Core 2 Duo E6600 vs Xeon E5420

VS

Aggregate performance score

Xeon E5420
2007
80 Watt
1.32
+120%

Xeon E5420 outperforms Core 2 Duo E6600 by a whopping 120% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5420 and Core 2 Duo (Desktop) E6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22752800
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Seriesno dataCore 2 Duo (Desktop)
Power efficiency1.500.84
Architecture codenameno dataConroe (2006−2007)
Release date1 October 2007 (17 years ago)no data (2024 years ago)

Detailed specifications

Xeon E5420 and Core 2 Duo (Desktop) E6600 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 coresno data2 (Dual-core)
Threadsno data2
Base clock speed2.5 GHzno data
Boost clock speedno data2.4 GHz
Bus rateno data1066 MHz
L3 cache12 MB L2 Cacheno data
Chip lithography45 nm65 nm
Maximum core temperature67 °Cno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5420 and Core 2 Duo (Desktop) E6600 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.

SocketLGA771no data
Power consumption (TDP)80 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Core 2 Duo (Desktop) E6600. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5420 and Core 2 Duo (Desktop) E6600 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Core 2 Duo (Desktop) E6600 are enumerated here.

VT-x+no data
EPT-no 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 E5420 1.32
+120%
Core 2 Duo E6600 0.60

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 E5420 2022
+120%
Core 2 Duo E6600 919

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 E5420 368
+39.9%
Core 2 Duo E6600 263

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 E5420 1197
+185%
Core 2 Duo E6600 420

Gaming performance

Pros & cons summary


Performance score 1.32 0.60
Chip lithography 45 nm 65 nm
Power consumption (TDP) 80 Watt 65 Watt

Xeon E5420 has a 120% higher aggregate performance score, and a 44.4% more advanced lithography process.

Core 2 Duo E6600, on the other hand, has 23.1% lower power consumption.

The Xeon E5420 is our recommended choice as it beats the Core 2 Duo E6600 in performance tests.

Be aware that Xeon E5420 is a server/workstation processor while Core 2 Duo E6600 is a desktop one.


Should you still have questions on choice between Xeon E5420 and Core 2 Duo E6600, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E5420
Xeon E5420
Intel Core 2 Duo E6600
Core 2 Duo E6600

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.8 159 votes

Rate Xeon E5420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 431 vote

Rate Core 2 Duo E6600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5420 or Core 2 Duo E6600, agree or disagree with our judgements, or report an error or mismatch.