Intel Core Ultra 5 135H vs AMD Ryzen 5 8645HS
We compared two laptop CPUs: the 1.7 GHz Intel Core Ultra 5 135H with 14-cores against the 4.3 GHz AMD Ryzen 5 8645HS 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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Intel Core Ultra 5 135H
- Has 8 more physical cores
- More powerful Arc Graphics (8-Cores) integrated graphics: 4.5 vs 2.7 TFLOPS
- Newer PCI Express version β 5.0
- More than 10Β° C higher critical temperature
Advantages of AMD Ryzen 5 8645HS
- Supports up to 256 GB DDR5-5600 RAM
- More modern manufacturing process β 4 versus 7 nanometers
- 22% faster in a single-core Geekbench v6 test - 2668 vs 2194 points
- 9% higher Turbo Boost frequency (5 GHz vs 4.6 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1130 MB/sec | 1150 MB/sec |
| Clang compilation | 86.4 Klines/sec | 84.9 Klines/sec |
| HTML 5 Browser | 290.2 pages/sec | 211.2 pages/sec |
| PDF Renderer | 345.4 Mpixels/sec | 282.9 Mpixels/sec |
| Text processing | 247 pages/sec | 282.9 pages/sec |
| Background blur | 48.6 images/sec | 58.6 images/sec |
| Photo processing | 110 images/sec | 83.3 images/sec |
| Ray tracing | 17.8 Mpixels/sec | 18.4 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 72.8 GOps/sec | 70.5 GOps/sec |
| Floating point math | 54 GOps/sec | 43.6 GOps/sec |
| Find prime numbers | 89M Primes/sec | 73M Primes/sec |
| Random string sorting | 28.1M Strings/sec | 31.1M Strings/sec |
| Data encryption | 14.7 GBytes/sec | 15.2 GBytes/sec |
| Data compression | 246 MBytes/sec | 257.4 MBytes/sec |
| Physics | 1441 Frames/sec | 1075 Frames/sec |
| Extended instructions | 14.6B Matrices/sec | 19.5B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 28.2 PPW | 13.5 PPW |
| Geekbench 6 Multi / Watt | 375.6 PPW | 207.7 PPW |
| Passmark CPU Mark / Watt | 783.9 PPW | 406.8 PPW |
| Blender / Watt | 2.44 PPW | 2.74 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 5 135H
No benchmark results yet
AMD Ryzen 5 8645HS
| Date | Benchmark | Result |
|---|---|---|
| π 2026-04-04 (supergo0se) | Geekbench 6 CPU | 2540 / 10607 |
| π 2025-08-04 (ZubairIbnZamir) | Cinebench 2024 | 89 / 680 |
| π 2025-08-03 (ZubairIbnZamir) | Geekbench 6 CPU | 2477 / 10355 |
| π 2025-01-13 (sauron269) | Cinebench 2024 | 104 / 676 |
| π 2024-12-28 (darseen) | Cinebench 2024 | 103 / 727 |
Specifications
Full technical specification of Intel Core Ultra 5 135H and AMD Ryzen 5 8645HSGeneral
| Vendor | Intel | Amd |
| Released | December 14, 2023 | December 6, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Meteor Lake | Zen 4 (Hawk Point) |
| Model number | 135H | - |
| Integrated GPU | Arc Graphics (8-Cores) | Radeon 760M |
| Rival Equivalent | - AMD Ryzen 5 8645HS | - Intel Core Ultra 7 155H |
| Successor | - Intel Core Ultra 5 235H | - |
Intel CPU rating (#131st place)
AMD Ryzen CPU ranking (#76th place)
CPU
| P-Cores | 4 | 6 |
| P-Threads | 8 | 12 |
| Base Frequency (P) | 1.7 GHz | 4.3 GHz |
| Turbo Boost Frequency (P) | 4.6 GHz | 5 GHz |
| E-Cores | 10 | - |
| E-Threads | 10 | - |
| Base Frequency (E) | 1.2 GHz | - |
| Turbo Boost Frequency (E) | 3.6 GHz | - |
| Total Cores | 14 | 6 |
| Total Threads | 18 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 43x |
| L1 Cache | 112K (per core) | 64K (per core) |
| L2 Cache | 2MB (per core) | 1MB (per core) |
| L3 Cache | 18MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Transistors | - | 25 billions |
| Fabrication Process | 7 nm | 4 nm |
| TDP (PL1) | 20-28 W (configurable) | 35-54 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | - |
| Socket | FCBGA-2049 | FP8 |
| Peak Temperature | 110Β°C | 100Β°C |
Laptop processors ranking (168th and 121st place)
iGPU
| Integrated Graphics | Arc Graphics (8-Cores) | Radeon 760M |
| GPU Base Clock | 300 MHz | 800 MHz |
| GPU Boost Clock | 2200 MHz | 2600 MHz |
| Shading Units | 1024 | 512 |
| TMUs | 64 | 32 |
| ROPs | 32 | 16 |
| Execution Units | 128 | 8 |
| TGP | 28 W | 15 W |
iGPU FLOPS
More info: Radeon 760M compared to Arc iGPU (8-Cores)
Memory Support
| Memory Types | - LPDDR5-7467 - LPDDR5x-7467 - DDR5-5600 |
- DDR5-5600 - LPDDR5x-7500 |
| Max. Memory Size | 96 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 89.6 GB/s | - |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra 5 135H official page | AMD Ryzen 5 8645HS official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 28 | 20 |
Cast your vote
Total votes: 8