Intel Xeon Gold 5418Y vs Intel Xeon Gold 6434: comparison

Comparison of Intel Xeon Gold 5418Y and Intel Xeon Gold 6434: key differences and a full specification table.

Key differences

Intel Xeon Gold 5418Y has more cores (24 vs 8), more threads (48 vs 16) and a lower TDP (185 W vs 195 W).

At the same time, Intel Xeon Gold 6434 has a higher base clock (3.7 GHz vs 2 GHz) and a higher maximum clock (4.1 GHz vs 3.8 GHz).

Both processors match on: maximum memory size (4 TB), memory channels (8), PCIe version (5).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Xeon Gold 5418YIntel Xeon Gold 6434
Cores / threads 24 / 48 8 / 16
Max boost clock 3.8 GHz 4.1 GHz
TDP 185 W 195 W
Process Intel 7 Intel 7

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Xeon Gold 5418Y Intel Xeon Gold 6434
General
Model 5418Y 6434
Codename Sapphire Rapids Sapphire Rapids
Segment Server Server
Product line 4th Generation Intel Xeon Scalable Processors 4th Generation Intel Xeon Scalable Processors
Process Intel 7 Intel 7
Launch date Q1 2023 Q1 2023
Status Launched Launched
Embedded options available Yes No
Use conditions Server/Enterprise Server/Enterprise
CPU
Cores 24 8
Threads 48 16
Multithreading (SMT/HT) Yes Yes
Base clock 2 GHz 3.7 GHz
Max boost clock 3.8 GHz 4.1 GHz
Cache (level unspecified) 45 MB 22.5 MB
TDP 185 W 195 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set extensions AMX, SSE4.2, AVX, AVX2, AVX-512 AMX, SSE4.2, AVX, AVX2, AVX-512
UPI links 3 3
UPI speed 16 GT/s 16 GT/s
High priority cores 8 2
High priority core frequency 2.2 GHz 3.9 GHz
Low priority cores 16 6
Memory
Max memory size 4 TB 4 TB
Memory types DDR5 DDR5
Memory channels 8 8
ECC memory supported Yes Yes
I/O and interfaces
PCI Express revision 5 5
PCI Express lanes 80 80
Scalability 2S 2S
Package and thermal
Sockets supported FCLGA4677 FCLGA4677
Package size 77.5mm x 56.5mm 77.5mm x 56.5mm
TCASE 81 °C 64 °C
Package carrier E1B E1B
DTS max 94 °C 96 °C
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Virtualization for Directed I/O (VT-d) Yes Yes
Extended Page Tables (EPT) Yes Yes
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes Yes
Intel OS Guard Yes Yes
Intel Boot Guard Yes Yes
Intel Software Guard Extensions Yes Yes
Max enclave page cache size (SGX) 128 GB 128 GB
Mode-based Execute Control Yes Yes
Control-Flow Enforcement Technology Yes Yes
Total Memory Encryption Yes Yes
Platform Firmware Resilience Yes Yes
Crypto Acceleration Yes Yes
QuickAssist Software Acceleration Yes Yes
Technologies
Transactional Synchronization Extensions Yes Yes
Deep Learning Boost Yes Yes
Speed Shift Technology Yes Yes
Resource Director Technology Yes Yes
AVX-512 FMA units 2 2
Data Streaming Accelerator 1 default devices 1 default devices
Advanced Matrix Extensions Yes Yes
On Demand feature activation Yes Yes

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