Ryzen 9 7900 vs EPYC 8434P

VS

Aggregate performance score

EPYC 8434P
2023
48 cores / 96 threads, 200 Watt
41.86
+36.3%
Ryzen 9 7900
2023
12 cores / 24 threads, 65 Watt
30.71

EPYC 8434P outperforms Ryzen 9 7900 by a substantial 36% based on our aggregate benchmark results.

Primary details

Comparing EPYC 8434P and Ryzen 9 7900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking57134
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation13.4165.60
Market segmentServerDesktop processor
Power efficiency19.8144.71
Architecture codenameSiena (2023−2024)Raphael (Zen4) (2022−2023)
Release date18 September 2023 (1 year ago)14 January 2023 (1 year ago)
Launch price (MSRP)$2,700$429

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7900 has 389% better value for money than EPYC 8434P.

Detailed specifications

EPYC 8434P and Ryzen 9 7900 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 cores48 (Octatetraconta-Core)12 (Dodeca-Core)
Threads9624
Base clock speed2.5 GHz3.7 GHz
Boost clock speed3.1 GHz5.4 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache128 MB (shared)64 MB (shared)
Chip lithography5 nm5 nm
Die size4x 73 mm22x 71 mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)75 °C47 °C
Number of transistors35,500 million13,140 million
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on EPYC 8434P and Ryzen 9 7900 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
SocketSP6AM5
Power consumption (TDP)200 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 8434P and Ryzen 9 7900. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data5 nm, 0.650 - 1.475V
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 8434P and Ryzen 9 7900 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 8434P and Ryzen 9 7900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon Graphics (Ryzen 7000) ( - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 8434P and Ryzen 9 7900.

PCIe version5.05.0
PCI Express lanes9624

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.

EPYC 8434P 41.86
+36.3%
Ryzen 9 7900 30.71

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.

EPYC 8434P 66490
+36.3%
Ryzen 9 7900 48777

Gaming performance

Pros & cons summary


Performance score 41.86 30.71
Recency 18 September 2023 14 January 2023
Physical cores 48 12
Threads 96 24
Power consumption (TDP) 200 Watt 65 Watt

EPYC 8434P has a 36.3% higher aggregate performance score, an age advantage of 8 months, and 300% more physical cores and 300% more threads.

Ryzen 9 7900, on the other hand, has 207.7% lower power consumption.

The EPYC 8434P is our recommended choice as it beats the Ryzen 9 7900 in performance tests.

Be aware that EPYC 8434P is a server/workstation processor while Ryzen 9 7900 is a desktop one.


Should you still have questions on choice between EPYC 8434P and Ryzen 9 7900, ask them in Comments section, and we shall answer.

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AMD EPYC 8434P
EPYC 8434P
AMD Ryzen 9 7900
Ryzen 9 7900

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Community ratings

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