Intel Core 2 Duo E6700 vs Intel Core i7-875K

Comparative analysis of Intel Core 2 Duo E6700 and Intel Core i7-875K processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory, Peripherals. 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 E6700

Intel Core i7-875K

Differences

Reasons to consider the Intel Core 2 Duo E6700

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the Intel Core i7-875K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
Around 21% higher maximum core temperature: 72.7°C vs 60.1°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 31% better performance in PassMark - Single thread mark: 1344 vs 1023
3.1x better performance in PassMark - CPU mark: 3093 vs 990
Around 79% better performance in Geekbench 4 - Single Core: 567 vs 317
3.8x better performance in Geekbench 4 - Multi-Core: 2163 vs 564

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Maximum core temperature	72.7°C vs 60.1°C
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
PassMark - Single thread mark	1344 vs 1023
PassMark - CPU mark	3093 vs 990
Geekbench 4 - Single Core	567 vs 317
Geekbench 4 - Multi-Core	2163 vs 564

Compare benchmarks

CPU 1: Intel Core 2 Duo E6700
CPU 2: Intel Core i7-875K

PassMark - Single thread mark

CPU 1

CPU 2

1023

1344

PassMark - CPU mark

CPU 1

CPU 2

990

3093

Geekbench 4 - Single Core

CPU 1

CPU 2

317

567

Geekbench 4 - Multi-Core

CPU 1

CPU 2

564

2163

Name	Intel Core 2 Duo E6700	Intel Core i7-875K
PassMark - Single thread mark	1023	1344
PassMark - CPU mark	990	3093
Geekbench 4 - Single Core	317	567
Geekbench 4 - Multi-Core	564	2163
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.925
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		51.608
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.35
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.459

Compare specifications (specs)

	Intel Core 2 Duo E6700	Intel Core i7-875K
Essentials
Architecture codename	Conroe	Lynnfield
Launch date	Q3'06	May 2010
Place in performance rating	2618	2627
Processor Number	E6700	i7-875K
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$486
Price now		$485.01
Value for money (0-100)		3.30
Performance
64 bit support
Base frequency	2.66 GHz	2.93 GHz
Bus Speed	1066 MHz FSB	2.5 GT/s DMI
Die size	143 mm2	296 mm2
Manufacturing process technology	65 nm	45 nm
Maximum core temperature	60.1°C	72.7°C
Number of cores	2	4
Transistor count	291 million	774 million
VID voltage range	0.8500V-1.5V	0.6500V-1.4000V
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Maximum frequency		3.60 GHz
Number of threads		8
Unlocked
Compatibility
Low Halogen Options Available
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Scenario Design Power (SDP)	0 W
Sockets supported	PLGA775	LGA1156
Thermal Design Power (TDP)	65 Watt	95 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
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Instruction set extensions		Intel® SSE4.2
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Memory
Max memory channels		2
Maximum memory bandwidth		21 GB/s
Maximum memory size		16 GB
Supported memory types		DDR3 1066/1333
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8