Xeon Silver 4509Y vs Phi 7285

Primary details

Comparing Xeon Phi 7285 and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Phi	no data
Architecture codename	Knights Mill (2017)	Sapphire Rapids (2023−2024)
Release date	1 December 2017 (6 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$563

Detailed specifications

Xeon Phi 7285 and Xeon Silver 4509Y 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	68 (Octahexaconta-Core)	8 (Octa-Core)
Threads	272	16
Base clock speed	1.3 GHz	2.6 GHz
Boost clock speed	1.4 GHz	4.1 GHz
Multiplier	15	no data
L1 cache	32K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB (shared)	22.5 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	72 °C	no data
Maximum case temperature (TCase)	no data	84 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	0.550-1.2V	no data

Compatibility

Information on Xeon Phi 7285 and Xeon Silver 4509Y 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	SVLCLGA3647	FCLGA4677
Power consumption (TDP)	250 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Phi 7285 and Xeon Silver 4509Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Status	Discontinued	Launched
Deep Learning Boost	-	+

Security technologies

Xeon Phi 7285 and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Phi 7285 and Xeon Silver 4509Y are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Phi 7285 and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR5 @ 4400 MT/s (1 DPC &2DPC)
Maximum memory size	384 GB	4 TB
Max memory channels	6	8
Maximum memory bandwidth	115.212 GB/s	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 Phi 7285 and Xeon Silver 4509Y.

PCIe version	3.0	5
PCI Express lanes	36	80

Pros & cons summary

---

Recency	1 December 2017	14 December 2023
Physical cores	68	8
Threads	272	16
Power consumption (TDP)	250 Watt	125 Watt

---

Should you still have questions on choice between Xeon Phi 7285 and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---