Athlon II X2 270u vs Core 2 Duo E6420

VS

Aggregate performance score

Core 2 Duo E6420
2007
2 cores / 2 threads, 65 Watt
0.47
+11.9%
Athlon II X2 270u
2010
2 cores / 2 threads, 25 Watt
0.42

Core 2 Duo E6420 outperforms Athlon II X2 270u by a moderate 12% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6420 and Athlon II X2 270u processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29202981
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.681.59
Architecture codenameConroe (2006−2007)Regor (2009−2013)
Release dateApril 2007 (17 years ago)21 September 2010 (14 years ago)
Launch price (MSRP)no data$68

Detailed specifications

Core 2 Duo E6420 and Athlon II X2 270u 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 speed2.13 GHzno data
Boost clock speed2.13 GHz2 GHz
Bus rate1066 MHzno data
L1 cache64 KB128 KB
L2 cache4 MB1 MB
L3 cache0 KB0 KB
Chip lithography65 nm45 nm
Die size111 mm2117 mm2
Maximum core temperature60 °Cno data
Number of transistors167 million410 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6420 and Athlon II X2 270u 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 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6420 and Athlon II X2 270u. 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 E6420 and Athlon II X2 270u 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 E6420 and Athlon II X2 270u are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6420 and Athlon II X2 270u. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6420 and Athlon II X2 270u.

PCIe versionno data2.0

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.

Core 2 Duo E6420 0.47
+11.9%
Athlon II X2 270u 0.42

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 E6420 752
+11.4%
Athlon II X2 270u 675

Gaming performance

Pros & cons summary


Performance score 0.47 0.42
Chip lithography 65 nm 45 nm
Power consumption (TDP) 65 Watt 25 Watt

Core 2 Duo E6420 has a 11.9% higher aggregate performance score.

Athlon II X2 270u, on the other hand, has a 44.4% more advanced lithography process, and 160% lower power consumption.

The Core 2 Duo E6420 is our recommended choice as it beats the Athlon II X2 270u in performance tests.


Should you still have questions on choice between Core 2 Duo E6420 and Athlon II X2 270u, 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 E6420
Core 2 Duo E6420
AMD Athlon II X2 270u
Athlon II X2 270u

Similar processor comparisons

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Community ratings

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


3.4 51 vote

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3.6 8 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E6420 or Athlon II X2 270u, agree or disagree with our judgements, or report an error or mismatch.