AMD Ryzen 9 7940HS vs Ryzen 5 7640HS
60
out of 100
VS
56
out of 100
We compared two laptop CPUs: the 4.0 GHz AMD Ryzen 9 7940HS with 8-cores against the 4.3 GHz Ryzen 5 7640HS with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of AMD Ryzen 9 7940HS
- More powerful Radeon 780M integrated graphics: 4.3 vs 2.7 TFLOPS
- Has 2 more physical cores
- 4% higher Turbo Boost frequency (5.2 GHz vs 5 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#174th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 962.5 MB/sec | 1000 MB/sec |
| Clang compilation | 101.4 Klines/sec | 76.6 Klines/sec |
| HTML 5 Browser | 211.8 pages/sec | 188.1 pages/sec |
| PDF Renderer | 326.9 Mpixels/sec | 254.4 Mpixels/sec |
| Text processing | 260.3 pages/sec | 263.2 pages/sec |
| Background blur | 53.8 images/sec | 52.6 images/sec |
| Photo processing | 87.4 images/sec | 75.4 images/sec |
| Ray tracing | 22.5 Mpixels/sec | 17.3 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 102.1 GOps/sec | 72.3 GOps/sec |
| Floating point math | 62.3 GOps/sec | 44.5 GOps/sec |
| Find prime numbers | 90M Primes/sec | 78M Primes/sec |
| Random string sorting | 42.5M Strings/sec | 31.6M Strings/sec |
| Data encryption | 21.5 GBytes/sec | 15.6 GBytes/sec |
| Data compression | 360.4 MBytes/sec | 263.6 MBytes/sec |
| Physics | 1427 Frames/sec | 1158 Frames/sec |
| Extended instructions | 27.2B Matrices/sec | 20B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 17.3 PPW | 13.7 PPW |
| Geekbench 6 Multi / Watt | 215.4 PPW | 188.8 PPW |
| Passmark CPU Mark / Watt | 551.5 PPW | 419.6 PPW |
| Blender / Watt | 4.18 PPW | 3 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
AMD Ryzen 9 7940HS
| Date | Benchmark | Result |
|---|---|---|
| π 2025-11-09 (chrisg) | Cinebench 2024 | 105 / 873 |
| π 2025-08-19 (Phillywilly2000) | Cinebench 2024 | 102 / 906 |
| π 2025-07-14 (GlancingOcean) | Cinebench 2024 | 70 / 677 |
| π 2025-05-13 (antoooooo) | Cinebench 2024 | 109 / 1009 |
| π 2025-03-08 (沧桷) | Geekbench 6 CPU | 2614 / 12911 |
AMD Ryzen 5 7640HS
| Date | Benchmark | Result |
|---|---|---|
| π 2025-02-23 (Jakabfi Zsolt) | Cinebench 2024 | 102 / 739 |
Specifications
Full technical specification of AMD Ryzen 9 7940HS and Ryzen 5 7640HSGeneral
| Vendor | Amd | Amd |
| Released | January 4, 2023 | January 4, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Zen 4 (Phoenix) | Zen 4 (Phoenix) |
| Integrated GPU | Radeon 780M | Radeon 760M |
| Rival Equivalent | - Intel Core i9 13900H | - Intel Core i5 13420H |
| Successor | - AMD Ryzen AI 9 HX 470 | - AMD Ryzen 5 8640HS |
AMD Ryzen CPU ranking (66th and 87th place)
CPU
| P-Cores | 8 | 6 |
| P-Threads | 16 | 12 |
| Base Frequency (P) | 4.0 GHz | 4.3 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 5 GHz |
| Total Cores | 8 | 6 |
| Total Threads | 16 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 40x | 43x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 1MB (per core) | 1MB (per core) |
| L3 Cache | 16MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Transistors | 25 billions | 25 billions |
| Fabrication Process | 4 nm | 4 nm |
| TDP (PL1) | 35-54 W (configurable) | 35-54 W (configurable) |
| Socket | FP8 | FP8 |
| Peak Temperature | 100Β°C | 100Β°C |
Laptop processors ranking (106th and 144th place)
iGPU
| Integrated Graphics | Radeon 780M | Radeon 760M |
| GPU Base Clock | 800 MHz | 800 MHz |
| GPU Boost Clock | 2800 MHz | 2600 MHz |
| Shading Units | 768 | 512 |
| TMUs | 48 | 32 |
| ROPs | 32 | 16 |
| Execution Units | 12 | 8 |
| TGP | 15 W | 15 W |
iGPU FLOPS
More info: Radeon 760M compared to Radeon 780M
Memory Support
| Memory Types | - DDR5-5600 - LPDDR5x-7500 |
- DDR5-5600 - LPDDR5x-7500 |
| Max. Memory Size | 256 GB | 256 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | AMD Ryzen 9 7940HS official page | AMD Ryzen 5 7640HS official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Further details
Notes on Ryzen 9 7940HS:
- DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
- ECC support is available exclusively on the FP7r2 socket.
Notes on Ryzen 5 7640HS:
- ECC support is available exclusively on the FP7r2 socket.
Cast your vote
Total votes: 34