Pentium M 755 vs Xeon W-2145

Primary details

Comparing Xeon W-2145 and Pentium M 755 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	677	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.77	no data
Market segment	Server	Laptop
Series	Intel Xeon W	Pentium M
Power efficiency	7.74	no data
Architecture codename	Skylake (server) (2017−2019)	Dothan (2004−2005)
Release date	29 August 2017 (7 years ago)	10 May 2004 (20 years ago)
Launch price (MSRP)	$1,113	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2145 and Pentium M 755 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	8 (Octa-Core)	1 (Single-Core)
Threads	16	1
Base clock speed	3.7 GHz	2 GHz
Boost clock speed	4.5 GHz	2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	400 MHz
Multiplier	37	no data
L1 cache	512 KB	32 KB
L2 cache	8 MB	2 MB
L3 cache	11 MB (shared)	0 KB
Chip lithography	14 nm	90 nm
Die size	484 mm2	87 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	no data	144 million
64 bit support	+	-
Windows 11 compatibility	+	-
VID voltage range	no data	0.988-1.34V

Compatibility

Information on Xeon W-2145 and Pentium M 755 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 (Uniprocessor)	1
Socket	Socket R4	PPGA478, H-PBGA479
Power consumption (TDP)	140 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Pentium M 755. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	-
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	-
PAE	46 Bit	32 Bit
Turbo Boost Max 3.0	-	no data
FSB parity	no data	-

Security technologies

Xeon W-2145 and Pentium M 755 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	-
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Pentium M 755 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Pentium M 755. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR2
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Pentium M 755.

PCIe version	3.0	no data
PCI Express lanes	48	no data

Pros & cons summary

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Recency	29 August 2017	10 May 2004
Physical cores	8	1
Threads	16	1
Chip lithography	14 nm	90 nm
Power consumption (TDP)	140 Watt	7 Watt

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