Home > CPU Comparison > Ryzen 7 7745HX or Ryzen 5 7645HX: what's better?

AMD Ryzen 7 7745HX vs Ryzen 5 7645HX

61 out of 100
AMD Ryzen 7 7745HX
VS
58 out of 100
AMD Ryzen 5 7645HX
AMD Ryzen 7 7745HX
AMD Ryzen 5 7645HX

We compared two laptop CPUs: the 3.6 GHz AMD Ryzen 7 7745HX with 8-cores against the 4.0 GHz Ryzen 5 7645HX with 6-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.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 7645HX and 7745HX
Advantages of AMD Ryzen 7 7745HX
  • Has 2 more physical cores
  • 2% higher Turbo Boost frequency (5.1 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 7 7745HX
vs
Ryzen 5 7645HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#140th 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 7 7745HX +14%
13662
Ryzen 5 7645HX
11962
File compression 1360 MB/sec 1290 MB/sec
Clang compilation 118.1 Klines/sec 88.4 Klines/sec
HTML 5 Browser 241.9 pages/sec 227.9 pages/sec
PDF Renderer 385.6 Mpixels/sec 289.8 Mpixels/sec
Text processing 284.5 pages/sec 279.4 pages/sec
Background blur 64 images/sec 57.5 images/sec
Photo processing 88.8 images/sec 87.6 images/sec
Ray tracing 25.4 Mpixels/sec 18.6 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 709 & 8 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Ryzen 7 7745HX +26%
32315
Ryzen 5 7645HX
25677
Integer math 104.5 GOps/sec 75.7 GOps/sec
Floating point math 63.7 GOps/sec 46.6 GOps/sec
Find prime numbers 156M Primes/sec 176M Primes/sec
Random string sorting 44.6M Strings/sec 35.1M Strings/sec
Data encryption 22.7 GBytes/sec 17.2 GBytes/sec
Data compression 378.7 MBytes/sec 288 MBytes/sec
Physics 1688 Frames/sec 1524 Frames/sec
Extended instructions 28.6B Matrices/sec 21.7B Matrices/sec
Sources: PassMark [3], [4] โ€“ 422 & 15 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.2 PPW 10.1 PPW
Geekbench 6 Multi / Watt 182.2 PPW 159.5 PPW
Passmark CPU Mark / Watt 430.9 PPW 342.4 PPW
Blender / Watt 3.25 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 7 7745HX
DateBenchmarkResult
๐Ÿ“˜ 2026-09-22 -> DrmatorCinebench 2026599 / 4170
๐Ÿ“˜ 2026-09-22 -> DrmatorGeekbench 7 CPU2533 / 15079
๐Ÿ“˜ 2026-09-22 -> DrmatorGeekbench 6 CPU2835 / 13957
Add View all (3)
AMD Ryzen 5 7645HX
No benchmark results yet
Add

Specifications

Full technical specification of AMD Ryzen 7 7745HX and Ryzen 5 7645HX

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)
Integrated GPU Radeon 610M Radeon 610M
Rival Equivalent - Intel Core i7 13650HX - Intel Core i5 13500HX
AMD Ryzen CPU ranking (63rd and 77th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 3.6 GHz 4.0 GHz
Turbo Boost Frequency (P) 5.1 GHz 5 GHz
Total
Total Cores 8 6
Total Threads 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 36x 40x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 32MB (shared) 32MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors 13.1 billions 13.1 billions
Fabrication Process 5 nm 5 nm
TDP (PL1) 45-75 W (configurable) 45-75 W (configurable)
Socket FL1 FL1
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (94th and 122nd 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 7 7745HX
0.6 TFLOPS
Ryzen 5 7645HX
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 7 7745HX official page AMD Ryzen 5 7645HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
10 (76.9%)
3 (23.1%)
Total votes: 13

Competitors

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3. AMD Ryzen 7 7745HX vs Intel Core i7 13700HX
4. AMD Ryzen 7 7745HX vs AMD Ryzen 7 8845HS
5. AMD Ryzen 7 7745HX vs AMD Ryzen 7 7840HS (5)
6. AMD Ryzen 7 7745HX vs Intel Core i9 13900HX
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Comments

So which CPU will you choose: AMD Ryzen 5 7645HX or Ryzen 7 7745HX?
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