Xeon Gold 5420+ vs Ryzen 9 PRO 3900

Primary details

Comparing Ryzen 9 PRO 3900 and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	280	95
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	59.52
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Power efficiency	28.97	16.92
Architecture codename	Zen 2 (2017−2020)	Sapphire Rapids (2023−2024)
Release date	30 September 2019 (5 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	no data	$1,848

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 PRO 3900 and Xeon Gold 5420+ 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	12 (Dodeca-Core)	28 (Octacosa-Core)
Threads	24	56
Base clock speed	3.1 GHz	2 GHz
Boost clock speed	4.3 GHz	4.1 GHz
L1 cache	768 KB	80K (per core)
L2 cache	6 MB	2 MB (per core)
L3 cache	64 MB	52.5 MB
Chip lithography	7 nm, 12 nm	10 nm
Maximum case temperature (TCase)	no data	84 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Ryzen 9 PRO 3900 and Xeon Gold 5420+ 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	Socket AM4	4677
Power consumption (TDP)	65 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 PRO 3900 and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+
Precision Boost 2	+	no data

Security technologies

Ryzen 9 PRO 3900 and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 PRO 3900 and Xeon Gold 5420+ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 3900 and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4400
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 PRO 3900 and Xeon Gold 5420+.

PCIe version	no data	5.0
PCI Express lanes	no data	80

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.

---

Pros & cons summary

---

Performance score	19.90	36.65
Recency	30 September 2019	10 January 2023
Physical cores	12	28
Threads	24	56
Chip lithography	7 nm	10 nm
Power consumption (TDP)	65 Watt	205 Watt

---

Should you still have questions on choice between Ryzen 9 PRO 3900 and Xeon Gold 5420+, 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.

---