Ryzen 9 5900XT vs EPYC 7281

Primary details

Comparing EPYC 7281 and Ryzen 9 5900XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	542	165
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.63	67.09
Market segment	Server	Desktop processor
Series	AMD EPYC	no data
Power efficiency	7.57	25.27
Architecture codename	Naples (2017−2018)	Vermeer (2020−2024)
Release date	20 June 2017 (7 years ago)	31 July 2024 (less than a year ago)
Launch price (MSRP)	$650	$349

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900XT has 1349% better value for money than EPYC 7281.

Detailed specifications

EPYC 7281 and Ryzen 9 5900XT 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	16 (Hexadeca-Core)	16 (Hexadeca-Core)
Threads	32	32
Base clock speed	2.1 GHz	3.3 GHz
Boost clock speed	2.1 GHz	4.8 GHz
Multiplier	21	no data
L1 cache	1.5 MB	64 KB (per core)
L2 cache	8 MB	512 KB (per core)
L3 cache	32 MB (shared)	64 MB
Chip lithography	14 nm	7 nm
Die size	213 mm2	2x 74 mm2
Number of transistors	19200 Million	8,300 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	+

Compatibility

Information on EPYC 7281 and Ryzen 9 5900XT 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)	1
Socket	TR4	AM4
Power consumption (TDP)	155 W, 170 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7281 and Ryzen 9 5900XT. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7281 and Ryzen 9 5900XT are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7281 and Ryzen 9 5900XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4
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

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7281 and Ryzen 9 5900XT.

PCIe version	3.0	4.0
PCI Express lanes	128	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	13.66	28.15
Recency	20 June 2017	31 July 2024
Chip lithography	14 nm	7 nm
Power consumption (TDP)	155 Watt	105 Watt

---

Should you still have questions on choice between EPYC 7281 and Ryzen 9 5900XT, 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.

---