassMark - Single thread mark: 868 vs 825

Specifications (specs)
Maximum frequency	2.33 GHz vs 1.86 GHz
L2 cache	4096 KB vs 256 KB (per core)
Thermal Design Power (TDP)	40 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	868 vs 825

Compare benchmarks

CPU 1: Intel Xeon E5502
CPU 2: Intel Xeon 5148

PassMark - Single thread mark

CPU 1

CPU 2

825

868

PassMark - CPU mark

CPU 1

CPU 2

1853

912

Name	Intel Xeon E5502	Intel Xeon 5148
PassMark - Single thread mark	825	868
PassMark - CPU mark	1853	912

Compare specifications (specs)

	Intel Xeon E5502	Intel Xeon 5148
Essentials
Architecture codename	Nehalem EP	Woodcrest
Launch date	March 2009	June 2006
Launch price (MSRP)	$95	$9
Place in performance rating	2481	2467
Price now	$95	$13.13
Processor Number	E5502	5148
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Value for money (0-100)	4.27	35.65
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.86 GHz	2.33 GHz
Bus Speed	4.8 GT/s QPI	1333 MHz FSB
Die size	263 mm	143 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)	4096 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	76°C	58°C
Maximum frequency	1.86 GHz	2.33 GHz
Number of cores	2	2
Number of QPI Links	2
Number of threads	2
Transistor count	731 million	291 million
VID voltage range	0.75V -1.35V	1.150V-1.250V
Memory
ECC memory support
Max memory channels	3
Maximum memory bandwidth	19.2 GB/s
Maximum memory size	144 GB
Supported memory types	DDR3 800	DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	42.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA1366	LGA771
Thermal Design Power (TDP)	80 Watt	40 Watt
Scenario Design Power (SDP)		0 W
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	32-bit
FSB parity
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)