Intel Core 2 Duo E7400 vs Intel Core 2 Duo E6750

Comparative analysis of Intel Core 2 Duo E7400 and Intel Core 2 Duo E6750 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Duo E7400

Intel Core 2 Duo E6750

Differences

Reasons to consider the Intel Core 2 Duo E7400

CPU is newer: launch date 1 year(s) 3 month(s) later
Around 5% higher clock speed: 2.8 GHz vs 2.67 GHz
Around 3% higher maximum core temperature: 74.1°C vs 72°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 7% better performance in PassMark - Single thread mark: 1106 vs 1030
Around 2% better performance in PassMark - CPU mark: 1041 vs 1024
Around 5% better performance in Geekbench 4 - Single Core: 377 vs 358
Around 3% better performance in Geekbench 4 - Multi-Core: 646 vs 628
Around 59% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.307 vs 0.193
Around 19% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.081 vs 0.068
Around 53% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.639 vs 0.419
Around 6% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.262 vs 2.133

Specifications (specs)
Launch date	October 2008 vs July 2007
Maximum frequency	2.8 GHz vs 2.67 GHz
Maximum core temperature	74.1°C vs 72°C
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
PassMark - Single thread mark	1106 vs 1030
PassMark - CPU mark	1041 vs 1024
Geekbench 4 - Single Core	377 vs 358
Geekbench 4 - Multi-Core	646 vs 628
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.307 vs 0.193
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.081 vs 0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.639 vs 0.419
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.262 vs 2.133

Reasons to consider the Intel Core 2 Duo E6750

Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 11% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 21.122 vs 19.088

Specifications (specs)
L2 cache	4096 KB vs 3072 KB
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	21.122 vs 19.088

Compare benchmarks

CPU 1: Intel Core 2 Duo E7400
CPU 2: Intel Core 2 Duo E6750

PassMark - Single thread mark

CPU 1

CPU 2

1106

1030

PassMark - CPU mark

CPU 1

CPU 2

1041

1024

Geekbench 4 - Single Core

CPU 1

CPU 2

377

358

Geekbench 4 - Multi-Core

CPU 1

CPU 2

646

628

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.307

0.193

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

19.088

21.122

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.081

0.068

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.639

0.419

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.262

2.133

Name	Intel Core 2 Duo E7400	Intel Core 2 Duo E6750
PassMark - Single thread mark	1106	1030
PassMark - CPU mark	1041	1024
Geekbench 4 - Single Core	377	358
Geekbench 4 - Multi-Core	646	628
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.307	0.193
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	19.088	21.122
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.081	0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.639	0.419
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.262	2.133

Compare specifications (specs)

	Intel Core 2 Duo E7400	Intel Core 2 Duo E6750
Essentials
Architecture codename	Wolfdale	Conroe
Launch date	October 2008	July 2007
Place in performance rating	3128	3172
Price now	$28.99	$12.95
Processor Number	E7400	E6750
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	18.04	38.98
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.80 GHz	2.66 GHz
Bus Speed	1066 MHz FSB	1333 MHz FSB
Die size	82 mm2	143 mm2
L1 cache	64 KB	64 KB
L2 cache	3072 KB	4096 KB
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	74 °C
Maximum core temperature	74.1°C	72°C
Maximum frequency	2.8 GHz	2.67 GHz
Number of cores	2	2
Transistor count	228 million	291 million
VID voltage range	0.8500V-1.3625V	0.8500V-1.5V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775	PLGA775
Thermal Design Power (TDP)	65 Watt	65 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)