Ryzen Threadripper 7970X vs Xeon Gold 6421N

Primary details

Comparing Xeon Gold 6421N and Ryzen Threadripper 7970X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	89	13
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	44.13	20.57
Market segment	Server	Desktop processor
Power efficiency	18.94	16.79
Architecture codename	Sapphire Rapids (2023−2024)	Storm Peak (2023)
Release date	10 January 2023 (1 year ago)	19 October 2023 (1 year ago)
Launch price (MSRP)	$2,368	$2,499

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6421N has 115% better value for money than Ryzen Threadripper 7970X.

Detailed specifications

Xeon Gold 6421N and Ryzen Threadripper 7970X 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	32 (Dotriaconta-Core)	32 (Dotriaconta-Core)
Threads	64	64
Base clock speed	1.8 GHz	4 GHz
Boost clock speed	3.6 GHz	5.3 GHz
L1 cache	80K (per core)	64 KB (per core)
L2 cache	2 MB (per core)	1 MB (per core)
L3 cache	60 MB	128 MB (shared)
Chip lithography	Intel 7 nm	5 nm
Die size	no data	4x 71 mm2
Maximum case temperature (TCase)	85 °C	no data
Number of transistors	no data	26,280 million
64 bit support	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Gold 6421N and Ryzen Threadripper 7970X 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	1
Socket	FCLGA4677	sTR5
Power consumption (TDP)	185 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6421N and Ryzen Threadripper 7970X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AMX, 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 Gold 6421N and Ryzen Threadripper 7970X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6421N and Ryzen Threadripper 7970X 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 Gold 6421N and Ryzen Threadripper 7970X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4400	DDR5
Maximum memory size	4 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 Gold 6421N and Ryzen Threadripper 7970X.

PCIe version	5	5.0
PCI Express lanes	80	48

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	38.42	64.43
Recency	10 January 2023	19 October 2023
Power consumption (TDP)	185 Watt	350 Watt

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Should you still have questions on choice between Xeon Gold 6421N and Ryzen Threadripper 7970X, ask them in Comments section, and we shall answer.

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