Intel Core 2 Duo T6400 vs Intel Pentium E5400

Comparative analysis of Intel Core 2 Duo T6400 and Intel Pentium E5400 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Duo T6400

Intel Pentium E5400

Differences

Reasons to consider the Intel Core 2 Duo T6400

Around 42% higher maximum core temperature: 105°C vs 74.1°C
Around 86% lower typical power consumption: 35 Watt vs 65 Watt

Maximum core temperature	105°C vs 74.1°C
Thermal Design Power (TDP)	35 Watt vs 65 Watt

Reasons to consider the Intel Pentium E5400

Around 35% higher clock speed: 2.7 GHz vs 2 GHz
Around 37% better performance in PassMark - Single thread mark: 1081 vs 791
Around 35% better performance in PassMark - CPU mark: 989 vs 730
Around 26% better performance in Geekbench 4 - Single Core: 318 vs 253
Around 18% better performance in Geekbench 4 - Multi-Core: 543 vs 462

Specifications (specs)
Maximum frequency	2.7 GHz vs 2 GHz
Benchmarks
PassMark - Single thread mark	1081 vs 791
PassMark - CPU mark	989 vs 730
Geekbench 4 - Single Core	318 vs 253
Geekbench 4 - Multi-Core	543 vs 462

Compare benchmarks

CPU 1: Intel Core 2 Duo T6400
CPU 2: Intel Pentium E5400

PassMark - Single thread mark

CPU 1

CPU 2

791

1081

PassMark - CPU mark

CPU 1

CPU 2

730

989

Geekbench 4 - Single Core

CPU 1

CPU 2

253

318

Geekbench 4 - Multi-Core

CPU 1

CPU 2

462

543

Name	Intel Core 2 Duo T6400	Intel Pentium E5400
PassMark - Single thread mark	791	1081
PassMark - CPU mark	730	989
Geekbench 4 - Single Core	253	318
Geekbench 4 - Multi-Core	462	543
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.302
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		13.111
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.076
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.098

Compare specifications (specs)

	Intel Core 2 Duo T6400	Intel Pentium E5400
Essentials
Architecture codename	Penryn	Wolfdale
Launch date	1 January 2009	January 2009
Place in performance rating	2935	3127
Price now	$14.99	$19.99
Processor Number	T6400	E5400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	24.07	23.54
Vertical segment	Mobile	Desktop
Launch price (MSRP)		$55
Performance
64 bit support
Base frequency	2.00 GHz	2.70 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	107 mm2	82 mm2
Front-side bus (FSB)	800 MHz
L2 cache	2048 KB	2048 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	105°C	74.1°C
Maximum frequency	2 GHz	2.7 GHz
Number of cores	2	2
Number of threads	2
Transistor count	410 million	228 million
VID voltage range	1.000V-1.250V	0.8500V-1.3625V
L1 cache		64 KB (per core)
Compatibility
Low Halogen Options Available
Package Size	35mm x 35mm	37.5mm x 37.5mm
Sockets supported	PGA478	LGA775
Thermal Design Power (TDP)	35 Watt	65 Watt
Max number of CPUs in a configuration		1
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States
Intel® AES New Instructions
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
Supported memory types		DDR1, DDR2, DDR3