A9-9420 vs Core 2 Duo T6400

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Primary details

Comparing Core 2 Duo T6400 and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot rated2471
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoAMD Bristol Ridge
Architecture codenamePenryn (2008−2011)Stoney Ridge (2016−2019)
Release date1 January 2009 (15 years ago)1 June 2016 (8 years ago)

Detailed specifications

Core 2 Duo T6400 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 GHz3 GHz
Boost clock speed2 GHz3.6 GHz
Bus rate800 MHzno data
L1 cacheno data160 KB
L2 cache2 MB1 MB
L3 cache2 MB L2 Cacheno data
Chip lithography45 nm28 nm
Die sizeno data124.5 mm2
Maximum core temperature105 °C90 °C
Maximum case temperature (TCase)no data74 °C
Number of transistorsno data1200 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1V-1.25Vno data

Compatibility

Information on Core 2 Duo T6400 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 configurationno data1
SocketPGA478BGA
Power consumption (TDP)35 Watt10-25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 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
Demand Based Switching-no data
StatusDiscontinuedno data

Security technologies

Core 2 Duo T6400 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 T6400 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 T6400 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4

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 T6400 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.


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 726
A9-9420 1501
+107%

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 T6400 232
A9-9420 325
+40.1%

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 T6400 359
A9-9420 500
+39.3%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo T6400 2115
A9-9420 2875
+35.9%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo T6400 4005
A9-9420 4841
+20.9%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T6400 39.42
A9-9420 21.29
+85.2%

Pros & cons summary


Recency 1 January 2009 1 June 2016
Chip lithography 45 nm 28 nm
Power consumption (TDP) 35 Watt 10 Watt

A9-9420 has an age advantage of 7 years, a 60.7% more advanced lithography process, and 250% lower power consumption.

We couldn't decide between Core 2 Duo T6400 and A9-9420. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo T6400 and A9-9420, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo T6400
Core 2 Duo T6400
AMD A9-9420
A9-9420

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Community ratings

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


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Questions & comments

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