Intel Core 2 Quad Q9505S vs Intel Core 2 Duo E6850

Comparative analysis of Intel Core 2 Quad Q9505S and Intel Core 2 Duo E6850 processors for all known characteristics in the following categories: Essentials, Performance, 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.

Intel Core 2 Quad Q9505S

Intel Core 2 Duo E6850

Differences

Reasons to consider the Intel Core 2 Quad Q9505S

2 more cores, run more applications at once: 4 vs 2
Around 6% higher maximum core temperature: 76.3°C vs 72°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm

Number of cores	4 vs 2
Maximum core temperature	76.3°C vs 72°C
Manufacturing process technology	45 nm vs 65 nm

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9505S
CPU 2: Intel Core 2 Duo E6850

Name	Intel Core 2 Quad Q9505S	Intel Core 2 Duo E6850
PassMark - Single thread mark		1187
PassMark - CPU mark		1147
Geekbench 4 - Single Core		401
Geekbench 4 - Multi-Core		702

Compare specifications (specs)

	Intel Core 2 Quad Q9505S	Intel Core 2 Duo E6850
Essentials
Architecture codename	Yorkfield	Conroe
Launch date	Q3'09	Q3'07
Place in performance rating	not rated	2541
Processor Number	Q9505S	E6850
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.83 GHz	3.00 GHz
Bus Speed	1333 MHz FSB	1333 MHz FSB
Die size	164 mm2	143 mm2
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	76.3°C	72°C
Number of cores	4	2
Transistor count	456 million	291 million
VID voltage range	0.8500V-1.3625V	0.8500V-1.5V
Compatibility
Low Halogen Options Available
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
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)