Ryzen 9 7945HX vs EPYC 9454P

VS

Aggregate performance score

EPYC 9454P
2022
48 cores / 96 threads, 290 Watt
60.35
+75.3%
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.42

EPYC 9454P outperforms Ryzen 9 7945HX by an impressive 75% based on our aggregate benchmark results.

Primary details

Comparing EPYC 9454P and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16111
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation9.57no data
Market segmentServerLaptop
SeriesAMD EPYCno data
Power efficiency19.6959.23
Architecture codenameGenoa (2022−2023)Dragon Range-HX (Zen 4) (2023−2024)
Release date10 November 2022 (2 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$4,598no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 9454P and Ryzen 9 7945HX 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)16 (Hexadeca-Core)
Threads9632
Base clock speed2.75 GHz2.5 GHz
Boost clock speed2.75 GHz5.4 GHz
Multiplier27.5no data
L1 cache3 MB64K (per core)
L2 cache48 MB1 MB (per core)
L3 cache256 MB (shared)64 MB (shared)
Chip lithography5 nm, 6 nmCCD = 5 nm, I/O = 6 nm
Die size8x 72 mm22x 71 mm2
Maximum core temperatureno data100 °C
Number of transistors52,560 million13,140 million
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on EPYC 9454P and Ryzen 9 7945HX 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
SocketSP5FL1
Power consumption (TDP)290 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9454P and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9454P and Ryzen 9 7945HX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9454P and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800DDR5
Maximum memory size6 TiBno data
Maximum memory bandwidth460.8 GB/sno data

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 9454P and Ryzen 9 7945HX.

PCIe version5.05.0
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 9454P 60.35
+75.3%
Ryzen 9 7945HX 34.42

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 9454P 95863
+75.4%
Ryzen 9 7945HX 54668

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 9454P 1973
Ryzen 9 7945HX 2736
+38.7%

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 9454P 19121
+20.3%
Ryzen 9 7945HX 15895

Gaming performance

Pros & cons summary


Performance score 60.35 34.42
Recency 10 November 2022 4 January 2023
Physical cores 48 16
Threads 96 32
Power consumption (TDP) 290 Watt 55 Watt

EPYC 9454P has a 75.3% higher aggregate performance score, and 200% more physical cores and 200% more threads.

Ryzen 9 7945HX, on the other hand, has an age advantage of 1 month, and 427.3% lower power consumption.

The EPYC 9454P is our recommended choice as it beats the Ryzen 9 7945HX in performance tests.

Be aware that EPYC 9454P is a server/workstation processor while Ryzen 9 7945HX is a notebook one.


Should you still have questions on choice between EPYC 9454P and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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AMD EPYC 9454P
EPYC 9454P
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

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Community ratings

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Questions & comments

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