Pentium E6500K vs Core 2 Quad Q9550s

Primary details

Comparing Core 2 Quad Q9550s and Pentium E6500K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Yorkfield (2007−2009)	Wolfdale (2008−2010)
Release date	27 January 2009 (15 years ago)	9 August 2009 (15 years ago)

Detailed specifications

Core 2 Quad Q9550s and Pentium E6500K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.83 GHz	2.93 GHz
Boost clock speed	0.83 GHz	0.93 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	12 MB (shared)	2 MB (shared)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	2x 107 mm2	82 mm2
Maximum core temperature	no data	74 °C
Maximum case temperature (TCase)	76 °C	no data
Number of transistors	820 million	228 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.85V-1.3625V	0.85V – 1.3625V

Compatibility

Information on Core 2 Quad Q9550s and Pentium E6500K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	LGA775	LGA775
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9550s and Pentium E6500K. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	-
FSB parity	+	no data

Security technologies

Core 2 Quad Q9550s and Pentium E6500K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9550s and Pentium E6500K are enumerated here.

VT-d	+	-
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9550s and Pentium E6500K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9550s and Pentium E6500K.

PCIe version

2.0

2.0

Pros & cons summary

---

Recency	27 January 2009	9 August 2009
Physical cores	4	2
Threads	4	2

---

Should you still have questions on choice between Core 2 Quad Q9550s and Pentium E6500K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---