Ryzen 7 155 vs EPYC 7702

Primary details

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

Place in the ranking	105	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.70	no data
Market segment	Server	Laptop
Series	AMD EPYC	AMD Hawk Point (Zen 4/4c)
Power efficiency	8.32	no data
Designer	AMD	AMD
Manufacturer	TSMC	no data
Architecture codename	Zen 2 (2019−2020)	Hawk Point Refresh (2026)
Release date	7 August 2019 (7 years ago)	2 June 2026 (less than a year ago)
Launch price (MSRP)	$6,450	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 7702 and Ryzen 7 155: 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)	6 (Hexa-Core)
Threads	128	12
Base clock speed	2 GHz	3 GHz
Boost clock speed	3.35 GHz	4.7 GHz
Multiplier	20	no data
L1 cache	96K (per core)	384 KB
L2 cache	512K (per core)	6 MB
L3 cache	256 MB (shared)	16 MB
Chip lithography	7 nm, 14 nm	4 nm
Die size	192 mm2	178 mm2
Maximum core temperature	no data	100 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7702 and Ryzen 7 155 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	FP7/FP7r2/FP8
Power consumption (TDP)	200 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7702 and Ryzen 7 155. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7702 and Ryzen 7 155 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7702 and Ryzen 7 155. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5
Maximum memory size	4 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	204.763 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 740M ( - 2600 MHz)

Pros & cons summary

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Recency	7 August 2019	2 June 2026
Physical cores	64	6
Threads	128	12
Chip lithography	7 nm	4 nm