Xeon 5040 vs Opteron 850

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Primary details

Comparing Opteron 850 and Xeon 5040 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Architecture codenameSledgeHammer (2003−2004)Dempsey (2006)
Release dateDecember 2004 (19 years ago)May 2006 (18 years ago)
Current price$43 $494

Detailed specifications

Opteron 850 and Xeon 5040 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 cores1 (Single-Core)2 (Dual-core)
Threads14
Base clock speedno data2.83 GHz
Boost clock speed2.4 GHz2.83 GHz
L1 cache128 KB0 KB
L2 cache1 MB2 MB
L3 cache0 KB0 KB
Chip lithography130 nm65 nm
Die size193 mm2no data
Maximum core temperatureno data67 °C
Number of transistors106 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage rangeno data1.075V-1.35V

Compatibility

Information on Opteron 850 and Xeon 5040 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 configuration81
Socket940PLGA771
Power consumption (TDP)89 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 850 and Xeon 5040. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data-
Demand Based Switchingno data-
PAEno data32 Bit
FSB parityno data+
Statusno dataDiscontinued

Security technologies

Opteron 850 and Xeon 5040 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 850 and Xeon 5040 are enumerated here.

VT-xno data+
EPTno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 850 and Xeon 5040. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR2
ECC memory supportno data-

Pros & cons summary


Physical cores 1 2
Threads 1 4
Chip lithography 130 nm 65 nm
Power consumption (TDP) 89 Watt 95 Watt

We couldn't decide between Opteron 850 and Xeon 5040. We've got no test results to judge.


Should you still have questions on choice between Opteron 850 and Xeon 5040, ask them in Comments section, and we shall answer.

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AMD Opteron 850
Opteron 850
Intel Xeon 5040
Xeon 5040

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Community ratings

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Questions & comments

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