AMD Ryzen 9 7940HS vs Ryzen 9 5900HX
60
out of 100
VS
48
out of 100
We compared two 8-core laptop CPUs: the 4.0 GHz AMD Ryzen 9 7940HS against the 3.3 GHz Ryzen 9 5900HX. 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
- Supports up to 256 GB DDR5-5600 RAM
- More powerful Radeon 780M integrated graphics: 4.3 vs 2.2 TFLOPS
- More modern manufacturing process β 4 versus 7 nanometers
- Newer - released 2 years later
- Newer PCI Express version β 4.0
- 22% faster in a single-core Geekbench v6 test - 2469 vs 2027 points
- 13% higher Turbo Boost frequency (5.2 GHz vs 4.6 GHz)
Advantages of AMD Ryzen 9 5900HX
- Unlocked multiplier
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 | 734.8 MB/sec |
| Clang compilation | 101.4 Klines/sec | 69 Klines/sec |
| HTML 5 Browser | 211.8 pages/sec | 145.5 pages/sec |
| PDF Renderer | 326.9 Mpixels/sec | 256.9 Mpixels/sec |
| Text processing | 260.3 pages/sec | 206.4 pages/sec |
| Background blur | 53.8 images/sec | 40.2 images/sec |
| Photo processing | 87.4 images/sec | 61 images/sec |
| Ray tracing | 22.5 Mpixels/sec | 17.1 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 102.1 GOps/sec | 85.1 GOps/sec |
| Floating point math | 62.3 GOps/sec | 47 GOps/sec |
| Find prime numbers | 90M Primes/sec | 52M Primes/sec |
| Random string sorting | 42.5M Strings/sec | 29.7M Strings/sec |
| Data encryption | 21.5 GBytes/sec | 17.9 GBytes/sec |
| Data compression | 360.4 MBytes/sec | 284.2 MBytes/sec |
| Physics | 1427 Frames/sec | 894 Frames/sec |
| Extended instructions | 27.2B Matrices/sec | 19.3B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 17.3 PPW | 12.9 PPW |
| Geekbench 6 Multi / Watt | 215.4 PPW | 157.5 PPW |
| Passmark CPU Mark / Watt | 551.5 PPW | 407.4 PPW |
| Blender / Watt | 4.18 PPW | 3.28 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 9 5900HX
No benchmark results yet
Specifications
Full technical specification of AMD Ryzen 9 7940HS and Ryzen 9 5900HXGeneral
| Vendor | Amd | Amd |
| Released | January 4, 2023 | January 12, 2021 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Zen 4 (Phoenix) | Zen 3 (Cezanne) |
| Integrated GPU | Radeon 780M | Radeon RX Vega 8 |
| Rival Equivalent | - Intel Core i9 13900H | - Intel Core i9 11980HK |
| Successor | - AMD Ryzen AI 9 HX 470 | - AMD Ryzen 9 9850HX |
AMD Ryzen CPU ranking (66th and 123rd place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 16 | 16 |
| Base Frequency (P) | 4.0 GHz | 3.3 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 4.6 GHz |
| Total Cores | 8 | 8 |
| Total Threads | 16 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 40x | 33x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 1MB (per core) | 512K (per core) |
| L3 Cache | 16MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | Yes |
Package
| Transistors | 25 billions | - |
| Fabrication Process | 4 nm | 7 nm |
| TDP (PL1) | 35-54 W (configurable) | 35-54 W (configurable) |
| Socket | FP8 | FP6 |
| Peak Temperature | 100Β°C | 105Β°C |
Laptop processors ranking (#106th place)
iGPU
| Integrated Graphics | Radeon 780M | Radeon RX Vega 8 |
| GPU Base Clock | 800 MHz | 300 MHz |
| GPU Boost Clock | 2800 MHz | 2100 MHz |
| Shading Units | 768 | 512 |
| TMUs | 48 | 32 |
| ROPs | 32 | 8 |
| Execution Units | 12 | 8 |
| TGP | 15 W | 25 W |
iGPU FLOPS
More info: Radeon RX Vega 8 compared to Radeon 780M
Memory Support
| Memory Types | - DDR5-5600 - LPDDR5x-7500 |
- DDR4-3200 - LPDDR4-4266 |
| Max. Memory Size | 256 GB | 64 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 68.27 GB/s |
| ECC Support | No | Yes |
Misc
| Official Site | AMD Ryzen 9 7940HS official page | AMD Ryzen 9 5900HX official page |
| PCI Express Version | 4.0 | 3.0 |
| PCI Express Lanes | 20 | 16 |
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.
Cast your vote
Total votes: 48