Celeron U3400 vs Pentium M 740

Primary details

Comparing Pentium M 740 and Celeron U3400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Pentium M	Intel Celeron
Architecture codename	Dothan (2004−2005)	Westmere (2010−2011)
Release date	19 January 2005 (19 years ago)	24 May 2010 (14 years ago)

Detailed specifications

Pentium M 740 and Celeron U3400 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	1.73 GHz	1.06 GHz
Boost clock speed	1.73 GHz	0.07 GHz
Bus type	no data	DMI 1.0
Bus rate	533 MHz	1 × 2.5 GT/s
Multiplier	no data	8
L1 cache	32 KB	128 KB
L2 cache	2 MB	512 KB
L3 cache	0 KB	2 MB
Chip lithography	90 nm	32 nm
Die size	87 mm2	81 mm2
Maximum core temperature	100 °C	105 °C
Number of transistors	144 million	382 Million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	1.26V-1.356V	no data

Compatibility

Information on Pentium M 740 and Celeron U3400 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 (Uniprocessor)
Socket	PPGA478, H-PBGA479	BGA1288
Power consumption (TDP)	27 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium M 740 and Celeron U3400. You'll probably need this information if you require some particular technology.

FMA	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
PAE	32 Bit	36 Bit
FDI	no data	+
Fast Memory Access	no data	+
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Pentium M 740 and Celeron U3400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium M 740 and Celeron U3400 are enumerated here.

VT-d	no data	-
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium M 740 and Celeron U3400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR3-800
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	12.799 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	no data	+
Graphics max frequency	no data	500 MHz

Graphics interfaces

Available interfaces and connections of Pentium M 740 and Celeron U3400 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Pentium M 740 and Celeron U3400.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Recency	19 January 2005	24 May 2010
Physical cores	1	2
Threads	1	2
Chip lithography	90 nm	32 nm
Power consumption (TDP)	27 Watt	18 Watt

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