AMD Ryzen 5 8645HS vs AMD Ryzen 7 170
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Compared 2 processors: AMD Ryzen 5 8645HS, vs AMD Ryzen 7 170. 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 | 72.9 GOps/s | 83 GOps/s |
| Floating-Point Math | 45 GOps/s | 46.7 GOps/s |
| Prime Number Search | 76 M primes/s | 54 M primes/s |
| Random String Sort | 31.7 M strings/s | 28.9 M strings/s |
| Data Encryption | 15.6 GB/s | 17.2 GB/s |
| Data Compression | 266.4 MB/s | 279.2 MB/s |
| Physics | 1111 frames/s | 952 frames/s |
| Extended Instructions | 201 M matrices/s | 188 M matrices/s |
| File Compression | 1150 MB/s | 955 MB/s |
| Clang Compilation | 84.9 KLines/s | 73.5 KLines/s |
| HTML5 Browser | 211.2 pages/s | 216.2 pages/s |
| PDF Rendering | 282.9 MP/sec | 302.6 MP/sec |
| Text Processing | 282.9 pages/s | 202.8 pages/s |
| Background Blur | 58.6 frames/s | 48.6 frames/s |
| Photo Processing | 83.3 frames/s | 84.5 frames/s |
| Ray Tracing | 18.4 MP/sec | 18.4 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 207.7 PPW | 187.5 PPW |
| PassMark CPU / W | 420.3 PPW | 404.6 PPW |
| Cinebench 2024 / W | 13.5 PPW | 13.3 PPW |
| Blender / W | 2.74 PPW | 3.16 PPW |
General Info
| Manufacturer | AMD | AMD |
| Announced | December, 6, 2023 | October, 1, 2025 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 4 (Hawk Point) | Zen 3+ (Rembrandt) |
| Integrated GPU | Radeon 760M | Radeon 680M |
Processor
| Cores | 6 | 8 |
| Threads | 12 | 16 |
| Frequency | 4.3 GHz | 3.2 GHz |
| Max Frequency (Turbo) | 5 GHz | 4.75 GHz |
| Cores count | 6 | 8 |
| Threads count | 12 | 16 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 43x | 32x |
| L1 cache | 64 KB/core | 64 KB/core |
| L2 cache | 1000 KB/core | 512 KB/core |
| L3 Cache | 16 MB total | 16 MB total |
| Unlocked multiplier | No | No |
Package
| Transistor count | 25 billion | n/a |
| Process tech. | 4 nm | 6 nm |
| Power (TDP) | 35-54 W | 35-54 W |
| Socket | FP8 | FP7 |
| Critical temp. | 100 °C | 95 °C |
Memory Support
| Memory Type | - DDR5-5600 - LPDDR5x-7500 |
- DDR5-4800 - LPDDR5-6400 |
| Max Size | 256 GB | 64 GB |
| Channels | 2 | 2 |
| ECC support | No | Yes |
| Max memory bandwidth | n/a | 76.8 GB |
Other
| PCIe Version | 4.0 | 4.0 |
| Max PCIe Lanes | 20 | 20 |
| Tech | n/a | - Compute: BMI1, BMI2, F16C, SHA - Performance: Precision Boost 2, SMT - Virtualization: AMD-V - Security: EVP, NX-Bit, SMAP, SMEP |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
