Intel Xeon E5603 vs Intel Xeon W3680

Comparative analysis of Intel Xeon E5603 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 E5603

Intel Xeon W3680

Differences

Reasons to consider the Intel Xeon E5603

CPU is newer: launch date 11 month(s) later
12x more maximum memory size: 288 GB vs 24 GB
Around 63% lower typical power consumption: 80 Watt vs 130 Watt

Launch date	February 2011 vs March 2010
Maximum memory size	288 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

2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 125% higher clock speed: 3.60 GHz vs 1.6 GHz
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% 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
2.2x better performance in PassMark - Single thread mark: 1575 vs 710
Around 98% better performance in PassMark - CPU mark: 7024 vs 3548

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 4
Maximum frequency	3.60 GHz vs 1.6 GHz
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	1575 vs 710
PassMark - CPU mark	7024 vs 3548

Compare benchmarks

CPU 1: Intel Xeon E5603
CPU 2: Intel Xeon W3680

PassMark - Single thread mark

CPU 1

CPU 2

710

1575

PassMark - CPU mark

CPU 1

CPU 2

3548

7024

Name	Intel Xeon E5603	Intel Xeon W3680
PassMark - Single thread mark	710	1575
PassMark - CPU mark	3548	7024
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 E5603	Intel Xeon W3680
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	February 2011	March 2010
Launch price (MSRP)	$286	$350
Place in performance rating	2593	2567
Price now	$129.04	$759.95
Processor Number	E5603	W3680
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	5.40	3.52
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.60 GHz	3.33 GHz
Bus Speed	4.8 GT/s QPI	6.4 GT/s QPI
Die size	239 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	32 nm	32 nm
Maximum frequency	1.6 GHz	3.60 GHz
Number of cores	4	6
Number of QPI Links	2	1
Number of threads	4	12
Transistor count	1170 million	1170 million
VID voltage range	0.750V-1.350V	0.800V-1.375V
Maximum core temperature		67.9°C
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	25.6 GB/s	32 GB/s
Maximum memory size	288 GB	24 GB
Supported memory types	DDR3 800/1066	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
Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)