Ryzen 7 PRO 8840HS vs Core 2 Duo E6400

Aggregate performance score

Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49
Ryzen 7 PRO 8840HS
2024
8 cores / 16 threads, 28 Watt
16.77
+3322%

Ryzen 7 PRO 8840HS outperforms Core 2 Duo E6400 by a whopping 3322% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6400 and Ryzen 7 PRO 8840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2887386
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency0.7156.68
Architecture codenameConroe (2006−2007)Hawk Point (2024)
Release dateJuly 2006 (18 years ago)16 April 2024 (less than a year ago)

Detailed specifications

Core 2 Duo E6400 and Ryzen 7 PRO 8840HS 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)8 (Octa-Core)
Threads216
Base clock speed2.13 GHz3.3 GHz
Boost clock speed2.13 GHz5.1 GHz
Bus rate1066 MHzno data
L1 cache64 KB64 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cache0 KB16 MB (shared)
Chip lithography65 nm4 nm
Die size143 mm2178 mm2
Maximum core temperature61 °Cno data
Number of transistors291 million25,000 million
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6400 and Ryzen 7 PRO 8840HS 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
SocketLGA775,PLGA775FP7
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Ryzen 7 PRO 8840HS. You'll probably need this information if you require some particular technology.

AES-NI-+
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
Precision Boost 2no data+

Security technologies

Core 2 Duo E6400 and Ryzen 7 PRO 8840HS 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 E6400 and Ryzen 7 PRO 8840HS are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Ryzen 7 PRO 8840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Ryzen 7 PRO 8840HS.

PCIe versionno data4.0
PCI Express lanesno data20

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 E6400 0.49
Ryzen 7 PRO 8840HS 16.77
+3322%

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 E6400 780
Ryzen 7 PRO 8840HS 26644
+3316%

Gaming performance

Pros & cons summary


Performance score 0.49 16.77
Physical cores 2 8
Threads 2 16
Chip lithography 65 nm 4 nm
Power consumption (TDP) 65 Watt 28 Watt

Ryzen 7 PRO 8840HS has a 3322.4% higher aggregate performance score, 300% more physical cores and 700% more threads, a 1525% more advanced lithography process, and 132.1% lower power consumption.

The Ryzen 7 PRO 8840HS is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Note that Core 2 Duo E6400 is a desktop processor while Ryzen 7 PRO 8840HS is a server/workstation one.


Should you still have questions on choice between Core 2 Duo E6400 and Ryzen 7 PRO 8840HS, 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 E6400
Core 2 Duo E6400
AMD Ryzen 7 PRO 8840HS
Ryzen 7 PRO 8840HS

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Community ratings

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


3.3 150 votes

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4.6 11 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E6400 or Ryzen 7 PRO 8840HS, agree or disagree with our judgements, or report an error or mismatch.