Intel Xeon E5503 vs Intel Xeon W3680

Comparative analysis of Intel Xeon E5503 and Intel Xeon W3680 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, 3DMark Fire Strike - Physics Score, 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 W3680

Differences

Reasons to consider the Intel Xeon E5503

Around 12% higher maximum core temperature: 76°C vs 67.9°C
6x more maximum memory size: 144 GB vs 24 GB
Around 63% lower typical power consumption: 80 Watt vs 130 Watt

Maximum core temperature	76°C vs 67.9°C
Maximum memory size	144 GB vs 24 GB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	80 Watt vs 130 Watt

Reasons to consider the Intel Xeon W3680

4 more cores, run more applications at once: 6 vs 2
10 more threads: 12 vs 2
Around 80% higher clock speed: 3.60 GHz vs 2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
3x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
3x more L3 cache, more data can be stored in the L3 cache for quick access later
2x better performance in PassMark - Single thread mark: 1572 vs 783
3.9x better performance in PassMark - CPU mark: 7003 vs 1787

Specifications (specs)
Number of cores	6 vs 2
Number of threads	12 vs 2
Maximum frequency	3.60 GHz vs 2 GHz
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	12288 KB (shared) vs 4096 KB (shared)
Benchmarks
PassMark - Single thread mark	1572 vs 783
PassMark - CPU mark	7003 vs 1787

Compare benchmarks

CPU 1: Intel Xeon E5503
CPU 2: Intel Xeon W3680

PassMark - Single thread mark

CPU 1

CPU 2

783

1572

PassMark - CPU mark

CPU 1

CPU 2

1787

7003

Name	Intel Xeon E5503	Intel Xeon W3680
PassMark - Single thread mark	783	1572
PassMark - CPU mark	1787	7003
Geekbench 4 - Single Core		649
Geekbench 4 - Multi-Core		3566
3DMark Fire Strike - Physics Score		0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.662
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		48.725
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.51
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.657
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		7.601

Compare specifications (specs)

	Intel Xeon E5503	Intel Xeon W3680
Essentials
Architecture codename	Nehalem EP	Westmere EP
Launch date	March 2010	March 2010
Launch price (MSRP)	$287	$350
Place in performance rating	2554	2536
Price now	$287.01	$759.95
Processor Number	E5503	W3680
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	1.43	3.52
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	3.33 GHz
Bus Speed	4.8 GT/s QPI	6.4 GT/s QPI
Die size	263 mm	239 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)	12288 KB (shared)
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	76°C	67.9°C
Maximum frequency	2 GHz	3.60 GHz
Number of cores	2	6
Number of QPI Links	2	1
Number of threads	2	12
Transistor count	731 million	1170 million
VID voltage range	0.75V -1.35V	0.800V-1.375V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	19.2 GB/s	32 GB/s
Maximum memory size	144 GB	24 GB
Supported memory types	DDR3 800	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	42.5mm x 45mm	42.5mm X 45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	80 Watt	130 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	36-bit
Thermal Monitoring
Instruction set extensions		Intel® SSE4.2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)