Intel Core Ultra 7 155H vs AMD Ryzen 7 7840U
We compared two laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H with 16-cores against the 3.3 GHz AMD Ryzen 7 7840U 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
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of Intel Core Ultra 7 155H
- Newer - released 7 months later
- Has 8 more physical cores
- Has 8192 KB larger L3 cache size
- Newer PCI Express version – 5.0
- More than 10° C higher critical temperature
Advantages of AMD Ryzen 7 7840U
- Supports up to 256 GB DDR5-5600 RAM
- More modern manufacturing process – 4 versus 7 nanometers
- More powerful Radeon 780M integrated graphics: 4.14 vs 2.88 TFLOPS
- 6% higher Turbo Boost frequency (5.1 GHz vs 4.8 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench R23
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Cinebench R23 Scores (115th and 146th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1270 MB/sec | 1140 MB/sec |
| Clang compilation | 98.8 Klines/sec | 98.6 Klines/sec |
| HTML 5 Browser | 274.6 pages/sec | 226 pages/sec |
| PDF Renderer | 369.9 Mpixels/sec | 324.6 Mpixels/sec |
| Text processing | 236.9 pages/sec | 244.9 pages/sec |
| Background blur | 48.4 images/sec | 34.9 images/sec |
| Photo processing | 109.6 images/sec | 87.5 images/sec |
| Ray tracing | 19.7 Mpixels/sec | 21.4 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 88.7 GOps/sec | 92.4 GOps/sec |
| Floating point math | 64.8 GOps/sec | 52.7 GOps/sec |
| Find prime numbers | 116M Primes/sec | 81M Primes/sec |
| Random string sorting | 30.3M Strings/sec | 33.1M Strings/sec |
| Data encryption | 16.6 GBytes/sec | 17.8 GBytes/sec |
| Data compression | 277.2 MBytes/sec | 292.3 MBytes/sec |
| Physics | 1801 Frames/sec | 1256 Frames/sec |
| Extended instructions | 16.2B Matrices/sec | 20.7B Matrices/sec |
Promotion
Specifications
Full technical specification of Intel Core Ultra 7 155H and AMD Ryzen 7 7840UGeneral
| Vendor | Intel | Amd |
| Released | December 14, 2023 | May 3, 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 |
Laptop processors ranking (47th and 42nd place)
CPU
| P-Cores | 6 | 8 |
| P-Threads | 12 | 16 |
| Base Frequency (P) | 1.4 GHz | 3.3 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 | 33x |
| 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) | 15-30 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | - |
| Socket | FCBGA-2049 | FP8 |
| Peak temperature | 110°C | 100°C |
iGPU
| Integrated Graphics | Arc Graphics (8-Cores) | Radeon 780M |
| GPU Base Clock | - | 800 MHz |
| GPU Boost Clock | 2250 MHz | 2700 MHz |
| Shading Units | 128 | 768 |
| TMUs | 8 | 48 |
| ROPs | 4 | 32 |
| Execution Units | 8 | 12 |
| TGP | - | 15 W |
| Max. Resolution | 7680x4320 - 60 Hz | 7680x4320 - 60 Hz |
iGPU FLOPS
Memory Support
| Memory types | - LPDDR5-7467 - LPDDR5x-7467 - DDR5-5600 |
- DDR5-5600 - LPDDR5x-7500 |
| Memory Size | 96 GB | 256 GB |
| Max. Memory Channels | 2 | 2 |
| ECC Support | No | No |
Misc
| Official site | Intel Core Ultra 7 155H official page | AMD Ryzen 7 7840U official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 28 | 20 |
Cast your vote
Total votes: 260
