Ryzen 7 5800X vs EPYC 4345P

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Aggregate performance score

EPYC 4345P
2025
8 cores / 16 threads, 65 Watt
23.43
+35.7%
Ryzen 7 5800X
2020
8 cores / 16 threads, 105 Watt
17.27

EPYC 4345P outperforms Ryzen 7 5800X by a substantial 36% based on our aggregate benchmark results.

Primary details

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

Place in the ranking262431
Place by popularitynot in top-10058
Cost-effectiveness evaluation60.5123.02
Market segmentServerDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiency34.7715.87
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameGrado (2025)Vermeer (Zen 3) (2020−2022)
Release date13 May 2025 (recently)5 November 2020 (4 years ago)
Launch price (MSRP)$329$449

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 4345P has 163% better value for money than Ryzen 7 5800X.

Performance to price scatter graph

Detailed specifications

EPYC 4345P and Ryzen 7 5800X 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.8 GHz3.8 GHz
Boost clock speed5.5 GHz4.7 GHz
Multiplierno data38
L1 cache80 KB (per core)64K (per core)
L2 cache1 MB (per core)512K (per core)
L3 cache32 MB (shared)32 MB
Chip lithography4 nm7 nm, 12 nm
Die size70.6 mm22 x 80.7 sq. mm; I/O = 125 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)no data95 °C
Number of transistors8,315 millionno data
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on EPYC 4345P and Ryzen 7 5800X 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 configuration11
SocketAM5AM4
Power consumption (TDP)65 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 4345P and Ryzen 7 5800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 4345P and Ryzen 7 5800X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 4345P and Ryzen 7 5800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon Graphics-

Peripherals

Specifications and connection of peripherals supported by EPYC 4345P and Ryzen 7 5800X.

PCIe version5.04.0
PCI Express lanes24no data

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.

EPYC 4345P 23.43
+35.7%
Ryzen 7 5800X 17.27

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.

EPYC 4345P 37671
+35.7%
Ryzen 7 5800X 27760

Gaming performance

Pros & cons summary


Performance score 23.43 17.27
Recency 13 May 2025 5 November 2020
Chip lithography 4 nm 7 nm
Power consumption (TDP) 65 Watt 105 Watt

EPYC 4345P has a 35.7% higher aggregate performance score, an age advantage of 4 years, a 75% more advanced lithography process, and 61.5% lower power consumption.

The AMD EPYC 4345P is our recommended choice as it beats the AMD Ryzen 7 5800X in performance tests.

Be aware that EPYC 4345P is a server/workstation processor while Ryzen 7 5800X is a desktop one.

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AMD EPYC 4345P
EPYC 4345P
AMD Ryzen 7 5800X
Ryzen 7 5800X

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Community ratings

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