Intel Core 2 Duo E8400 vs Intel Core 2 Duo E6750

Comparative analysis of Intel Core 2 Duo E8400 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, 3DMark Fire Strike - Physics Score, 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 E8400

Intel Core 2 Duo E6750

Differences

Reasons to consider the Intel Core 2 Duo E8400

CPU is newer: launch date 6 month(s) later
Around 12% higher clock speed: 3 GHz vs 2.67 GHz
Around 1% higher maximum core temperature: 72.4°C vs 72°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 20% better performance in PassMark - Single thread mark: 1234 vs 1030
Around 18% better performance in PassMark - CPU mark: 1210 vs 1024
Around 18% better performance in Geekbench 4 - Single Core: 422 vs 358
Around 18% better performance in Geekbench 4 - Multi-Core: 738 vs 628
Around 71% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.33 vs 0.193
Around 25% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 26.311 vs 21.122
Around 46% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.099 vs 0.068
Around 62% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.68 vs 0.419
Around 13% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.408 vs 2.133

Specifications (specs)
Launch date	January 2008 vs July 2007
Maximum frequency	3 GHz vs 2.67 GHz
Maximum core temperature	72.4°C vs 72°C
Manufacturing process technology	45 nm vs 65 nm
L1 cache	128 KB vs 64 KB
L2 cache	6144 KB vs 4096 KB
Benchmarks
PassMark - Single thread mark	1234 vs 1030
PassMark - CPU mark	1210 vs 1024
Geekbench 4 - Single Core	422 vs 358
Geekbench 4 - Multi-Core	738 vs 628
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.33 vs 0.193
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311 vs 21.122
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.099 vs 0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68 vs 0.419
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.408 vs 2.133

Compare benchmarks

CPU 1: Intel Core 2 Duo E8400
CPU 2: Intel Core 2 Duo E6750

PassMark - Single thread mark

CPU 1

CPU 2

1234

1030

PassMark - CPU mark

CPU 1

CPU 2

1210

1024

Geekbench 4 - Single Core

CPU 1

CPU 2

422

358

Geekbench 4 - Multi-Core

CPU 1

CPU 2

738

628

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.33

0.193

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

CPU 1

CPU 2

26.311

21.122

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

CPU 1

CPU 2

0.099

0.068

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.68

0.419

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.408

2.133

Name	Intel Core 2 Duo E8400	Intel Core 2 Duo E6750
PassMark - Single thread mark	1234	1030
PassMark - CPU mark	1210	1024
Geekbench 4 - Single Core	422	358
Geekbench 4 - Multi-Core	738	628
3DMark Fire Strike - Physics Score	2400
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.33	0.193
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.311	21.122
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.099	0.068
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.68	0.419
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.408	2.133

Compare specifications (specs)

	Intel Core 2 Duo E8400	Intel Core 2 Duo E6750
Essentials
Architecture codename	Wolfdale	Conroe
Launch date	January 2008	July 2007
Place in performance rating	2981	3172
Price now	$129.95	$12.95
Processor Number	E8400	E6750
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	4.87	38.98
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.00 GHz	2.66 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	107 mm2	143 mm2
L1 cache	128 KB	64 KB
L2 cache	6144 KB	4096 KB
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	72.4°C	72°C
Maximum frequency	3 GHz	2.67 GHz
Number of cores	2	2
Transistor count	410 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)
Intel® Virtualization Technology for Directed I/O (VT-d)