Xeon 3065 vs E5645

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Aggregate performance score

Xeon E5645
2010
6 cores / 12 threads, 80 Watt
3.30
+479%

Xeon E5645 outperforms Xeon 3065 by a whopping 479% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5645 and Xeon 3065 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15972825
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.28no data
Market segmentServerServer
Power efficiency3.760.80
Architecture codenameWestmere-EP (2010−2011)no data
Release date16 March 2010 (14 years ago)1 October 2007 (17 years ago)
Launch price (MSRP)$294no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5645 and Xeon 3065 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 cores6 (Hexa-Core)no data
Threads12no data
Base clock speed2.4 GHz2.33 GHz
Boost clock speed2.67 GHzno data
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache12 MB (shared)4 MB L2 Cache
Chip lithography32 nm65 nm
Die size239 mm2no data
Maximum core temperature76 °C72 °C
Number of transistors1,170 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Xeon E5645 and Xeon 3065 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 configuration2no data
SocketFCLGA1366,LGA1366PLGA775
Power consumption (TDP)80 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5645 and Xeon 3065. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
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 E5645 and Xeon 3065 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5645 and Xeon 3065 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Xeon 3065. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size288 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E5645 and Xeon 3065.

PCIe version2.0no 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 E5645 3.30
+479%
Xeon 3065 0.57

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 E5645 5048
+482%
Xeon 3065 867

Gaming performance

Pros & cons summary


Performance score 3.30 0.57
Recency 16 March 2010 1 October 2007
Chip lithography 32 nm 65 nm
Power consumption (TDP) 80 Watt 65 Watt

Xeon E5645 has a 478.9% higher aggregate performance score, an age advantage of 2 years, and a 103.1% more advanced lithography process.

Xeon 3065, on the other hand, has 23.1% lower power consumption.

The Xeon E5645 is our recommended choice as it beats the Xeon 3065 in performance tests.


Should you still have questions on choice between Xeon E5645 and Xeon 3065, ask them in Comments section, and we shall answer.

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Intel Xeon E5645
Xeon E5645
Intel Xeon 3065
Xeon 3065

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Community ratings

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


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Questions & comments

Here you can ask a question about Xeon E5645 or Xeon 3065, agree or disagree with our judgements, or report an error or mismatch.