Celeron E1500 vs Pentium M 780

Place in the ranking	3169	3001
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Pentium M	no data
Power efficiency	0.84	0.57
Architecture codename	Dothan (2004−2005)	Allendale (2006−2009)
Release date	25 July 2005 (19 years ago)	November 2008 (16 years ago)
Launch price (MSRP)	no data	$63

Detailed specifications

Pentium M 780 and Celeron E1500 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Base clock speed	2.26 GHz	2.2 GHz
Boost clock speed	0.03 GHz	2.2 GHz
Bus rate	533 MHz	no data
L1 cache	32 KB	64 KB (per core)
L2 cache	2 MB	512 KB (shared)
L3 cache	0 KB	0 KB
Chip lithography	90 nm	65 nm
Die size	87 mm²	77 mm²
Maximum core temperature	100 °C	73 °C
Number of transistors	144 million	105 million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	1.26V-1.404V	0.85V-1.5V

Compatibility

Information on Pentium M 780 and Celeron E1500 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	PPGA478, H-PBGA479	LGA775
Power consumption (TDP)	27 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium M 780 and Celeron E1500. 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	-	-
PAE	32 Bit	no data
FSB parity	-	-

Security technologies

Pentium M 780 and Celeron E1500 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium M 780 and Celeron E1500 are enumerated here.

VT-d	no data	-
VT-x	-	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium M 780 and Celeron E1500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Gaming performance

Pros & cons summary

Performance score	0.24	0.39
Physical cores	1	2
Threads	1	2
Chip lithography	90 nm	65 nm
Power consumption (TDP)	27 Watt	65 Watt

Pentium M 780 has 140.7% lower power consumption.

Celeron E1500, on the other hand, has a 62.5% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 38.5% more advanced lithography process.

The Celeron E1500 is our recommended choice as it beats the Pentium M 780 in performance tests.

Be aware that Pentium M 780 is a notebook processor while Celeron E1500 is a desktop one.

Should you still have questions on choice between Pentium M 780 and Celeron E1500, ask them in Comments section, and we shall answer.