AMD Ryzen 7 7745HX vs AMD Ryzen 7 H 255
63
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62
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Compared 2 processors: AMD Ryzen 7 7745HX, vs AMD Ryzen 7 H 255. 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 | 106 GOps/s | 97.5 GOps/s |
| Floating-Point Math | 64.4 GOps/s | 59.7 GOps/s |
| Prime Number Search | 157 M primes/s | 88 M primes/s |
| Random String Sort | 44.4 M strings/s | 42.5 M strings/s |
| Data Encryption | 23.1 GB/s | 20.6 GB/s |
| Data Compression | 385.1 MB/s | 349.6 MB/s |
| Physics | 1696 frames/s | 1391 frames/s |
| Extended Instructions | 291 M matrices/s | 259 M matrices/s |
| File Compression | 1360 MB/s | 1020 MB/s |
| Clang Compilation | 118.1 KLines/s | 99.8 KLines/s |
| HTML5 Browser | 241.9 pages/s | 255.5 pages/s |
| PDF Rendering | 385.6 MP/sec | 378.2 MP/sec |
| Text Processing | 284.5 pages/s | 259.2 pages/s |
| Background Blur | 64 frames/s | 61.1 frames/s |
| Photo Processing | 88.8 frames/s | 99.7 frames/s |
| Ray Tracing | 25.4 MP/sec | 21.5 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 182.2 PPW | 234.6 PPW |
| PassMark CPU / W | 435.3 PPW | 532.9 PPW |
| Cinebench 2024 / W | 14.2 PPW | 17.1 PPW |
| Blender / W | 3.25 PPW | 4.1 PPW |
General Info
| Manufacturer | AMD | AMD |
| Announced | January, 4, 2023 | August, 4, 2025 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 4 (Dragon Range) | Zen 4 (Hawk Point) |
| Integrated GPU | Radeon 610M | Radeon 780M |
Processor
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Frequency | 3.6 GHz | 3.8 GHz |
| Max Frequency (Turbo) | 5.1 GHz | 4.9 GHz |
| Cores count | 8 | 8 |
| Threads count | 16 | 16 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 36x | 38x |
| L1 cache | 64 KB/core | 64 KB/core |
| L2 cache | 1000 KB/core | 1000 KB/core |
| L3 Cache | 32 MB total | 16 MB total |
| Unlocked multiplier | Yes | No |
Package
| Transistor count | 13.1 billion | 25 billion |
| Process tech. | 5 nm | 4 nm |
| Power (TDP) | 45-75 W | 35-54 W |
| Socket | FL1 | FP8 |
| Critical temp. | 100 °C | 100 °C |
Memory Support
| Memory Type | DDR5-5200 | - DDR5-5600 - LPDDR5x-7500 |
| Max Size | 64 GB | 256 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 5.0 | 4.0 |
| Max PCIe Lanes | 28 | 20 |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 2
