Xeon Silver 4309Y vs Ryzen 9 5950X

Primary details

Comparing Ryzen 9 5950X and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	155	629
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	28.11	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Power efficiency	25.89	10.84
Architecture codename	Vermeer (Zen 3) (2020−2022)	Ice Lake-SP (2021)
Release date	8 October 2020 (4 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$799	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 5950X and Xeon Silver 4309Y 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)	8 (Octa-Core)
Threads	32	16
Base clock speed	3.4 GHz	2.8 GHz
Boost clock speed	4.9 GHz	3.6 GHz
Multiplier	34	no data
L1 cache	1 MB	64K (per core)
L2 cache	8 MB	1 MB (per core)
L3 cache	64 MB	12 MB (shared)
Chip lithography	7 nm, 12 nm	10 nm
Die size	CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2	no data
Maximum case temperature (TCase)	95 °C	76 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 5950X and Xeon Silver 4309Y 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	2
Socket	AM4	FCLGA4189
Power consumption (TDP)	105 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5950X and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen 9 5950X and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5950X and Xeon Silver 4309Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5950X and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2667
Maximum memory size	128 GB	6 TB
Max memory channels	2	8
Maximum memory bandwidth	51.196 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5950X and Xeon Silver 4309Y.

PCIe version	4.0	4.0
PCI Express lanes	no data	64

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	29.87	12.51
Recency	8 October 2020	6 April 2021
Physical cores	16	8
Threads	32	16
Chip lithography	7 nm	10 nm

---

Should you still have questions on choice between Ryzen 9 5950X and Xeon Silver 4309Y, 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.

---