Home > CPU Comparison > Ryzen 9 7945HX or Ryzen 9 7845HX: what's better?

AMD Ryzen 9 7945HX vs Ryzen 9 7845HX

74 out of 100
AMD Ryzen 9 7945HX
VS
69 out of 100
AMD Ryzen 9 7845HX
AMD Ryzen 9 7945HX
AMD Ryzen 9 7845HX

We compared two laptop CPUs: the 2.5 GHz AMD Ryzen 9 7945HX with 16-cores against the 3.0 GHz Ryzen 9 7845HX with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 7845HX and 7945HX
Advantages of AMD Ryzen 9 7945HX
  • Has 4 more physical cores
  • 4% higher Turbo Boost frequency (5.4 GHz vs 5.2 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 9 7945HX
vs
Ryzen 9 7845HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (41st and 79th place)
Submit your benchmark results

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)
Ryzen 9 7945HX +2%
17828
Ryzen 9 7845HX
17533
File compression 1590 MB/sec 1510 MB/sec
Clang compilation 190.6 Klines/sec 187.5 Klines/sec
HTML 5 Browser 320.2 pages/sec 293.3 pages/sec
PDF Renderer 474.8 Mpixels/sec 473.4 Mpixels/sec
Text processing 296.8 pages/sec 322.5 pages/sec
Background blur 66.1 images/sec 71.1 images/sec
Photo processing 114.8 images/sec 100.1 images/sec
Ray tracing 43 Mpixels/sec 43.5 Mpixels/sec
Sources: GeekBench [1], [2] – 677 & 494 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Ryzen 9 7945HX +21%
53917
Ryzen 9 7845HX
44411
Integer math 205.1 GOps/sec 152.9 GOps/sec
Floating point math 122.1 GOps/sec 92.9 GOps/sec
Find prime numbers 280M Primes/sec 327M Primes/sec
Random string sorting 81.4M Strings/sec 62.9M Strings/sec
Data encryption 42.2 GBytes/sec 32.3 GBytes/sec
Data compression 699.1 MBytes/sec 534.1 MBytes/sec
Physics 2450 Frames/sec 2325 Frames/sec
Extended instructions 51.2B Matrices/sec 40.2B Matrices/sec
Sources: PassMark [3], [4] – 2890 & 846 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen 9 7945HX +33%
472.26
Ryzen 9 7845HX
355.47

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 24.5 PPW 19 PPW
Geekbench 6 Multi / Watt 237.7 PPW 233.8 PPW
Passmark CPU Mark / Watt 718.9 PPW 592.1 PPW
Blender / Watt 6.3 PPW 4.74 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
AMD Ryzen 9 7945HX
DateBenchmarkResult
πŸ“˜ 2025-11-02 (Qwerrty574)Geekbench 6 CPU2949 / 17981
πŸ“˜ 2025-11-02 (Qwerrty574)Cinebench 2024116 / 1901
πŸ“˜ 2025-04-02 (ceratogyrus35)Cinebench 2024114 / 1834
πŸ“˜ 2025-02-18 (Baka)Cinebench 2024112 / 1552
Add View all (4)
AMD Ryzen 9 7845HX
DateBenchmarkResult
πŸ“˜ 2025-06-21 (Sandormen)Cinebench 2024108 / 1036
πŸ“˜ 2025-02-11 (Link196)Cinebench 2024110 / 1424
πŸ“˜ 2025-01-26 (T)Cinebench 2024114 / 1477
Add View all (3)

Specifications

Full technical specification of AMD Ryzen 9 7945HX and Ryzen 9 7845HX

General

Vendor Amd Amd
Released January 4, 2023 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Dragon Range) Zen 4 (Dragon Range)
Model number - 7845HX
Integrated GPU Radeon 610M Radeon 610M
Rival Equivalent - Intel Core i9 13950HX - Intel Core i9 13900HX
Successor - - AMD Ryzen 9 9850HX
AMD Ryzen CPU ranking (24th and 37th place)

CPU

Performance Cores
P-Cores 16 12
P-Threads 32 24
Base Frequency (P) 2.5 GHz 3.0 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.2 GHz
Total
Total Cores 16 12
Total Threads 32 24
Bus Frequency 100 MHz 100 MHz
Multiplier 25x 30x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors 13.1 billions 13.1 billions
Fabrication Process 5 nm 5 nm
TDP (PL1) 55-75 W (configurable) 45-75 W (configurable)
Socket FL1 FL1
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (36th and 60th place)

iGPU

Integrated Graphics Radeon 610M Radeon 610M
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
Ryzen 9 7945HX
0.6 TFLOPS
Ryzen 9 7845HX
0.6 TFLOPS
See: Radeon 610M benchmarks

Memory Support

Memory Types - DDR5-5200 - DDR5-5200
Max. Memory Size 64 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site AMD Ryzen 9 7945HX official page AMD Ryzen 9 7845HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
132 (70.6%)
55 (29.4%)
Total votes: 187

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10. AMD Ryzen 9 7945HX vs AMD Ryzen 9 8945HS
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Comments

So which CPU will you choose: AMD Ryzen 9 7845HX or Ryzen 9 7945HX?
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