Core 2 Extreme QX9775 vs Core 2 Duo E7500

Primary details

Comparing Core 2 Duo E7500 and Core 2 Extreme QX9775 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2682	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	1.05	no data
Architecture codename	Wolfdale (2008−2010)	Yorkfield (2007−2009)
Release date	10 January 2009 (15 years ago)	March 2008 (16 years ago)

Detailed specifications

Core 2 Duo E7500 and Core 2 Extreme QX9775 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.93 GHz	3.2 GHz
Boost clock speed	0.93 GHz	3.2 GHz
Bus rate	1066 MHz	1600 MHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	3 MB (shared)	12 MB (shared)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	82 mm2	2x 107 mm2
Maximum case temperature (TCase)	74 °C	63 °C
Number of transistors	228 million	820 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.85V-1.3625V	0.85V-1.35V

Compatibility

Information on Core 2 Duo E7500 and Core 2 Extreme QX9775 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	LGA771
Power consumption (TDP)	65 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7500 and Core 2 Extreme QX9775. 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	-	-

Security technologies

Core 2 Duo E7500 and Core 2 Extreme QX9775 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E7500 and Core 2 Extreme QX9775 are enumerated here.

VT-x

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7500 and Core 2 Extreme QX9775. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E7500 and Core 2 Extreme QX9775.

PCIe version

2.0

no data

Pros & cons summary

---

Physical cores	2	4
Threads	2	4
Power consumption (TDP)	65 Watt	150 Watt

---

Should you still have questions on choice between Core 2 Duo E7500 and Core 2 Extreme QX9775, 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.

---