Pentium M 765 vs i5-655K

Primary details

Comparing Core i5-655K and Pentium M 765 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2283	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Pentium M
Power efficiency	1.65	no data
Architecture codename	Clarkdale (2010−2011)	Dothan (2004−2005)
Release date	30 May 2010 (14 years ago)	20 October 2004 (20 years ago)

Detailed specifications

Core i5-655K and Pentium M 765 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	4	1
Base clock speed	3.2 GHz	2.1 GHz
Boost clock speed	3.46 GHz	2.1 GHz
Bus rate	2.5 GT/s	400 MHz
L1 cache	64 KB (per core)	32 KB
L2 cache	256 KB (per core)	2 MB
L3 cache	4 MB (shared)	0 KB
Chip lithography	32 nm	90 nm
Die size	81 mm2	87 mm2
Maximum core temperature	73 °C	100 °C
Number of transistors	382 million	144 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	no data	0.988-1.356V

Compatibility

Information on Core i5-655K and Pentium M 765 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	FCLGA1156	PPGA478, H-PBGA479
Power consumption (TDP)	73 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-655K and Pentium M 765. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	-
Demand Based Switching	-	-
PAE	36 Bit	32 Bit
FDI	+	no data
FSB parity	no data	-

Security technologies

Core i5-655K and Pentium M 765 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-655K and Pentium M 765 are enumerated here.

VT-d	+	no data
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-655K and Pentium M 765. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	16.38 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i5-655K and Pentium M 765 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-655K and Pentium M 765.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	30 May 2010	20 October 2004
Physical cores	2	1
Threads	4	1
Chip lithography	32 nm	90 nm
Power consumption (TDP)	73 Watt	7 Watt

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