Opteron 850 vs Core 2 Duo E8500

Primary details

Comparing Core 2 Duo E8500 and Opteron 850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2597not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency1.16no data
Architecture codenameWolfdale (2008−2010)SledgeHammer (2003−2005)
Release dateJanuary 2008 (16 years ago)December 2004 (19 years ago)

Detailed specifications

Core 2 Duo E8500 and Opteron 850 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 cores2 (Dual-core)1 (Single-Core)
Threads21
Base clock speed3.16 GHzno data
Boost clock speed3.17 GHz2.4 GHz
Bus rate1333 MHzno data
L1 cache64 KB128 KB
L2 cache6 MB (shared)1 MB
L3 cache0 KB0 KB
Chip lithography45 nm130 nm
Die size107 mm2193 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 million106 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8500 and Opteron 850 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 configuration18
SocketLGA775940
Power consumption (TDP)65 Watt89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8500 and Opteron 850. 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

Core 2 Duo E8500 and Opteron 850 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 Core 2 Duo E8500 and Opteron 850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8500 and Opteron 850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Pros & cons summary


Physical cores 2 1
Threads 2 1
Chip lithography 45 nm 130 nm
Power consumption (TDP) 65 Watt 89 Watt

Core 2 Duo E8500 has 100% more physical cores and 100% more threads, a 188.9% more advanced lithography process, and 36.9% lower power consumption.

We couldn't decide between Core 2 Duo E8500 and Opteron 850. We've got no test results to judge.

Note that Core 2 Duo E8500 is a desktop processor while Opteron 850 is a server/workstation one.


Should you still have questions on choice between Core 2 Duo E8500 and Opteron 850, 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 Core 2 Duo E8500
Core 2 Duo E8500
AMD Opteron 850
Opteron 850

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.


3.8 623 votes

Rate Core 2 Duo E8500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 2 votes

Rate Opteron 850 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E8500 or Opteron 850, agree or disagree with our judgements, or report an error or mismatch.