Threadripper PRO 7955WX vs Xeon Silver 4309Y

Primary details

Comparing Xeon Silver 4309Y and Threadripper PRO 7955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	633	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	10.91	no data
Architecture codename	Ice Lake-SP (2021)	Storm Peak (2023)
Release date	6 April 2021 (3 years ago)	19 October 2023 (1 year ago)
Launch price (MSRP)	no data	$1,899

Detailed specifications

Xeon Silver 4309Y and Threadripper PRO 7955WX 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	32
Base clock speed	2.8 GHz	4.5 GHz
Boost clock speed	3.6 GHz	5.3 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	12 MB (shared)	64 MB (shared)
Chip lithography	10 nm	5 nm
Die size	no data	2x 71 mm2
Maximum case temperature (TCase)	76 °C	no data
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon Silver 4309Y and Threadripper PRO 7955WX 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	1
Socket	FCLGA4189	sTR5
Power consumption (TDP)	105 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4309Y and Threadripper PRO 7955WX. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Silver 4309Y and Threadripper PRO 7955WX technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4309Y and Threadripper PRO 7955WX 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 Xeon Silver 4309Y and Threadripper PRO 7955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR5
Maximum memory size	6 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4309Y and Threadripper PRO 7955WX.

PCIe version	4.0	5.0
PCI Express lanes	64	128

Pros & cons summary

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Recency	6 April 2021	19 October 2023
Physical cores	8	16
Threads	16	32
Chip lithography	10 nm	5 nm
Power consumption (TDP)	105 Watt	350 Watt

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Should you still have questions on choice between Xeon Silver 4309Y and Threadripper PRO 7955WX, ask them in Comments section, and we shall answer.

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