Intel Core 2 Duo T6400: specs and benchmarks

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Intel Core 2 Duo T6400
Intel Core 2 Duo T6400
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  • Core clock speed
  • Max video memory
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  • Memory clock speed
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Year of release 2009
Performance 0.70

Summary

Intel started Intel Core 2 Duo T6400 sales 1 January 2009. This is Penryn architecture notebook processor primarily aimed at office systems. It has 2 cores and 2 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 2000 MHz and a locked multiplier.

Compatibility-wise, this is PGA478 processor with a TDP of 35 Watt.

It provides poor benchmark performance at

0.70%

of a leader's which is AMD EPYC 7H12.

General info

Core 2 Duo T6400 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance rating2569
Market segmentLaptop
SeriesIntel Core 2 Duo
Architecture codenamePenryn (2008−2011)
Release date1 January 2009 (13 years ago)
Current price$33 of 18493 (Xeon Platinum 8280M)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores2 (Dual-core)
Threads2
Base clock speed2 GHzof 4.7 (Ryzen 9 7900X)
Boost clock speed2 GHzof 5.8 (Core i9-13900KF)
Bus support800 MHz
L2 cache2 MBof 12 (Core 2 Quad Q9550)
L3 cache2 MB L2 Cacheof 32 (Ryzen Threadripper 1998)
Chip lithography45 nmof 5 (Ryzen 9 7950X)
Maximum core temperature105 °Cof 110 (Atom x7-E3950)
64 bit support+
Windows 11 compatibility-
Unlocked multiplier-
VID voltage range1V-1.25V

Compatibility

Information on Core 2 Duo T6400 compatibility with other computer components and devices: 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.

SocketPGA478
Thermal design power (TDP)35 Wattof 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Core 2 Duo T6400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+
Turbo Boost Technology-
Hyper-Threading Technology-
Demand Based Switching-

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT-
EDB+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-x-

Benchmark performance

Single-core and multi-core benchmark results of Core 2 Duo T6400. Overall benchmark performance is measured in points in 0-100 range, higher is better.


Overall 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 T6400 0.70
  • Passmark
  • GeekBench 5 Single-Core
  • GeekBench 5 Multi-Core
  • Cinebench 10 32-bit single-core
  • Cinebench 10 32-bit multi-core
  • 3DMark06 CPU

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.

Benchmark coverage: 69%

Core 2 Duo T6400 707

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.

Benchmark coverage: 38%

Core 2 Duo T6400 254

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.

Benchmark coverage: 38%

Core 2 Duo T6400 441

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.

Benchmark coverage: 20%

Core 2 Duo T6400 2115

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.

Benchmark coverage: 20%

Core 2 Duo T6400 4005

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Core 2 Duo T6400 1768

Game benchmarks

Relative perfomance

Overall Core 2 Duo T6400 performance compared to nearest competitors among notebook CPUs.


AMD equivalent

We believe that the nearest equivalent to Core 2 Duo T6400 from AMD is A4-3305M, which is faster by 1% and higher by 6 positions in our rating.

AMD A4-3305M A4 3305M
Compare

Here are some closest AMD rivals to Core 2 Duo T6400:

AMD E2-3000 102.86
AMD A4-3305M 101.43
Intel Core 2 Duo T6400 100

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

Intel Core 2 Duo T5870 Core 2 Duo T5870
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Intel Core 2 Duo T7400 Core 2 Duo T7400
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Intel Celeron B815 Celeron B815
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AMD A4-3305M A4 3305M
Compare
AMD Athlon II P360 Athlon II P360
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AMD Turion 64 X2 TL-64 Turion 64 X2 TL-64
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Recommended graphics cards

These graphics cards are most commonly used with Core 2 Duo T6400 according to our statistics.

User rating

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


2.8 28 ratings

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Questions and comments

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