Intel Xeon W3550 vs Intel Xeon W3505

Comparative analysis of Intel Xeon W3550 and Intel Xeon W3505 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.

Intel Xeon W3550

Intel Xeon W3505

Differences

Reasons to consider the Intel Xeon W3550

CPU is newer: launch date 5 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 32% higher clock speed: 3.33 GHz vs 2.53 GHz
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
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 27% better performance in PassMark - Single thread mark: 1409 vs 1106
2.8x better performance in PassMark - CPU mark: 3227 vs 1161

Specifications (specs)
Launch date	August 2009 vs March 2009
Number of cores	4 vs 2
Maximum frequency	3.33 GHz vs 2.53 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	8192 KB (shared) vs 4096 KB (shared)
Benchmarks
PassMark - Single thread mark	1409 vs 1106
PassMark - CPU mark	3227 vs 1161

Compare benchmarks

CPU 1: Intel Xeon W3550
CPU 2: Intel Xeon W3505

PassMark - Single thread mark

CPU 1

CPU 2

1409

1106

PassMark - CPU mark

CPU 1

CPU 2

3227

1161

Name	Intel Xeon W3550	Intel Xeon W3505
PassMark - Single thread mark	1409	1106
PassMark - CPU mark	3227	1161
Geekbench 4 - Single Core	548
Geekbench 4 - Multi-Core	2171

Compare specifications (specs)

	Intel Xeon W3550	Intel Xeon W3505
Essentials
Architecture codename	Bloomfield	Bloomfield
Launch date	August 2009	March 2009
Launch price (MSRP)	$235
Place in performance rating	2166	2175
Price now	$59.95
Processor Number	W3550
Series	Legacy Intel® Xeon® Processors
Status	Discontinued
Value for money (0-100)	27.98
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.06 GHz
Bus Speed	4.8 GT/s QPI
Die size	263 mm2	263 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	4096 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	67.9°C
Maximum frequency	3.33 GHz	2.53 GHz
Number of cores	4	2
Number of QPI Links	1
Number of threads	8
Transistor count	731 million	731 million
VID voltage range	0.800V-1.375V
Memory
ECC memory support
Max memory channels	3
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	24 GB
Supported memory types	DDR3 800/1066	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42.5mm x 45.0mm
Sockets supported	FCLGA1366	1366
Thermal Design Power (TDP)	130 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 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)