Xeon E5450 vs Core 2 Extreme QX6700

VS

Aggregate performance score

Core 2 Extreme QX6700
2006
4 cores / 4 threads, 130 Watt
1.33

Xeon E5450 outperforms Core 2 Extreme QX6700 by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme (Desktop) QX6700 and Xeon E5450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22602095
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
SeriesCore 2 Extreme (Desktop)no data
Power efficiency0.971.92
Architecture codenameKentsfield (2007)no data
Release dateno data1 October 2007 (17 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6700 and Xeon E5450 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)no data
Threads4no data
Base clock speedno data3 GHz
Boost clock speed2.67 GHzno data
Bus rate1066 MHzno data
L1 cache64K (per core)no data
L2 cache8 MB (shared)no data
L3 cache0 KB12 MB L2 Cache
Chip lithography65 nm45 nm
Die size2x 143 mm2no data
Maximum core temperatureno data67 °C
Maximum case temperature (TCase)64 °Cno data
Number of transistors582 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Core 2 Extreme (Desktop) QX6700 and Xeon E5450 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 configuration1no data
Socket775LGA771
Power consumption (TDP)130 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6700 and Xeon E5450. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data+
FSB parityno data+

Security technologies

Core 2 Extreme (Desktop) QX6700 and Xeon E5450 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6700 and Xeon E5450 are enumerated here.

VT-xno data+
EPTno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6700 and Xeon E5450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no 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.

Core 2 Extreme QX6700 1.33
Xeon E5450 1.62
+21.8%

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 Extreme QX6700 2118
Xeon E5450 2581
+21.9%

Gaming performance

Pros & cons summary


Performance score 1.33 1.62
Chip lithography 65 nm 45 nm
Power consumption (TDP) 130 Watt 80 Watt

Xeon E5450 has a 21.8% higher aggregate performance score, a 44.4% more advanced lithography process, and 62.5% lower power consumption.

The Xeon E5450 is our recommended choice as it beats the Core 2 Extreme QX6700 in performance tests.

Note that Core 2 Extreme QX6700 is a desktop processor while Xeon E5450 is a server/workstation one.


Should you still have questions on choice between Core 2 Extreme QX6700 and Xeon E5450, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX6700
Core 2 Extreme QX6700
Intel Xeon E5450
Xeon E5450

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Community ratings

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4.3 46 votes

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4.2 1292 votes

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Questions & comments

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