Ryzen 5 PRO 8540U vs Core 2 Duo T6400

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Primary details

Comparing Core 2 Duo T6400 and Ryzen 5 PRO 8540U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated692
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Core 2 Duono data
Power efficiencyno data37.68
Architecture codenamePenryn (2008−2011)Hawk Point (2024)
Release date1 January 2009 (15 years ago)16 April 2024 (less than a year ago)

Detailed specifications

Core 2 Duo T6400 and Ryzen 5 PRO 8540U 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)
Threads212
Base clock speed2 GHz3.2 GHz
Boost clock speed2 GHz4.9 GHz
Bus rate800 MHzno data
L1 cacheno data64 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cache2 MB L2 Cache16 MB (shared)
Chip lithography45 nm4 nm
Die sizeno data137 mm2
Maximum core temperature105 °Cno data
Number of transistorsno data20,900 million
64 bit support++
Windows 11 compatibility-no data
VID voltage range1V-1.25Vno data

Compatibility

Information on Core 2 Duo T6400 and Ryzen 5 PRO 8540U 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 configurationno data1
SocketPGA478FP7
Power consumption (TDP)35 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Ryzen 5 PRO 8540U. 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
Demand Based Switching-no data
Precision Boost 2no data+

Security technologies

Core 2 Duo T6400 and Ryzen 5 PRO 8540U 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 T6400 and Ryzen 5 PRO 8540U are enumerated here.

AMD-V-+
VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Ryzen 5 PRO 8540U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 740M

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Ryzen 5 PRO 8540U.

PCIe versionno data4.0
PCI Express lanesno data14

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 T6400 729
Ryzen 5 PRO 8540U 17708
+2329%

Pros & cons summary


Recency 1 January 2009 16 April 2024
Physical cores 2 6
Threads 2 12
Chip lithography 45 nm 4 nm
Power consumption (TDP) 35 Watt 28 Watt

Ryzen 5 PRO 8540U has an age advantage of 15 years, 200% more physical cores and 500% more threads, a 1025% more advanced lithography process, and 25% lower power consumption.

We couldn't decide between Core 2 Duo T6400 and Ryzen 5 PRO 8540U. We've got no test results to judge.

Be aware that Core 2 Duo T6400 is a notebook processor while Ryzen 5 PRO 8540U is a server/workstation one.


Should you still have questions on choice between Core 2 Duo T6400 and Ryzen 5 PRO 8540U, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo T6400
Core 2 Duo T6400
AMD Ryzen 5 PRO 8540U
Ryzen 5 PRO 8540U

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Community ratings

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Questions & comments

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