Core 2 Duo T7400 vs Core 2 Extreme QX9300

Primary details

Comparing Core 2 Extreme QX9300 and Core 2 Duo T7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2273	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Core 2 Extreme	Intel Core 2 Duo
Architecture codename	Penryn (2008−2011)	Merom (2006−2008)
Release date	August 2008 (15 years ago)	28 August 2006 (17 years ago)
Launch price (MSRP)	no data	$286
Current price	$844	$60 (0.2x MSRP)

Detailed specifications

Core 2 Extreme QX9300 and Core 2 Duo T7400 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	2.53 GHz	2.16 GHz
Boost clock speed	2.53 GHz	2.16 GHz
Bus support	1066 MHz	667 MHz
L1 cache	64 KB	64 KB
L2 cache	12 MB	4 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	65 nm
Die size	2x 107 mm2	143 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	no data	291 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No
VID voltage range	1.05V-1.175V	1.1625V-1.3V

Compatibility

Information on Core 2 Extreme QX9300 and Core 2 Duo T7400 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	2	1
Socket	PGA478	PBGA479,PPGA478
Power consumption (TDP)	45 Watt	34 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Core 2 Duo T7400. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Extreme QX9300 and Core 2 Duo T7400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9300 and Core 2 Duo T7400 are enumerated here.

VT-x

+

+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Pros & cons summary

---

Physical cores	4	2
Threads	4	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	45 Watt	34 Watt

---

Should you still have questions on choice between Core 2 Extreme QX9300 and Core 2 Duo T7400, 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.

---