Pentium 1405 vs Ryzen Threadripper PRO 5955WX

Primary details

Comparing Ryzen Threadripper PRO 5955WX and Pentium 1405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	114	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	28.47	no data
Market segment	Server	Server
Series	AMD Ryzen Threadripper	no data
Architecture codename	Chagall PRO (2022)	no data
Release date	8 March 2022 (2 years ago)	1 April 2012 (12 years ago)
Current price	$1197	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper PRO 5955WX and Pentium 1405 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)	2 (Dual-core)
Threads	32	2
Base clock speed	4 GHz	1.2 GHz
Boost clock speed	4.5 GHz	1.8 GHz
L1 cache	64K (per core)	no data
L2 cache	512K (per core)	no data
L3 cache	64 MB	5 MB Intel® Smart Cache
Chip lithography	7 nm	32 nm
Die size	4x 81 mm2	no data
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	16,600 million	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Ryzen Threadripper PRO 5955WX and Pentium 1405 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	WRX8	FCLGA1356
Power consumption (TDP)	280 Watt	40 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 5955WX and Pentium 1405. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX
AES-NI	+	+
AVX	+	no data
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
Demand Based Switching	no data	+
Status	no data	Discontinued

Security technologies

Ryzen Threadripper PRO 5955WX and Pentium 1405 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 5955WX and Pentium 1405 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 5955WX and Pentium 1405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3-800, DDR3-1066
Maximum memory size	2 TiB	375 GB
Max memory channels	no data	2
Maximum memory bandwidth	204.8 GB/s	25 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 5955WX and Pentium 1405.

PCIe version	4.0	3.0
PCI Express lanes	128	24

Pros & cons summary

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Recency	8 March 2022	1 April 2012
Physical cores	16	2
Threads	32	2
Chip lithography	7 nm	32 nm
Power consumption (TDP)	280 Watt	40 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 5955WX and Pentium 1405, ask them in Comments section, and we shall answer.

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