Xeon E5506 vs Core 2 Quad Q9400

VS

Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35
+10.7%
Xeon E5506
2009
4 cores / 4 threads, 80 Watt
1.22

Core 2 Quad Q9400 outperforms Xeon E5506 by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9400 and Xeon E5506 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22562333
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data3.57
Market segmentDesktop processorServer
Power efficiency1.341.44
Architecture codenameYorkfield (2007−2009)Gainestown (2009−2010)
Release dateAugust 2008 (16 years ago)30 March 2009 (15 years ago)
Launch price (MSRP)no data$43

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q9400 and Xeon E5506 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)
Threads44
Base clock speed2.66 GHz2.13 GHz
Boost clock speed2.67 GHz0.13 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)64 KB (per core)
L2 cache6 MB (shared)256 KB (per core)
L3 cache0 KB4 MB (shared)
Chip lithography45 nm45 nm
Die size2x 81 mm2263 mm2
Maximum core temperatureno data76 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million731 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Xeon E5506 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 configuration12
SocketLGA775FCLGA1366,PLGA1366
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Xeon E5506. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring+-
Demand Based Switching-+
PAEno data40 Bit
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and Xeon E5506 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Xeon E5506 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Xeon E5506. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data144 GB
Max memory channelsno data3
Maximum memory bandwidthno data19.2 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Xeon E5506.

PCIe versionno data2.0

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.

Core 2 Quad Q9400 1.35
+10.7%
Xeon E5506 1.22

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.

Core 2 Quad Q9400 2138
+10%
Xeon E5506 1944

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.

Core 2 Quad Q9400 334
Xeon E5506 353
+5.7%

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.

Core 2 Quad Q9400 925
Xeon E5506 1125
+21.6%

Gaming performance

Pros & cons summary


Performance score 1.35 1.22
Power consumption (TDP) 95 Watt 80 Watt

Core 2 Quad Q9400 has a 10.7% higher aggregate performance score.

Xeon E5506, on the other hand, has 18.8% lower power consumption.

The Core 2 Quad Q9400 is our recommended choice as it beats the Xeon E5506 in performance tests.

Note that Core 2 Quad Q9400 is a desktop processor while Xeon E5506 is a server/workstation one.


Should you still have questions on choice between Core 2 Quad Q9400 and Xeon E5506, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Xeon E5506
Xeon E5506

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 1573 votes

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Questions & comments

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