Intel Xeon E5503 vs Intel Xeon E5504

Comparative analysis of Intel Xeon E5503 and Intel Xeon E5504 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E5503

Intel Xeon E5504

Differences

Reasons to consider the Intel Xeon E5503

CPU is newer: launch date 1 year(s) 0 month(s) later

Launch date	March 2010 vs March 2009

Reasons to consider the Intel Xeon E5504

2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
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
Around 11% better performance in PassMark - Single thread mark: 871 vs 783
Around 86% better performance in PassMark - CPU mark: 3318 vs 1787

Specifications (specs)
Number of cores	4 vs 2
Number of threads	4 vs 2
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	871 vs 783
PassMark - CPU mark	3318 vs 1787

Compare benchmarks

CPU 1: Intel Xeon E5503
CPU 2: Intel Xeon E5504

PassMark - Single thread mark

CPU 1

CPU 2

783

871

PassMark - CPU mark

CPU 1

CPU 2

1787

3318

Name	Intel Xeon E5503	Intel Xeon E5504
PassMark - Single thread mark	783	871
PassMark - CPU mark	1787	3318
Geekbench 4 - Single Core		1613
Geekbench 4 - Multi-Core		4704
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.383
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		30.376
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.144
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.912
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.862

Compare specifications (specs)

	Intel Xeon E5503	Intel Xeon E5504
Essentials
Architecture codename	Nehalem EP	Nehalem EP
Launch date	March 2010	March 2009
Launch price (MSRP)	$287	$60
Place in performance rating	2566	2605
Price now	$287.01	$69.95
Processor Number	E5503	E5504
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Value for money (0-100)	1.43	11.38
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	2.00 GHz
Bus Speed	4.8 GT/s QPI	4.8 GT/s QPI
Die size	263 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	4096 KB (shared)	4096 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	76°C	76°C
Maximum frequency	2 GHz	2 GHz
Number of cores	2	4
Number of QPI Links	2	2
Number of threads	2	4
Transistor count	731 million	731 million
VID voltage range	0.75V -1.35V	0.75V -1.35V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	19.2 GB/s	19.2 GB/s
Maximum memory size	144 GB	144 GB
Supported memory types	DDR3 800	DDR3 800
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	80 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
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)