Intel Atom C3950: specs and benchmarks

Summary

Intel started Intel Atom C3950 sales 15 August 2017 at a recommended price of $389. This is Goldmont architecture desktop processor primarily aimed at professional systems. It has 16 cores and 16 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 2200 MHz and a locked multiplier.

Compatibility-wise, this is FCBGA1310 processor with a TDP of 24 Watt. It supports DDR4: 2400 memory.

General info

Of Atom C3950 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance rating	not rated
Market segment	Server
Series	Intel Atom
Architecture codename	Goldmont (2016−2017)
Release date	15 August 2017 (5 years ago)
Launch price (MSRP)	$389	of 305 (Core i7-870)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	16 (Hexadeca-Core)
Threads	16
Base clock speed	1.7 GHz	of 4.7 (FX-9590)
Boost clock speed	2.2 GHz	of 5.5 (Core i9-12900KS)
L1 cache	896 KB	of 1536 (EPYC Embedded 3401)
L2 cache	16 MB	of 12 (Core 2 Quad Q9550)
L3 cache	16 MB	of 32 (Ryzen Threadripper 1998)
Chip lithography	14 nm	of 5 (Apple M1)
Maximum core temperature	78 °C	of 110 (Atom x7-E3950)
64 bit support	+
Windows 11 compatibility	-
Unlocked multiplier	-

Compatibility

Information on Atom C3950 compatibility with other computer components and devices: 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	of 8 (Opteron 842)
Socket	FCBGA1310
Thermal design power (TDP)	24 Watt	of 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Atom C3950. You'll probably need this information if you require some particular technology.

AES-NI	+
Enhanced SpeedStep (EIST)	+
QuickAssist	-
Turbo Boost Technology	2.0
Hyper-Threading Technology	-

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

EDB	+
Secure Boot	+
Secure Key	+
SGX	-
OS Guard	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Atom C3950's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4: 2400	of 5200 (Ryzen 5 7600X)
Maximum memory size	256 GB	of 786 (Xeon E5-2670 v3)
Max memory channels	2	of 12 (Xeon Platinum 9221)
Maximum memory bandwidth	38.397 GB/s	of 281.6 (Xeon Platinum 9221)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	3	of 5 (Core i9-12900K)
PCI Express lanes	16	of 128 (EPYC 7551P)
USB revision	3
Total number of SATA ports	16
Max number of SATA 6 Gb/s Ports	16
Number of USB ports	8
Integrated LAN	2x10/2.5/1 GBE + 2x1 GBE

Benchmark performance

Single-core and multi-core benchmark results of Atom C3950. Overall benchmark performance is measured in points in 0-100 range, higher is better.

---