Ryzen AI Max PRO 490 vs EPYC 7451

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	598	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	no data
Market segment	Server	Laptop
Series	AMD EPYC	AMD Strix / Gorgon Halo
Power efficiency	3.55	no data
Designer	AMD	AMD
Architecture codename	Naples (2017−2018)	Gorgon Halo PRO (2026)
Release date	20 June 2017 (9 years ago)	21 May 2026 (less than a year ago)
Launch price (MSRP)	$2,400	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Currently popular graphics cards are shown for comparison.

Detailed specifications

Basic parameters of EPYC 7451 and Ryzen AI Max PRO 490: 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	24 (Tetracosa-Core)	12 (Dodeca-Core)
Threads	48	24
Base clock speed	2.3 GHz	3.2 GHz
Boost clock speed	2.3 GHz	5 GHz
Multiplier	23	no data
L1 cache	2.25 MB	no data
L2 cache	12 MB	12 MB
L3 cache	64 MB (shared)	64 MB
Chip lithography	14 nm	4 nm
Die size	213 mm2	no data
Number of transistors	19200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7451 and Ryzen AI Max PRO 490 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	2 (Multiprocessor)	no data
Socket	TR4	FP11
Power consumption (TDP)	180 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7451 and Ryzen AI Max PRO 490. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	USB 4, XDNA 2 NPU (50 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7451 and Ryzen AI Max PRO 490 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7451 and Ryzen AI Max PRO 490. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5
Maximum memory size	2 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	170.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 8050S ( - 2800 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 7451 and Ryzen AI Max PRO 490.

PCIe version	3.0	no data
PCI Express lanes	128	no data

Pros & cons summary

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Recency	20 June 2017	21 May 2026
Physical cores	24	12
Threads	48	24
Chip lithography	14 nm	4 nm