AMD Ryzen 9 Pro 9945 vs Ryzen 7 Pro 9745

We compared two desktop CPUs: the 3.4 GHz AMD Ryzen 9 Pro 9945 with 12-cores against the 3.8 GHz Ryzen 7 Pro 9745 with 8-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 DeviceFacts Score for desktop CPU.
DeviceFacts Final Score
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Value for money (Beta)

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Key Differences

What are the key differences between 9745 and 9945
Advantages of AMD Ryzen 9 Pro 9945
  • Has 32 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Has 4 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 (105th and 116th 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 1320 MB/sec 1210 MB/sec
Clang compilation 157.1 Klines/sec 127.3 Klines/sec
HTML 5 Browser 254.3 pages/sec 247.7 pages/sec
PDF Renderer 457.4 Mpixels/sec 434.6 Mpixels/sec
Text processing 351.6 pages/sec 353 pages/sec
Background blur 68.2 images/sec 77.5 images/sec
Photo processing 98.8 images/sec 97.6 images/sec
Ray tracing 35.4 Mpixels/sec 27.7 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 171.2 GOps/sec 124.2 GOps/sec
Floating point math 107.3 GOps/sec 82.5 GOps/sec
Find prime numbers 342M Primes/sec 188M Primes/sec
Random string sorting 62.5M Strings/sec 49.2M Strings/sec
Data encryption 30.5 GBytes/sec 22.8 GBytes/sec
Data compression 580 MBytes/sec 457.2 MBytes/sec
Physics 2902 Frames/sec 2026 Frames/sec
Extended instructions 44.4B Matrices/sec 36.8B Matrices/sec
Sources: PassMark [3], [4] – 25 & 146 samples

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 18.9 PPW 18.1 PPW
Geekbench 6 Multi / Watt 249.3 PPW 228.3 PPW
Passmark CPU Mark / Watt 748.7 PPW 587.7 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of AMD Ryzen 9 Pro 9945 and Ryzen 7 Pro 9745

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 9945 9745
Integrated GPU Radeon Graphics Radeon Graphics
AMD Ryzen CPU ranking (15th and 25th place)

CPU

Performance Cores
P-Cores 12 8
P-Threads 24 16
Base Frequency (P) 3.4 GHz 3.8 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Total
Total Cores 12 8
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 34x 38x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (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 (29th and 44th 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 9 Pro 9945 official page AMD Ryzen 7 Pro 9745 official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

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Comments

So which CPU will you choose: AMD Ryzen 7 Pro 9745 or Ryzen 9 Pro 9945?
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