A9-9420 vs Core 2 Duo E6550

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Aggregate performance score

Core 2 Duo E6550
2007
2 cores / 2 threads, 65 Watt
0.58

A9-9420 outperforms Core 2 Duo E6550 by an impressive 69% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6550 and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28132500
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Bristol Ridge
Power efficiency0.815.96
Architecture codenameConroe (2006−2007)Stoney Ridge (2016−2019)
Release dateJuly 2007 (17 years ago)31 May 2016 (8 years ago)

Detailed specifications

Core 2 Duo E6550 and A9-9420 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 GHz3 GHz
Boost clock speed2.33 GHz3.6 GHz
Bus rate1333 MHzno data
L1 cache64 KB160 KB
L2 cache4 MB1 MB (shared)
L3 cache0 KBno data
Chip lithography65 nm28 nm
Die size143 mm2125 mm2
Maximum core temperature72 °C90 °C
Maximum case temperature (TCase)no data74 °C
Number of transistors291 million1,200 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6550 and A9-9420 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
SocketPLGA775FT4
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataVirtualization,
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 E6550 and A9-9420 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 A9-9420 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataRadeon R5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6550 and A9-9420.

PCIe versionno data3.0
PCI Express lanesno data8

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 E6550 0.58
A9-9420 0.98
+69%

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 893
A9-9420 1498
+67.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo E6550 260
A9-9420 325
+25%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo E6550 431
A9-9420 500
+16%

Gaming performance

Pros & cons summary


Performance score 0.58 0.98
Chip lithography 65 nm 28 nm
Power consumption (TDP) 65 Watt 15 Watt

A9-9420 has a 69% higher aggregate performance score, a 132.1% more advanced lithography process, and 333.3% lower power consumption.

The A9-9420 is our recommended choice as it beats the Core 2 Duo E6550 in performance tests.

Note that Core 2 Duo E6550 is a desktop processor while A9-9420 is a notebook one.


Should you still have questions on choice between Core 2 Duo E6550 and A9-9420, 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 A9-9420
A9-9420

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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.


3.3 360 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E6550 or A9-9420, agree or disagree with our judgements, or report an error or mismatch.