Intel Xeon E5-2403 vs Intel Xeon E5502

Comparative analysis of Intel Xeon E5-2403 and Intel Xeon E5502 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E5-2403

Intel Xeon E5502

Differences

Reasons to consider the Intel Xeon E5-2403

CPU is newer: launch date 3 year(s) 2 month(s) later
2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
2.7x more maximum memory size: 384 GB vs 144 GB
Around 28% better performance in PassMark - CPU mark: 2367 vs 1853

Specifications (specs)
Launch date	May 2012 vs March 2009
Number of cores	4 vs 2
Number of threads	4 vs 2
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	10240 KB (shared) vs 4096 KB (shared)
Maximum memory size	384 GB vs 144 GB
Benchmarks
PassMark - CPU mark	2367 vs 1853

Reasons to consider the Intel Xeon E5502

Around 3% higher clock speed: 1.86 GHz vs 1.8 GHz
Around 3% better performance in PassMark - Single thread mark: 825 vs 802

Specifications (specs)
Maximum frequency	1.86 GHz vs 1.8 GHz
Benchmarks
PassMark - Single thread mark	825 vs 802

Compare benchmarks

CPU 1: Intel Xeon E5-2403
CPU 2: Intel Xeon E5502

PassMark - Single thread mark

CPU 1

CPU 2

802

825

PassMark - CPU mark

CPU 1

CPU 2

2367

1853

Name	Intel Xeon E5-2403	Intel Xeon E5502
PassMark - Single thread mark	802	825
PassMark - CPU mark	2367	1853

Compare specifications (specs)

	Intel Xeon E5-2403	Intel Xeon E5502
Essentials
Architecture codename	Sandy Bridge EN	Nehalem EP
Launch date	May 2012	March 2009
Launch price (MSRP)	$230	$95
Place in performance rating	2484	2477
Price now	$364.97	$95
Processor Number	E5-2403	E5502
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Launched
Value for money (0-100)	2.84	4.27
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.80 GHz	1.86 GHz
Bus Speed	6.4 GT/s QPI	4.8 GT/s QPI
Die size	294 mm	263 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	4096 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum frequency	1.8 GHz	1.86 GHz
Number of cores	4	2
Number of QPI Links	1	2
Number of threads	4	2
Transistor count	1270 million	731 million
VID voltage range	0.6V-1.35V	0.75V -1.35V
Maximum core temperature		76°C
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	25 GB/s	19.2 GB/s
Maximum memory size	384 GB	144 GB
Supported memory types	DDR3 800/1066	DDR3 800
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	45mm x 42.5mm	42.5mm x 45mm
Sockets supported	FCLGA1356	FCLGA1366
Thermal Design Power (TDP)	80 Watt	80 Watt
Peripherals
Max number of PCIe lanes	24
PCI Express revision	3.0
Scalability	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)