Intel Core 2 Duo E6850 vs Intel Core 2 Extreme QX9650

Comparative analysis of Intel Core 2 Duo E6850 and Intel Core 2 Extreme QX9650 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, 3DMark Fire Strike - Physics Score.

Intel Core 2 Duo E6850

Intel Core 2 Extreme QX9650

Differences

Reasons to consider the Intel Core 2 Duo E6850

Around 12% higher maximum core temperature: 72°C vs 64.5°C
2x lower typical power consumption: 65 Watt vs 130 Watt

Maximum core temperature	72°C vs 64.5°C
Thermal Design Power (TDP)	65 Watt vs 130 Watt

Reasons to consider the Intel Core 2 Extreme QX9650

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 16% better performance in Geekbench 4 - Single Core: 465 vs 401
2.1x better performance in Geekbench 4 - Multi-Core: 1463 vs 702

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
Geekbench 4 - Single Core	465 vs 401
Geekbench 4 - Multi-Core	1463 vs 702

Compare benchmarks

CPU 1: Intel Core 2 Duo E6850
CPU 2: Intel Core 2 Extreme QX9650

Geekbench 4 - Single Core

CPU 1

CPU 2

401

465

Geekbench 4 - Multi-Core

CPU 1

CPU 2

702

1463

Name	Intel Core 2 Duo E6850	Intel Core 2 Extreme QX9650
PassMark - Single thread mark	1183
PassMark - CPU mark	1130
Geekbench 4 - Single Core	401	465
Geekbench 4 - Multi-Core	702	1463
3DMark Fire Strike - Physics Score		4864

Compare specifications (specs)

	Intel Core 2 Duo E6850	Intel Core 2 Extreme QX9650
Essentials
Architecture codename	Conroe	Yorkfield
Launch date	Q3'07	November 2007
Place in performance rating	2538	2536
Processor Number	E6850	QX9650
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.00 GHz	3.00 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	143 mm2	214 mm2
Manufacturing process technology	65 nm	45 nm
Maximum core temperature	72°C	64.5°C
Number of cores	2	4
Transistor count	291 million	820 million
VID voltage range	0.8500V-1.5V	0.8500V-1.3625V
L1 cache		256 KB
L2 cache		12288 KB
Maximum case temperature (TCase)		64 °C
Maximum frequency		3 GHz
Unlocked
Compatibility
Low Halogen Options Available
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	PLGA775	LGA775
Thermal Design Power (TDP)	65 Watt	130 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
Virtualization
Intel® Virtualization Technology (VT-x)
Memory
Supported memory types		DDR1, DDR2, DDR3