AMD Ryzen 7 8840HS vs AMD Ryzen 9 7945HX
Compared 2 processors: AMD Ryzen 7 8840HS, vs AMD Ryzen 9 7945HX. Below are specs, tests, pros and cons for each device
Review
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
Tests & specs
Specs & test comparisonBenchmarks
| Integer Math | 90.5 GOps/s | 209.3 GOps/s |
| Floating-Point Math | 52.3 GOps/s | 124.6 GOps/s |
| Prime Number Search | 78 M primes/s | 286 M primes/s |
| Random String Sort | 34.7 M strings/s | 81.9 M strings/s |
| Data Encryption | 17.5 GB/s | 43.1 GB/s |
| Data Compression | 288.2 MB/s | 714 MB/s |
| Physics | 1132 frames/s | 2497 frames/s |
| Extended Instructions | 202 M matrices/s | 524 M matrices/s |
| File Compression | 714.9 MB/s | 1290 MB/s |
| Clang Compilation | 87.9 KLines/s | 194.3 KLines/s |
| HTML5 Browser | 182.5 pages/s | 247.1 pages/s |
| PDF Rendering | 280.1 MP/sec | 430.6 MP/sec |
| Text Processing | 271.4 pages/s | 280.3 pages/s |
| Background Blur | 44.8 frames/s | 61.1 frames/s |
| Photo Processing | 70.1 frames/s | 94.7 frames/s |
| Ray Tracing | 19.2 MP/sec | 44.4 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 321.8 PPW | 212.3 PPW |
| PassMark CPU / W | 822.6 PPW | 732.4 PPW |
| Cinebench 2024 / W | 22.6 PPW | 22.9 PPW |
| Blender / W | 5.59 PPW | 6.3 PPW |
General Info
| Manufacturer | AMD | AMD |
| Announced | December, 6, 2023 | January, 4, 2023 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 4 (Hawk Point) | Zen 4 (Dragon Range) |
| Integrated GPU | Radeon 780M | Radeon 610M |
Processor
| Cores | 8 | 16 |
| Threads | 16 | 32 |
| Frequency | 3.3 GHz | 2.5 GHz |
| Max Frequency (Turbo) | 5.1 GHz | 5.4 GHz |
| Cores count | 8 | 16 |
| Threads count | 16 | 32 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 33x | 25x |
| L1 cache | 64 KB/core | 64 KB/core |
| L2 cache | 1000 KB/core | 1000 KB/core |
| L3 Cache | 16 MB total | 64 MB total |
| Unlocked multiplier | No | Yes |
Package
| Transistor count | 25 billion | 13.1 billion |
| Process tech. | 4 nm | 5 nm |
| Power (TDP) | 20-30 W | 55-75 W |
| Socket | FP8 | FL1 |
| Critical temp. | 100 °C | 100 °C |
Memory Support
| Memory Type | - DDR5-5600 - LPDDR5x-7500 |
DDR5-5200 |
| Max Size | 256 GB | 64 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 4.0 | 5.0 |
| Max PCIe Lanes | 20 | 28 |
Results
After analyzing the data, we consider AMD Ryzen 9 7945HX the clear winner in this comparison.
Survey
Total Votes: 1