Xeon E5405 vs Core 2 Quad Q9400

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Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.34
+22.9%
Xeon E5405
2007
4 cores / 4 threads, 80 Watt
1.09

Core 2 Quad Q9400 outperforms Xeon E5405 by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23922555
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.20
Market segmentDesktop processorServer
Power efficiency1.361.31
DesignerIntelIntel
Manufacturerno dataIntel
Architecture codenameYorkfield (2007−2009)Harpertown (2007−2008)
Release dateAugust 2008 (16 years ago)11 November 2007 (17 years ago)
Launch price (MSRP)no data$209

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Core 2 Quad Q9400 and Xeon E5405 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 GHz
Boost clock speed2.67 GHz2 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)64 KB (per core)
L2 cache6 MB (shared)6 MB (per die)
L3 cache0 KB12 MB L2 Cache
Chip lithography45 nm45 nm
Die size2x 81 mm22x 107 mm2
Maximum case temperature (TCase)71 °C63 °C
Number of transistors456 million820 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V0.85V-1.35V

Compatibility

Information on Core 2 Quad Q9400 and Xeon E5405 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
SocketLGA775LGA771
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Xeon E5405. 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--
FSB parity-+

Security technologies

Core 2 Quad Q9400 and Xeon E5405 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 E5405 are enumerated here.

VT-d+no data
VT-x++
EPTno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Xeon E5405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2, DDR3 Depends on motherboard

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 E5405.

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.

Core 2 Quad Q9400 1.34
+22.9%
Xeon E5405 1.09

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. Other than that, Passmark measures multi-core performance.

Core 2 Quad Q9400 2152
+23%
Xeon E5405 1750

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 337
+11.6%
Xeon E5405 302

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 938
Xeon E5405 1050
+11.9%

Gaming performance

Pros & cons summary


Performance score 1.34 1.09
Power consumption (TDP) 95 Watt 80 Watt

Core 2 Quad Q9400 has a 22.9% higher aggregate performance score.

Xeon E5405, on the other hand, has 18.8% lower power consumption.

The Intel Core 2 Quad Q9400 is our recommended choice as it beats the Intel Xeon E5405 in performance tests.

Note that Core 2 Quad Q9400 is a desktop processor while Xeon E5405 is a server/workstation one.

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Xeon E5405
Xeon E5405

Other comparisons

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Community ratings

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


4.2 1631 votes

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3.6 31 votes

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