Xeon Max 9480 vs Gold 6421N

Place in performance ranking	76	20
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Sapphire Rapids	Sapphire Rapids HBM
Release date	10 January 2023 (1 year ago)	10 January 2023 (1 year ago)

Detailed specifications

Xeon Gold 6421N and Xeon Max 9480 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)	56 (Hexapentaconta-Core)
Threads	64	112
Base clock speed	1.8 GHz	1.9 GHz
Boost clock speed	3.6 GHz	3.5 GHz
L1 cache	80K (per core)	80K (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	60 MB	112.5 MB
Chip lithography	Intel 7 nm	10 nm
Die size	no data	4x 477 mm²
Maximum core temperature	85 °C	no data
Maximum case temperature (TCase)	85 °C	64 °C
64 bit support	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6421N and Xeon Max 9480 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	FCLGA4677	4677
Power consumption (TDP)	185 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6421N and Xeon Max 9480. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Status	Launched	no data

Security technologies

Xeon Gold 6421N and Xeon Max 9480 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
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 Xeon Max 9480 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6421N and Xeon Max 9480. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4400	DDR5-4800
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6421N and Xeon Max 9480.

PCIe version	5	5.0
PCI Express lanes	80	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.

Xeon Gold 6421N 38.01

Xeon Max 9480 56.52
+48.7%

Max 9480 outperforms Gold 6421N by 49% 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 Gold 6421N 58797

Xeon Max 9480 87420
+48.7%

Max 9480 outperforms Gold 6421N by 49% in Passmark.