Ryzen Threadripper PRO 3955WX vs Atom E665C

Primary details

Comparing Atom E665C and Ryzen Threadripper PRO 3955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	193
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	no data	AMD Ryzen Threadripper
Power efficiency	no data	8.57
Architecture codename	Stellarton (2010)	Matisse (2019−2020)
Release date	22 November 2010 (13 years ago)	14 July 2020 (4 years ago)

Detailed specifications

Atom E665C and Ryzen Threadripper PRO 3955WX 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	1 (Single-Core)	16 (Hexadeca-Core)
Threads	2	32
Base clock speed	no data	3.9 GHz
Boost clock speed	1.3 GHz	4.3 GHz
Multiplier	no data	39
L1 cache	64 KB (per core)	1 MB
L2 cache	512 KB (per core)	8 MB
L3 cache	0 KB	64 MB
Chip lithography	45 nm	7 nm, 12 nm
Die size	26 mm2	74 mm2
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	47 million	15940 Million
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Atom E665C and Ryzen Threadripper PRO 3955WX 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	Intel BGA1466	TR4
Power consumption (TDP)	4 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E665C and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E665C and Ryzen Threadripper PRO 3955WX are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E665C and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4-3200
Maximum memory size	no data	2 TiB
Maximum memory bandwidth	no data	204.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 600

-

Peripherals

Specifications and connection of peripherals supported by Atom E665C and Ryzen Threadripper PRO 3955WX.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

---

Recency	22 November 2010	14 July 2020
Physical cores	1	16
Threads	2	32
Chip lithography	45 nm	7 nm
Power consumption (TDP)	4 Watt	280 Watt

---

Should you still have questions on choice between Atom E665C and Ryzen Threadripper PRO 3955WX, ask them in Comments section, and we shall answer.

Vote for your favorite

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

---