Core 2 Quad Q9400s vs Xeon X5570

Primary details

Comparing Xeon X5570 and Core 2 Quad Q9400s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1895not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.98no data
Market segmentServerDesktop processor
Power efficiency2.07no data
Architecture codenameGainestown (2009−2010)Yorkfield (2007−2009)
Release date30 March 2009 (15 years ago)18 January 2009 (15 years ago)
Launch price (MSRP)$49no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon X5570 and Core 2 Quad Q9400s 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 speed2.93 GHz2.66 GHz
Boost clock speed3.33 GHz0.67 GHz
Bus rateno data1333 MHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)6 MB (shared)
L3 cache8 MB (shared)0 KB
Chip lithography45 nm45 nm
Die size263 mm22x 82 mm2
Maximum core temperature75 °Cno data
Maximum case temperature (TCase)no data76 °C
Number of transistors731 million456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon X5570 and Core 2 Quad Q9400s 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 configuration21
SocketFCLGA1366LGA775
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5570 and Core 2 Quad Q9400s. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Demand Based Switching+-
PAE40 Bitno data
FSB parityno data-

Security technologies

Xeon X5570 and Core 2 Quad Q9400s technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5570 and Core 2 Quad Q9400s are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5570 and Core 2 Quad Q9400s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size144 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon X5570 and Core 2 Quad Q9400s.

PCIe version2.02.0

Pros & cons summary


Recency 30 March 2009 18 January 2009
Threads 8 4
Power consumption (TDP) 95 Watt 65 Watt

Xeon X5570 has an age advantage of 2 months, and 100% more threads.

Core 2 Quad Q9400s, on the other hand, has 46.2% lower power consumption.

We couldn't decide between Xeon X5570 and Core 2 Quad Q9400s. We've got no test results to judge.

Be aware that Xeon X5570 is a server/workstation processor while Core 2 Quad Q9400s is a desktop one.


Should you still have questions on choice between Xeon X5570 and Core 2 Quad Q9400s, ask them in Comments section, and we shall answer.

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Intel Xeon X5570
Xeon X5570
Intel Core 2 Quad Q9400s
Core 2 Quad Q9400s

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Community ratings

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3.9 96 votes

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3.5 23 votes

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