Intel Core Ultra 7 155H vs AMD Ryzen 7 7840HS
57
out of 100
VS
61
out of 100
We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 3.8 GHz AMD Ryzen 7 7840HS with 8-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 7 155H
- Has 8 more physical cores
- Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Newer - released 1 year later
- Newer PCI Express version β 5.0
- More than 10Β° C higher critical temperature
Advantages of AMD Ryzen 7 7840HS
- Supports up to 256 GB DDR5-5600 RAM
- More modern manufacturing process β 4 versus 7 nanometers
- 6% higher Turbo Boost frequency (5.1 GHz vs 4.8 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 544 | - |
| Cinebench 2026 (Multi) | 3749 | - |
Cinebench Scores (165th and 182nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1220 MB/sec | 1120 MB/sec |
| Clang compilation | 100.8 Klines/sec | 102.5 Klines/sec |
| HTML 5 Browser | 270.5 pages/sec | 217.2 pages/sec |
| PDF Renderer | 356.1 Mpixels/sec | 350 Mpixels/sec |
| Text processing | 243.4 pages/sec | 251.8 pages/sec |
| Background blur | 49.2 images/sec | 59.4 images/sec |
| Photo processing | 117.2 images/sec | 87.6 images/sec |
| Ray tracing | 19.4 Mpixels/sec | 22.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 85.8 GOps/sec | 97.1 GOps/sec |
| Floating point math | 62.5 GOps/sec | 59 GOps/sec |
| Find prime numbers | 113M Primes/sec | 87M Primes/sec |
| Random string sorting | 31.6M Strings/sec | 40.4M Strings/sec |
| Data encryption | 16.1 GBytes/sec | 20.3 GBytes/sec |
| Data compression | 273.8 MBytes/sec | 340.4 MBytes/sec |
| Physics | 1701 Frames/sec | 1362 Frames/sec |
| Extended instructions | 16.2B Matrices/sec | 25.4B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 14.7 PPW | 16.9 PPW |
| Geekbench 6 Multi / Watt | 192.5 PPW | 223.8 PPW |
| Passmark CPU Mark / Watt | 377.1 PPW | 523.9 PPW |
| Blender / Watt | 2.65 PPW | 4.05 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 155H
| Date | Benchmark | Result |
|---|---|---|
| π 2026-02-22 (Alex Paulino) | Cinebench 2026 | 544 / 3749 |
| π 2026-01-15 (Ak-Dev) | Geekbench 6 CPU | 2347 / 12862 |
| π 2025-11-08 (Anuj) | Geekbench 6 CPU | 2248 / 12118 |
| π 2025-07-25 (Aya) | Cinebench 2024 | 85 / 943 |
| π 2025-06-25 (Tarekcoupe) | Cinebench 2024 | 96 / 930 |
AMD Ryzen 7 7840HS
| Date | Benchmark | Result |
|---|---|---|
| π 2025-12-08 (Hari) | Cinebench 2024 | 104 / 880 |
| π 2025-07-31 (Safi ullah) | Cinebench 2024 | 102 / 911 |
| π 2025-06-10 (Johns) | Cinebench 2024 | 105 / 929 |
| π 2025-04-05 (KaniastyGucio) | Cinebench 2024 | 100 / 910 |
| π 2024-12-09 (Anand) | Cinebench 2024 | 72 / 719 |
Specifications
Full technical specification of Intel Core Ultra 7 155H and AMD Ryzen 7 7840HSGeneral
| Vendor | Intel | Amd |
| Released | December 14, 2023 | January 4, 2023 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Meteor Lake | Zen 4 (Phoenix) |
| Model number | 155H | - |
| Integrated GPU | Arc Graphics (8-Cores) | Radeon 780M |
| Rival Equivalent | - AMD Ryzen 7 8840HS | - Intel Core i7 13620H |
| Successor | - Intel Core Ultra 7 255H | - AMD Ryzen 7 8840HS |
Intel CPU rating (#99th place)
AMD Ryzen CPU ranking (#62nd place)
CPU
| P-Cores | 6 | 8 |
| P-Threads | 12 | 16 |
| Base Frequency (P) | 1.4 GHz | 3.8 GHz |
| Turbo Boost Frequency (P) | 4.8 GHz | 5.1 GHz |
| E-Cores | 10 | - |
| E-Threads | 10 | - |
| Base Frequency (E) | 0.9 GHz | - |
| Turbo Boost Frequency (E) | 3.8 GHz | - |
| Total Cores | 16 | 8 |
| Total Threads | 22 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 14x | 38x |
| L1 Cache | 112K (per core) | 64K (per core) |
| L2 Cache | 2MB (per core) | 1MB (per core) |
| L3 Cache | 24MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Transistors | - | 25 billions |
| Fabrication Process | 7 nm | 4 nm |
| TDP (PL1) | 20-65 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 (128th and 93rd place)
iGPU
| Integrated Graphics | Arc Graphics (8-Cores) | Radeon 780M |
| GPU Base Clock | 300 MHz | 800 MHz |
| GPU Boost Clock | 2250 MHz | 2700 MHz |
| Shading Units | 1024 | 768 |
| TMUs | 64 | 48 |
| ROPs | 32 | 32 |
| Execution Units | 128 | 12 |
| TGP | 28 W | 15 W |
iGPU FLOPS
More info: Radeon 780M 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 | Yes |
Misc
| Official Site | Intel Core Ultra 7 155H official page | AMD Ryzen 7 7840HS official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 28 | 20 |
Further details
Notes on Ryzen 7 7840HS:
- DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
- ECC support is available exclusively on the FP7r2 socket.
Cast your vote
Total votes: 472
