EPYC 9645 vs Xeon Phi 7235

Primary details

Comparing Xeon Phi 7235 and EPYC 9645 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)	Turin (2024)
Release date	1 December 2017 (7 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$11,048

Detailed specifications

Xeon Phi 7235 and EPYC 9645 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	64 (Tetrahexaconta-Core)	96
Threads	256	192
Base clock speed	1.3 GHz	2.3 GHz
Boost clock speed	1.4 GHz	3.7 GHz
Multiplier	15	no data
L1 cache	32K (per core)	80 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	0 KB (shared)	256 MB (shared)
Chip lithography	14 nm	3 nm
Maximum core temperature	72 °C	no data
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 7235 and EPYC 9645 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	SP5
Power consumption (TDP)	250 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Phi 7235 and EPYC 9645. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Turbo Boost Technology	2.0	no data
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Xeon Phi 7235 and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
SGX	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Phi 7235 and EPYC 9645 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 Phi 7235 and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2133	DDR5
Maximum memory size	384 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	102.381 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 7235 and EPYC 9645.

PCIe version	3.0	5.0
PCI Express lanes	36	128

Pros & cons summary

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Recency	1 December 2017	10 October 2024
Physical cores	64	96
Threads	256	192
Chip lithography	14 nm	3 nm
Power consumption (TDP)	250 Watt	320 Watt

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