AMD Ryzen 7 Pro 9745 vs Ryzen 5 Pro 9645

We compared two desktop CPUs: the 3.8 GHz AMD Ryzen 7 Pro 9745 with 8-cores against the 3.9 GHz Ryzen 5 Pro 9645 with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
🔌 Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click “Calculate".
Currency
VS

Key Differences

What are the key differences between 9645 and 9745
Advantages of AMD Ryzen 7 Pro 9745
  • Has 2 more physical cores

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (116th and 135th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1210 MB/sec 1170 MB/sec
Clang compilation 127.3 Klines/sec 105.3 Klines/sec
HTML 5 Browser 247.7 pages/sec 232.7 pages/sec
PDF Renderer 434.6 Mpixels/sec 361 Mpixels/sec
Text processing 353 pages/sec 358.7 pages/sec
Background blur 77.5 images/sec 73.7 images/sec
Photo processing 97.6 images/sec 92.3 images/sec
Ray tracing 27.7 Mpixels/sec 22.3 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 124.2 GOps/sec 93 GOps/sec
Floating point math 82.5 GOps/sec 62.7 GOps/sec
Find prime numbers 188M Primes/sec 235M Primes/sec
Random string sorting 49.2M Strings/sec 38.4M Strings/sec
Data encryption 22.8 GBytes/sec 17.6 GBytes/sec
Data compression 457.2 MBytes/sec 363.7 MBytes/sec
Physics 2026 Frames/sec 1945 Frames/sec
Extended instructions 36.8B Matrices/sec 29.7B Matrices/sec
Sources: PassMark [3], [4] – 146 & 1132 samples

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 18.1 PPW 16.6 PPW
Geekbench 6 Multi / Watt 228.3 PPW 208 PPW
Passmark CPU Mark / Watt 587.7 PPW 483.6 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of AMD Ryzen 7 Pro 9745 and Ryzen 5 Pro 9645

General

Vendor Amd Amd
Released January 5, 2026 January 5, 2026
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Zen 5 (Granite Ridge) Zen 5 (Granite Ridge)
Model number 9745 9645
Integrated GPU Radeon Graphics Radeon Graphics
AMD Ryzen CPU ranking (25th and 28th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 3.8 GHz 3.9 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Total
Total Cores 8 6
Total Threads 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 38x 39x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 32MB (shared) 32MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 4 nm 4 nm
TDP (PL1) 65 W 65 W
Socket AM5 AM5
Peak Temperature 95°C 95°C
Desktop CPU ranking (44th and 46th place)

iGPU

Integrated Graphics Radeon Graphics Radeon Graphics
GPU Base Clock 400 MHz 400 MHz
GPU Boost Clock 2200 MHz 2200 MHz
Shading Units 128 128
TMUs 8 8
ROPs 4 4
Execution Units 2 2
TGP 15 W 15 W
iGPU FLOPS
0.6 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR5-5600 - DDR5-5600
Max. Memory Size 192 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 89.6 GB/s
ECC Support Yes Yes

Misc

Official Site AMD Ryzen 7 Pro 9745 official page AMD Ryzen 5 Pro 9645 official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
1 (100%)
0 (0%)
Total votes: 1

Comments

So which CPU will you choose: AMD Ryzen 5 Pro 9645 or Ryzen 7 Pro 9745?
🌐 Register your profile and become part of NanoReview community!