Opteron X2 865 vs Pentium G645T

Primary details

Comparing Pentium G645T and Opteron X2 865 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2623not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency2.08no data
Architecture codenameSandy Bridge (2011−2013)Egypt (2005−2006)
Release date2 September 2012 (12 years ago)September 2005 (19 years ago)

Detailed specifications

Pentium G645T and Opteron X2 865 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)2 (Dual-core)
Threads22
Base clock speed2.5 GHzno data
Boost clock speed2.5 GHz1.8 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB
L2 cache256 KB (per core)1 MB
L3 cache3 MB (shared)0 KB
Chip lithography32 nm90 nm
Die size131 mm2no data
Maximum core temperature65 °Cno data
Number of transistors504 million233 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium G645T and Opteron X2 865 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
SocketFCLGA1155940
Power consumption (TDP)35 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645T and Opteron X2 865. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium G645T and Opteron X2 865 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 Pentium G645T and Opteron X2 865 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645T and Opteron X2 865. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth17 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® Processorsno data
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium G645T and Opteron X2 865 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645T and Opteron X2 865.

PCIe version2.0no data
PCI Express lanes16no data

Pros & cons summary


Chip lithography 32 nm 90 nm
Power consumption (TDP) 35 Watt 95 Watt

Pentium G645T has a 181.3% more advanced lithography process, and 171.4% lower power consumption.

We couldn't decide between Pentium G645T and Opteron X2 865. We've got no test results to judge.

Note that Pentium G645T is a desktop processor while Opteron X2 865 is a server/workstation one.


Should you still have questions on choice between Pentium G645T and Opteron X2 865, ask them in Comments section, and we shall answer.

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Intel Pentium G645T
Pentium G645T
AMD Opteron X2 865
Opteron X2 865

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