AMD Ryzen 7 7840HS vs Ryzen 5 7640HS
We compared two laptop CPUs: the 3.8 GHz AMD Ryzen 7 7840HS 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
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of AMD Ryzen 7 7840HS
- Has 2 more physical cores
- 2% higher Turbo Boost frequency (5.1 GHz vs 5 GHz)
Promotion
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench R23
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1170 MB/sec | 1010.8 MB/sec |
| Clang compilation | 97.3 Klines/sec | 74.1 Klines/sec |
| HTML 5 Browser | 236.7 pages/sec | 193 pages/sec |
| PDF Renderer | 363 Mpixels/sec | 259.5 Mpixels/sec |
| Text processing | 242.3 pages/sec | 234.5 pages/sec |
| Background blur | 57.1 images/sec | 51.8 images/sec |
| Photo processing | 98.8 images/sec | 78.3 images/sec |
| Ray tracing | 21.5 Mpixels/sec | 16.7 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 102.1 GOps/sec | 77.4 GOps/sec |
| Floating point math | 62.5 GOps/sec | 47.5 GOps/sec |
| Find prime numbers | 86M Primes/sec | 83M Primes/sec |
| Random string sorting | 41.6M Strings/sec | 31.2M Strings/sec |
| Data encryption | 21.5 GBytes/sec | 16.7 GBytes/sec |
| Data compression | 360.8 MBytes/sec | 281 MBytes/sec |
| Physics | 1350 Frames/sec | 1252 Frames/sec |
| Extended instructions | 27B Matrices/sec | 21.3B Matrices/sec |
Specifications
Full technical specification of AMD Ryzen 7 7840HS 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 |
CPU
| P-Cores | 8 | 6 |
| P-Threads | 16 | 12 |
| Base Frequency (P) | 3.8 GHz | 4.3 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 5 GHz |
| Total Cores | 8 | 6 |
| Total Threads | 16 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 38x | 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 | 100°C | 100°C |
iGPU
| Integrated Graphics | Radeon 780M | Radeon 760M |
| GPU Base Clock | 1500 MHz | 1500 MHz |
| GPU Boost Clock | 2700 MHz | 2600 MHz |
| Shading Units | 768 | 384 |
| TMUs | 48 | 24 |
| ROPs | 32 | 16 |
| Execution Units | 12 | 6 |
| TGP | 15 W | 15 W |
| Max. Resolution | 7680x4320 - 60 Hz | - |
iGPU FLOPS
Memory Support
| Memory types | - DDR5-5600 - LPDDR5x-7500 |
- DDR5-5600 - LPDDR5x-7500 |
| Memory Size | 256 GB | 256 GB |
| Max. Memory Channels | 2 | 2 |
| ECC Support | Yes | Yes |
Misc
| Official site | AMD Ryzen 7 7840HS official page | AMD Ryzen 5 7640HS official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 119