Core 2 Quad Q9450 vs Xeon W3550

Aggregate performance score

Xeon W3550
2009
4 cores / 8 threads, 130 Watt
2.04
+47.8%
Core 2 Quad Q9450
2008
4 cores / 4 threads, 95 Watt
1.38

Xeon W3550 outperforms Core 2 Quad Q9450 by a considerable 48% based on our aggregate benchmark results.

Primary details

Comparing Xeon W3550 and Core 2 Quad Q9450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19022222
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.58no data
Market segmentServerDesktop processor
Power efficiency1.481.37
Architecture codenameBloomfield (2008−2010)Yorkfield (2007−2009)
Release date9 August 2009 (15 years ago)March 2008 (16 years ago)
Launch price (MSRP)$235no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon W3550 and Core 2 Quad Q9450 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.06 GHz2.66 GHz
Boost clock speed3.33 GHz2.67 GHz
Bus rateno data1333 MHz
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)12 MB (shared)
L3 cache8 MB (shared)0 KB
Chip lithography45 nm45 nm
Die size263 mm22x 107 mm2
Maximum core temperature68 °Cno data
Maximum case temperature (TCase)no data71 °C
Number of transistors731 million820 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon W3550 and Core 2 Quad Q9450 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1366LGA775
Power consumption (TDP)130 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3550 and Core 2 Quad Q9450. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Demand Based Switching+-
PAE36 Bitno data
FSB parityno data+

Security technologies

Xeon W3550 and Core 2 Quad Q9450 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3550 and Core 2 Quad Q9450 are enumerated here.

VT-dno data+
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3550 and Core 2 Quad Q9450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size24 GBno data
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Xeon W3550 and Core 2 Quad Q9450.

PCIe version2.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon W3550 2.04
+47.8%
Core 2 Quad Q9450 1.38

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon W3550 3227
+47.6%
Core 2 Quad Q9450 2186

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon W3550 465
+35.2%
Core 2 Quad Q9450 344

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon W3550 1571
+65%
Core 2 Quad Q9450 952

Gaming performance

Pros & cons summary


Performance score 2.04 1.38
Threads 8 4
Power consumption (TDP) 130 Watt 95 Watt

Xeon W3550 has a 47.8% higher aggregate performance score, and 100% more threads.

Core 2 Quad Q9450, on the other hand, has 36.8% lower power consumption.

The Xeon W3550 is our recommended choice as it beats the Core 2 Quad Q9450 in performance tests.

Be aware that Xeon W3550 is a server/workstation processor while Core 2 Quad Q9450 is a desktop one.


Should you still have questions on choice between Xeon W3550 and Core 2 Quad Q9450, ask them in Comments section, and we shall answer.

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Intel Xeon W3550
Xeon W3550
Intel Core 2 Quad Q9450
Core 2 Quad Q9450

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Community ratings

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Questions & comments

Here you can ask a question about Xeon W3550 or Core 2 Quad Q9450, agree or disagree with our judgements, or report an error or mismatch.