EPYC 4345P vs EPYC 9135

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Aggregate performance score

EPYC 9135
2024
16 cores / 32 threads, 200 Watt
35.69
+52.3%
EPYC 4345P
2025
8 cores / 16 threads, 65 Watt
23.43

EPYC 9135 outperforms EPYC 4345P by an impressive 52% based on our aggregate benchmark results.

Primary details

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

Place in the ranking123262
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation29.5460.51
Market segmentServerServer
Power efficiency17.2134.77
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameTurin (2024)Grado (2025)
Release date10 October 2024 (less than a year ago)13 May 2025 (recently)
Launch price (MSRP)$1,214$329

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 4345P has 105% better value for money than EPYC 9135.

Performance to price scatter graph

Detailed specifications

EPYC 9135 and EPYC 4345P 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 cores16 (Hexadeca-Core)8 (Octa-Core)
Threads3216
Base clock speed3.65 GHz3.8 GHz
Boost clock speed4.3 GHz5.5 GHz
L1 cache80 KB (per core)80 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache64 MB (shared)32 MB (shared)
Chip lithography4 nm4 nm
Die size2x 70.6 mm270.6 mm2
Number of transistors16,630 million8,315 million
64 bit support++

Compatibility

Information on EPYC 9135 and EPYC 4345P 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 configuration21
SocketSP5AM5
Power consumption (TDP)200 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9135 and EPYC 4345P. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9135 and EPYC 4345P are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9135 and EPYC 4345P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by EPYC 9135 and EPYC 4345P.

PCIe version5.05.0
PCI Express lanes12824

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 9135 35.69
+52.3%
EPYC 4345P 23.43

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 9135 57380
+52.3%
EPYC 4345P 37671

Gaming performance

Pros & cons summary


Performance score 35.69 23.43
Recency 10 October 2024 13 May 2025
Physical cores 16 8
Threads 32 16
Power consumption (TDP) 200 Watt 65 Watt

EPYC 9135 has a 52.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.

EPYC 4345P, on the other hand, has an age advantage of 7 months, and 207.7% lower power consumption.

The AMD EPYC 9135 is our recommended choice as it beats the AMD EPYC 4345P in performance tests.

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AMD EPYC 9135
EPYC 9135
AMD EPYC 4345P
EPYC 4345P

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Community ratings

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