Intel Xeon Platinum 8168 vs Intel Xeon Phi 7285: comparison

Comparison of Intel Xeon Platinum 8168 and Intel Xeon Phi 7285: key differences and a full specification table.

Key differences

Intel Xeon Platinum 8168 has a higher base clock (2.7 GHz vs 1.3 GHz), a higher maximum clock (3.7 GHz vs 1.4 GHz), a lower TDP (205 W vs 250 W) and a higher maximum memory size (768 GB vs 384 GB).

At the same time, Intel Xeon Phi 7285 has more cores (68 vs 24).

Both processors match on: process node (14 nm), memory channels (6), PCIe version (3).

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 Platinum 8168Intel Xeon Phi 7285
Cores / threads 24 / 48 68
Max boost clock 3.7 GHz 1.4 GHz
L3 cache 33 MB —
TDP 205 W 250 W
Process 14 nm 14 nm

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 Platinum 8168 Intel Xeon Phi 7285
General
Model 8168 7285
Codename Skylake Knights Mill
Segment Server Server
Product line Масштабируемые процессоры Intel Xeon Семейство процессоров Intel Xeon Phi 72x5
Process 14 nm 14 nm
Launch date Q3 2017 Q4 2017
Status Discontinued Discontinued
Servicing status ESU Notification Issued End of Servicing Updates
End of servicing updates 12/31/2023 —
Embedded options available No No
CPU
Cores 24 68
Threads 48 —
Multithreading (SMT/HT) Yes —
Base clock 2.7 GHz 1.3 GHz
Max boost clock 3.7 GHz 1.4 GHz
L2 cache — 34 MB
L3 cache 33 MB —
TDP 205 W 250 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set width — 64 bit
Instruction set extensions SSE4.2, AVX, AVX2, AVX-512 AVX-512
UPI links 3 —
VID voltage range — 0.550-1.200V
Memory
Max memory size 768 GB 384 GB
Memory types DDR4 DDR4
Memory channels 6 6
Max memory speed 2.666 GHz —
Max memory bandwidth — 115.2 GB/s
ECC memory supported Yes Yes
I/O and interfaces
PCI Express revision 3 3
PCI Express lanes 48 36
PCI Express configurations — x16 port (Port 2 and 3) may negotiate down to x8, x4, x2, or x1. x4 port (Port 1) may negotiate down to x2, or x1
Scalability S8S —
Package and thermal
Sockets supported FCLGA3647 SVLCLGA3647
Package size 76.0mm x 56.5mm —
TCASE 85 °C 72 °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 No
Intel Boot Guard — No
Intel Software Guard Extensions — No
Mode-based Execute Control Yes —
Intel Memory Protection Extensions — No
vPro Eligibility Intel vPro Platform —
Technologies
Enhanced SpeedStep Yes —
Idle States — Yes
Thermal Monitoring Technologies — Yes
Transactional Synchronization Extensions Yes —
Volume Management Device Yes —
Turbo Boost Max 3.0 No —
Speed Shift Technology Yes —
Optane Memory Supported No —
AVX-512 FMA units 2 —

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