Ryzen 9 7945HX3D vs EPYC 7351P

VS

Aggregate performance score

EPYC 7351P
2017
16 cores / 32 threads, 155 Watt
16.15
Ryzen 9 7945HX3D
2023
16 cores / 32 threads, 55 Watt
36.15
+124%

Ryzen 9 7945HX3D outperforms EPYC 7351P by a whopping 124% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7351P and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking41599
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.63no data
Market segmentServerLaptop
SeriesAMD EPYCAMD Dragon Range (Zen 4, Ryzen 7045)
Power efficiency8.9962.20
Architecture codenameNaples (2017−2018)Dragon Range-HX (Zen 4) (2023−2024)
Release date20 June 2017 (7 years ago)27 July 2023 (1 year ago)
Launch price (MSRP)$750no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7351P and Ryzen 9 7945HX3D 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)16 (Hexadeca-Core)
Threads3232
Base clock speed2.4 GHz2.3 GHz
Boost clock speed2.4 GHz5.4 GHz
Multiplier24no data
L1 cache1.5 MB64 KB (per core)
L2 cache8 MB1 MB (per core)
L3 cache64 MB (shared)128 MB (shared)
Chip lithography14 nm5 nm
Die size213 mm22x 71 mm2
Maximum core temperatureno data89 °C
Number of transistors19200 Million17,840 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on EPYC 7351P and Ryzen 9 7945HX3D 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 configuration1 (Uniprocessor)1
SocketTR4FL1
Power consumption (TDP)155 W, 170 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7351P and Ryzen 9 7945HX3D. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7351P and Ryzen 9 7945HX3D are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7351P and Ryzen 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5-5200
Maximum memory size2 TiBno data
Max memory channels8no data
Maximum memory bandwidth170.671 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 610M (400 - 2200 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC 7351P and Ryzen 9 7945HX3D.

PCIe version3.05.0
PCI Express lanes12828

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 7351P 16.15
Ryzen 9 7945HX3D 36.15
+124%

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 7351P 25657
Ryzen 9 7945HX3D 57430
+124%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

EPYC 7351P 630
Ryzen 9 7945HX3D 2762
+338%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

EPYC 7351P 4738
Ryzen 9 7945HX3D 16398
+246%

Gaming performance

Pros & cons summary


Performance score 16.15 36.15
Recency 20 June 2017 27 July 2023
Chip lithography 14 nm 5 nm
Power consumption (TDP) 155 Watt 55 Watt

Ryzen 9 7945HX3D has a 123.8% higher aggregate performance score, an age advantage of 6 years, a 180% more advanced lithography process, and 181.8% lower power consumption.

The Ryzen 9 7945HX3D is our recommended choice as it beats the EPYC 7351P in performance tests.

Be aware that EPYC 7351P is a server/workstation processor while Ryzen 9 7945HX3D is a notebook one.


Should you still have questions on choice between EPYC 7351P and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD EPYC 7351P
EPYC 7351P
AMD Ryzen 9 7945HX3D
Ryzen 9 7945HX3D

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Community ratings

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4.3 14 votes

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Questions & comments

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