AMD Ryzen 9 7940HS vs Ryzen 9 7845HX
60
out of 100
VS
69
out of 100
We compared two laptop CPUs: the 4.0 GHz AMD Ryzen 9 7940HS with 8-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.
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 0.6 TFLOPS
- Supports up to 256 GB DDR5-5600 RAM
- More modern manufacturing process β 4 versus 5 nanometers
Advantages of AMD Ryzen 9 7845HX
- Has 48 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Unlocked multiplier
- Has 4 more physical cores
- Newer PCI Express version β 5.0
- 25% faster in a single-core Geekbench v6 test - 3076 vs 2469 points
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (174th and 79th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 962.5 MB/sec | 1510 MB/sec |
| Clang compilation | 101.4 Klines/sec | 187.5 Klines/sec |
| HTML 5 Browser | 211.8 pages/sec | 293.3 pages/sec |
| PDF Renderer | 326.9 Mpixels/sec | 473.4 Mpixels/sec |
| Text processing | 260.3 pages/sec | 322.5 pages/sec |
| Background blur | 53.8 images/sec | 71.1 images/sec |
| Photo processing | 87.4 images/sec | 100.1 images/sec |
| Ray tracing | 22.5 Mpixels/sec | 43.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 102.1 GOps/sec | 152.9 GOps/sec |
| Floating point math | 62.3 GOps/sec | 92.9 GOps/sec |
| Find prime numbers | 90M Primes/sec | 327M Primes/sec |
| Random string sorting | 42.5M Strings/sec | 62.9M Strings/sec |
| Data encryption | 21.5 GBytes/sec | 32.3 GBytes/sec |
| Data compression | 360.4 MBytes/sec | 534.1 MBytes/sec |
| Physics | 1427 Frames/sec | 2325 Frames/sec |
| Extended instructions | 27.2B Matrices/sec | 40.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 17.3 PPW | 19 PPW |
| Geekbench 6 Multi / Watt | 215.4 PPW | 233.8 PPW |
| Passmark CPU Mark / Watt | 551.5 PPW | 592.1 PPW |
| Blender / Watt | 4.18 PPW | 4.74 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 7845HX
| Date | Benchmark | Result |
|---|---|---|
| π 2025-06-21 (Sandormen) | Cinebench 2024 | 108 / 1036 |
| π 2025-02-11 (Link196) | Cinebench 2024 | 110 / 1424 |
| π 2025-01-26 (T) | Cinebench 2024 | 114 / 1477 |
Specifications
Full technical specification of AMD Ryzen 9 7940HS and Ryzen 9 7845HXGeneral
| 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 (Dragon Range) |
| Model number | - | 7845HX |
| Integrated GPU | Radeon 780M | Radeon 610M |
| Rival Equivalent | - Intel Core i9 13900H | - Intel Core i9 13900HX |
| Successor | - AMD Ryzen AI 9 HX 470 | - AMD Ryzen 9 9850HX |
AMD Ryzen CPU ranking (66th and 37th place)
CPU
| P-Cores | 8 | 12 |
| P-Threads | 16 | 24 |
| Base Frequency (P) | 4.0 GHz | 3.0 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz | 5.2 GHz |
| Total Cores | 8 | 12 |
| Total Threads | 16 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 40x | 30x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 1MB (per core) | 1MB (per core) |
| L3 Cache | 16MB (shared) | 64MB (shared) |
| Unlocked Multiplier | No | Yes |
Package
| Transistors | 25 billions | 13.1 billions |
| Fabrication Process | 4 nm | 5 nm |
| TDP (PL1) | 35-54 W (configurable) | 45-75 W (configurable) |
| Socket | FP8 | FL1 |
| Peak Temperature | 100Β°C | 100Β°C |
Laptop processors ranking (106th and 60th place)
iGPU
| Integrated Graphics | Radeon 780M | Radeon 610M |
| GPU Base Clock | 800 MHz | 400 MHz |
| GPU Boost Clock | 2800 MHz | 2200 MHz |
| Shading Units | 768 | 128 |
| TMUs | 48 | 8 |
| ROPs | 32 | 4 |
| Execution Units | 12 | 2 |
| TGP | 15 W | 15 W |
iGPU FLOPS
More info: Radeon 610M compared to Radeon 780M
Memory Support
| Memory Types | - DDR5-5600 - LPDDR5x-7500 |
- DDR5-5200 |
| Max. Memory Size | 256 GB | 64 GB |
| Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official Site | AMD Ryzen 9 7940HS official page | AMD Ryzen 9 7845HX official page |
| PCI Express Version | 4.0 | 5.0 |
| PCI Express Lanes | 20 | 28 |
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: 74