Celeron M 390 vs Core 2 Duo T9400

Place in the ranking	2776	3258
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	Celeron M
Power efficiency	1.73	0.81
Architecture codename	Penryn (2008−2011)	Dothan (2004−2005)
Release date	15 July 2008 (16 years ago)	no data
Launch price (MSRP)	$316	no data

Detailed specifications

Core 2 Duo T9400 and Celeron M 390 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2.53 GHz	1.7 GHz
Boost clock speed	2.53 GHz	1.7 GHz
Bus rate	1066 MHz	400 MHz
L1 cache	128 KB	no data
L2 cache	6 MB	no data
L3 cache	6 MB L2 Cache	1 MB L2 KB
Chip lithography	45 nm	90 nm
Die size	107 mm²	no data
Maximum core temperature	105 °C	100 °C
Number of transistors	410 Million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.162V	1.004V-1.292V

Compatibility

Information on Core 2 Duo T9400 and Celeron M 390 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.

Socket	BGA479,BGA956,PBGA479,PGA478	PPGA478, H-PBGA479
Power consumption (TDP)	35 Watt	21 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9400 and Celeron M 390. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	-	-
Demand Based Switching	-	-
PAE	no data	32 Bit
FSB parity	-	-

Security technologies

Core 2 Duo T9400 and Celeron M 390 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 T9400 and Celeron M 390 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.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Duo T9400 0.64
+256%

Celeron M 390 0.18

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T9400 31
+229%

Celeron M 390 102

Gaming performance

Pros & cons summary

Performance score	0.64	0.18
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	35 Watt	21 Watt

Core 2 Duo T9400 has a 255.6% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.

Celeron M 390, on the other hand, has 66.7% lower power consumption.

The Core 2 Duo T9400 is our recommended choice as it beats the Celeron M 390 in performance tests.

Should you still have questions on choice between Core 2 Duo T9400 and Celeron M 390, ask them in Comments section, and we shall answer.