Pentium M 705 vs Atom C3955

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1783	3636
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.38	no data
Market segment	Server	Laptop
Series	Intel Atom	Pentium M
Power efficiency	4.38	0.24
Designer	Intel	Intel
Architecture codename	Goldmont (2016−2017)	Banias (2003)
Release date	15 August 2017 (8 years ago)	no data
Launch price (MSRP)	$434	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Atom C3955 and Pentium M 705 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	16 (Hexadeca-Core)	1 (Single-Core)
Threads	16	1
Base clock speed	2.1 GHz	1.5 GHz
Boost clock speed	2.4 GHz	1.5 GHz
Bus rate	no data	400 MHz
Multiplier	21	no data
L1 cache	896 KB	no data
L2 cache	16 MB	no data
L3 cache	16 MB	1 MB L2 KB
Chip lithography	14 nm	130 nm
Maximum core temperature	78 °C	100 °C
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	no data	0.956V-1.484V

Compatibility

Information on Atom C3955 and Pentium M 705 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)	no data
Socket	FCBGA1310	H-PBGA479, PPGA478
Power consumption (TDP)	32 Watt	24.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3955 and Pentium M 705. You'll probably need this information if you require some particular technology.

AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	-	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	-
Idle States	no data	-
Demand Based Switching	no data	-
PAE	no data	32 Bit
FSB parity	no data	-

Security technologies

Atom C3955 and Pentium M 705 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	-
Secure Boot	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3955 and Pentium M 705 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3955 and Pentium M 705. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	no data
Maximum memory size	256 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Atom C3955 and Pentium M 705.

PCIe version	3	no data
PCI Express lanes	16	no data
USB revision	3	no data
Total number of SATA ports	16	no data
Number of USB ports	8	no data
Integrated LAN	4x10/2.5/1 GBE	no data

Pros & cons summary

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Performance score	3.32	0.14
Physical cores	16	1
Threads	16	1
Chip lithography	14 nm	130 nm
Power consumption (TDP)	32 Watt	24 Watt