Ryzen 9 5900X vs Ryzen 9 PRO 7945

VS

Aggregate performance score

Ryzen 9 PRO 7945
2023
12 cores / 24 threads, 65 Watt
30.11
+22.3%
Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.61

Ryzen 9 PRO 7945 outperforms Ryzen 9 5900X by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 PRO 7945 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking141206
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data32.25
Market segmentServerDesktop processor
Seriesno dataAMD Ryzen 9
Power efficiency43.8422.18
Architecture codenameRaphael (2023−2024)Vermeer (Zen3) (2020−2022)
Release date13 June 2023 (1 year ago)8 October 2020 (4 years ago)
Launch price (MSRP)no data$549

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 PRO 7945 and Ryzen 9 5900X 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 cores12 (Dodeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed3.7 GHz3.7 GHz
Boost clock speed5.4 GHz4.8 GHz
Multiplierno data37
L1 cache64 KB (per core)768 KB
L2 cache1 MB (per core)6 MB
L3 cache64 MB (shared)64 MB
Chip lithography5 nm7 nm, 12 nm
Die size2x 71 mm22x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum case temperature (TCase)47 °C95 °C
Number of transistors13,140 million0 Million
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 PRO 7945 and Ryzen 9 5900X 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 Ryzen 9 PRO 7945 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 PRO 7945 and Ryzen 9 5900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7945 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4-3200
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 Ryzen 9 PRO 7945 and Ryzen 9 5900X.

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. 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.

Ryzen 9 PRO 7945 30.11
+22.3%
Ryzen 9 5900X 24.61

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.

Ryzen 9 PRO 7945 47830
+22.3%
Ryzen 9 5900X 39096

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.

Ryzen 9 PRO 7945 2905
+31.6%
Ryzen 9 5900X 2207

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.

Ryzen 9 PRO 7945 16049
+34.4%
Ryzen 9 5900X 11940

Gaming performance

Pros & cons summary


Performance score 30.11 24.61
Recency 13 June 2023 8 October 2020
Chip lithography 5 nm 7 nm
Power consumption (TDP) 65 Watt 105 Watt

Ryzen 9 PRO 7945 has a 22.3% higher aggregate performance score, an age advantage of 2 years, a 40% more advanced lithography process, and 61.5% lower power consumption.

The Ryzen 9 PRO 7945 is our recommended choice as it beats the Ryzen 9 5900X in performance tests.

Be aware that Ryzen 9 PRO 7945 is a server/workstation processor while Ryzen 9 5900X is a desktop one.


Should you still have questions on choice between Ryzen 9 PRO 7945 and Ryzen 9 5900X, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 PRO 7945
Ryzen 9 PRO 7945
AMD Ryzen 9 5900X
Ryzen 9 5900X

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Community ratings

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Questions & comments

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