Pentium D 955 vs Ryzen Threadripper 1950X

Primary details

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

Place in the ranking	501	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.76	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen Threadripper	no data
Power efficiency	9.29	no data
Designer	AMD	Intel
Manufacturer	GlobalFoundries	no data
Architecture codename	Zen (2017−2020)	Presler (2005−2007)
Release date	13 July 2017 (8 years ago)	January 2006 (19 years ago)
Launch price (MSRP)	$999	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Ryzen Threadripper 1950X and Pentium D 955 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	no data
Base clock speed	3.4 GHz	no data
Boost clock speed	3.4 GHz	3.46 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	34	no data
L1 cache	1.5 MB	28 KB
L2 cache	8 MB	4096 KB
L3 cache	32 MB	0 KB
Chip lithography	14 nm	65 nm
Die size	213 mm2	140 mm2
Maximum core temperature	68 °C	no data
Number of transistors	9600 Million	376 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen Threadripper 1950X and Pentium D 955 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)	2
Socket	SP3r2	775
Power consumption (TDP)	180 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 1950X and Pentium D 955. You'll probably need this information if you require some particular technology.

Instruction set extensions	SSE4.2, SSE4A, AMD-V, AES, AVX2, FMA3, SHA	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 1950X and Pentium D 955 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1950X and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Quad-channel	DDR1, DDR2, DDR3
Maximum memory size	2 TiB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 1950X and Pentium D 955.

PCIe version	3.0	no data
PCI Express lanes	60	no data

Pros & cons summary

---

Physical cores	16	2
Chip lithography	14 nm	65 nm
Power consumption (TDP)	180 Watt	130 Watt

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---