Atom C3958 vs Xeon Silver 4208

Place in performance ranking	937	1633
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	24.95	0.54
Market segment	Server	Server
Series	Intel Xeon Silver	Intel Atom
Architecture codename	Cascade Lake (2019−2020)	Goldmont (2016−2017)
Release date	2 April 2019 (5 years ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	$417	$449

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Silver 4208 has 4520% better value for money than Atom C3958.

Detailed specifications

Xeon Silver 4208 and Atom C3958 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	16
Boost clock speed	2.1 GHz	2 GHz
L1 cache	512 KB	896 KB
L2 cache	8 MB	16 MB
L3 cache	11 MB	no data
Chip lithography	14 nm	14 nm
Maximum core temperature	78 °C	83 °C
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon Silver 4208 and Atom C3958 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	2 (Multiprocessor)	1 (Uniprocessor)
Socket	Socket P	no data
Power consumption (TDP)	85 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4208 and Atom C3958. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
TSX	+	no data

Security technologies

Xeon Silver 4208 and Atom C3958 technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4208 and Atom C3958 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4208 and Atom C3958. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR3L-1600
Maximum memory size	1 TiB	256 GB
Max memory channels	6	2
Maximum memory bandwidth	115.212 GB/s	38.397 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4208 and Atom C3958.

PCI Express lanes

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon Silver 4208 7.31
+164%

Atom C3958 2.77

Xeon Silver 4208 outperforms Atom C3958 by 164% based on our aggregate benchmark results.

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Xeon Silver 4208 11305
+164%

Atom C3958 4281

Xeon Silver 4208 outperforms Atom C3958 by 164% in Passmark.