Athlon 64 X2 TK-42 vs Core 2 Duo E6550

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Duo E6600 Duo E6700 Duo E6850 Duo E6300 Duo E6305 Duo E6320 Duo E6400 Duo E6420 Duo E6540 Duo E6550 Duo E6750 Extreme X6800
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Contents

Core 2 Duo E6550 Core 2 Duo E6550
Athlon 64 X2 TK-42 Athlon 64 X2 TK-42

Primary details

Comparing Core 2 Duo E6550 and Athlon 64 X2 TK-42 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2781not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno data2x AMD Athlon 64
Architecture codenameConroe (2006−2007)Tyler (2007−2009)
Release dateJuly 2007 (17 years ago)1 November 2009 (14 years ago)

Detailed specifications

Core 2 Duo E6550 and Athlon 64 X2 TK-42 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 speed2.33 GHzno data
Boost clock speed2.33 GHz1.6 GHz
Bus rate1333 MHz1600 MHz
L1 cache64 KB0 MB
L2 cache4 MB1 MB
L3 cache0 KBno data
Chip lithography65 nm65 nm
Die size143 mm2no data
Maximum core temperature72 °C95 °C
Number of transistors291 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6550 and Athlon 64 X2 TK-42 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 configuration1no data
SocketPLGA775Socket S1
Power consumption (TDP)65 Watt20 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Athlon 64 X2 TK-42. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow
PowerNow-+
VirusProtect-+
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
StatusDiscontinuedno data

Security technologies

Core 2 Duo E6550 and Athlon 64 X2 TK-42 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 Athlon 64 X2 TK-42 are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and Athlon 64 X2 TK-42. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no 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.

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.

Core 2 Duo E6550 894
+54.9%
Athlon 64 X2 TK-42 577

Pros & cons summary

Power consumption (TDP) 65 Watt 20 Watt

Athlon 64 X2 TK-42 has 225% lower power consumption.

We couldn't decide between Core 2 Duo E6550 and Athlon 64 X2 TK-42. We've got no test results to judge.

Note that Core 2 Duo E6550 is a desktop processor while Athlon 64 X2 TK-42 is a notebook one.

Should you still have questions on choice between Core 2 Duo E6550 and Athlon 64 X2 TK-42, 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 Athlon 64 X2 TK-42
Athlon 64 X2 TK-42
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Community ratings

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

3.3 358 votes

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

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3.3 8 votes

Rate Athlon 64 X2 TK-42 on a scale of 1 to 5:

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  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6550 or Athlon 64 X2 TK-42, agree or disagree with our judgements, or report an error or mismatch.