AMD

AMD Ryzen 5 PRO 9645

AMD processor specifications and benchmark scores

6
Cores
12
Threads
5.4
GHz Boost
65W
TDP
Integrated GPU ECC Memory

At a Glance

AMD
Cores / Threads 6C / 12T
Boost Clock 5.4 GHz
Base Clock 3.9 GHz
L3 Cache 32 MB (shared)
TDP 65W
Socket AMD Socket AM5
nm
Process 4 nm
Released Sep 2025

AMD Ryzen 5 PRO 9645 Specifications

Ryzen 5 PRO 9645 Core Configuration

Processing cores and threading

The AMD Ryzen 5 PRO 9645 features 6 physical cores and 12 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
6
Threads
12
SMP CPUs
1

5 PRO 9645 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Ryzen 5 PRO 9645 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Ryzen 5 PRO 9645 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.9 GHz
Boost Clock
5.4 GHz
Multiplier
39x

AMD's Ryzen 5 PRO 9645 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 5 PRO 9645 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Ryzen 5 PRO 9645's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
80 KB (per core)
L2 Cache
1 MB (per core)
L3 Cache
32 MB (shared)

AMD Architecture & Process

Manufacturing and design details

The AMD Ryzen 5 PRO 9645 is built on AMD's 4 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in 5 PRO 9645 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Codename
Granite Ridge
Process Node
4 nm
Foundry
TSMC
Transistors
8,315 million
Die Size
70.6 mm²
Generation
Ryzen 7 (Zen 5 (Granite Ridge))

5 PRO 9645 Power & Thermal

TDP and power specifications

The AMD Ryzen 5 PRO 9645 has a TDP (Thermal Design Power) of 65W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
65W
PPT
88 W
Tj Max
95°C

AMD Socket AM5 Platform & Socket

Compatibility information

The Ryzen 5 PRO 9645 uses the AMD Socket AM5 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket AM5
Chipsets
X870E, X870, B850, B840, X670E, X670, B650E, B650, A620
PCIe
Gen 5, 24 Lanes(CPU only)
Package
FC-LGA1718
DDR5

AMD Socket AM5 Memory Support

RAM compatibility and speeds

Memory support specifications for the 5 PRO 9645 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Ryzen 5 PRO 9645 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR5
Memory Bus
Dual-channel
Memory Bandwidth
89.6 GB/s
ECC Memory
Supported

AMD's Ryzen 5 PRO 9645 Integrated Graphics

Built-in GPU specifications

The AMD Ryzen 5 PRO 9645 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the 5 PRO 9645 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Radeon Graphics
Graphics Model
Radeon Graphics

Ryzen 5 PRO 9645 Product Information

Release and pricing details

The AMD Ryzen 5 PRO 9645 is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Ryzen 5 PRO 9645 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Sep 2025
Market
Server/Workstation
Status
Active
Part Number
100-000001409
Bundled Cooler
Wraith Stealth

Ryzen 5 PRO 9645 Benchmark Scores

passmark_data_compressionSource

Data compression measures how fast AMD Ryzen 5 PRO 9645 can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations. Software distribution and cloud storage services benefit from efficient compression performance.

passmark_data_compression #268 of 689
363,736
6%
Max: 5,679,990
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
5,679,990
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast AMD Ryzen 5 PRO 9645 can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher.

passmark_data_encryption #354 of 689
17,599
5%
Max: 348,449
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
348,449
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests AMD Ryzen 5 PRO 9645 performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities. Machine learning inference and scientific computing also benefit from strong SIMD performance.

passmark_extended_instructions #216 of 689
29,705
8%
Max: 383,298
Compare with other CPUs

passmark_find_prime_numbersSource

Find prime numbers tests AMD Ryzen 5 PRO 9645 ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks.

passmark_find_prime_numbers #184 of 689
235
10%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how AMD Ryzen 5 PRO 9645 handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations. Scientific and engineering applications benefit significantly from higher floating point scores.

passmark_floating_point_math #319 of 689
62,720
5%
Max: 1,153,453
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
1,153,453
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219

passmark_integer_mathSource

Integer math tests how fast AMD Ryzen 5 PRO 9645 processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations.

passmark_integer_math #300 of 689
93,019
5%
Max: 1,926,069
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
1,926,069
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9655P
1,225,251
#5 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests AMD Ryzen 5 PRO 9645 across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability.

passmark_multithread #260 of 689
31,434
18%
Max: 171,200
Compare with other CPUs

passmark_physicsSource

Physics tests how AMD Ryzen 5 PRO 9645 handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores. Engineering applications like structural analysis and fluid dynamics also rely on physics computation.

passmark_physics #262 of 689
1,945
7%
Max: 27,806
Compare with other CPUs

passmark_random_string_sortingSource

Random string sorting measures how fast AMD Ryzen 5 PRO 9645 can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores. Database servers and search engines rely heavily on efficient string manipulation.

passmark_random_string_sorting #291 of 689
38,410
6%
Max: 633,030
Compare with other CPUs

Top 5 Performers

#1 AMD EPYC 9965
633,030
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
451,824

passmark_single_threadSource

PassMark single-thread measures per-core performance of AMD Ryzen 5 PRO 9645 across various computational tasks. This score is critical for gaming and single-threaded applications.

passmark_single_thread #30 of 689
4,636
91%
Max: 5,087

passmark_singlethreadSource

PassMark single-thread measures per-core performance of AMD Ryzen 5 PRO 9645 across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.

passmark_singlethread #30 of 689
4,636
91%
Max: 5,087

The Intel Equivalent of Ryzen 5 PRO 9645

Looking for a similar processor from Intel? The Intel Core i5-110 offers comparable performance and features in the Intel lineup.

Intel Core i5-110

Intel • 6 Cores

View Specs Compare

Popular AMD Ryzen 5 PRO 9645 Comparisons

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