Opteron 4334 vs Core 2 Duo E6420

#ad 
Buy on Amazon
VS

Aggregate performance score

Core 2 Duo E6420
2007
2 cores / 2 threads, 65 Watt
0.47
Opteron 4334
2012
6 cores / 6 threads, 95 Watt
2.49
+430%

Opteron 4334 outperforms Core 2 Duo E6420 by a whopping 430% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6420 and Opteron 4334 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29201760
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency0.682.48
Architecture codenameConroe (2006−2007)Seoul (2012)
Release dateApril 2007 (17 years ago)4 December 2012 (12 years ago)

Detailed specifications

Core 2 Duo E6420 and Opteron 4334 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 speed2.13 GHz3.1 GHz
Boost clock speed2.13 GHz3.5 GHz
Bus rate1066 MHzno data
L1 cache64 KB288 KB
L2 cache4 MB6144 KB
L3 cache0 KB8192 KB (shared)
Chip lithography65 nm32 nm
Die size111 mm2315 mm2
Maximum core temperature60 °Cno data
Number of transistors167 million1,200 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6420 and Opteron 4334 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 configuration12
SocketPLGA775C32
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6420 and Opteron 4334. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+
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 Opteron 4334 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 Opteron 4334 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6420 and Opteron 4334. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

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
Opteron 4334 2.49
+430%

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
Opteron 4334 3949
+425%

Gaming performance

Pros & cons summary


Performance score 0.47 2.49
Physical cores 2 6
Threads 2 6
Chip lithography 65 nm 32 nm
Power consumption (TDP) 65 Watt 95 Watt

Core 2 Duo E6420 has 46.2% lower power consumption.

Opteron 4334, on the other hand, has a 429.8% higher aggregate performance score, 200% more physical cores and 200% more threads, and a 103.1% more advanced lithography process.

The Opteron 4334 is our recommended choice as it beats the Core 2 Duo E6420 in performance tests.

Note that Core 2 Duo E6420 is a desktop processor while Opteron 4334 is a server/workstation one.


Should you still have questions on choice between Core 2 Duo E6420 and Opteron 4334, 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 Opteron  4334
Opteron 4334

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.


3.4 51 vote

Rate Core 2 Duo E6420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Opteron 4334 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6420 or Opteron 4334, agree or disagree with our judgements, or report an error or mismatch.