Phenom II X6 1055T (125W) vs Core 2 Duo E6550

Primary details

Comparing Core 2 Duo E6550 and Phenom II X6 1055T (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2821not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.81no data
Architecture codenameConroe (2006−2007)Thuban (2010)
Release dateJuly 2007 (17 years ago)27 April 2010 (14 years ago)

Detailed specifications

Core 2 Duo E6550 and Phenom II X6 1055T (125W) 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)6 (Hexa-Core)
Threads26
Base clock speed2.33 GHz2.8 GHz
Boost clock speed2.33 GHz3.3 GHz
Bus rate1333 MHzno data
L1 cache64 KB128 KB (per core)
L2 cache4 MB512 KB (per core)
L3 cache0 KB6 MB (shared)
Chip lithography65 nm45 nm
Die size143 mm2346 mm2
Maximum core temperature72 °Cno data
Number of transistors291 million904 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6550 and Phenom II X6 1055T (125W) 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 configuration11
SocketPLGA775AM3
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Phenom II X6 1055T (125W). 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 E6550 and Phenom II X6 1055T (125W) 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 E6550 and Phenom II X6 1055T (125W) are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and Phenom II X6 1055T (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6550 and Phenom II X6 1055T (125W).

PCIe versionno data2.0

Pros & cons summary


Physical cores 2 6
Threads 2 6
Chip lithography 65 nm 45 nm
Power consumption (TDP) 65 Watt 125 Watt

Core 2 Duo E6550 has 92.3% lower power consumption.

Phenom II X6 1055T (125W), on the other hand, has 200% more physical cores and 200% more threads, and a 44.4% more advanced lithography process.

We couldn't decide between Core 2 Duo E6550 and Phenom II X6 1055T (125W). We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo E6550 and Phenom II X6 1055T (125W), 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 E6550
Core 2 Duo E6550
AMD Phenom II X6 1055T (125W)
Phenom II X6 1055T (125W)

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.


3.3 363 votes

Rate Core 2 Duo E6550 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 209 votes

Rate Phenom II X6 1055T (125W) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6550 or Phenom II X6 1055T (125W), agree or disagree with our judgements, or report an error or mismatch.