Intel Core Ultra 7 255HX vs AMD Ryzen 7 7840HS
74
out 100
VS
64
out 100
Compared 2 processors: Intel Core Ultra 7 255HX, vs AMD Ryzen 7 7840HS. 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 | n/a | 99.4 GOps/s |
| Floating-Point Math | n/a | 60.4 GOps/s |
| Prime Number Search | n/a | 89 M primes/s |
| Random String Sort | n/a | 40.3 M strings/s |
| Data Encryption | n/a | 20.8 GB/s |
| Data Compression | n/a | 348.1 MB/s |
| Physics | n/a | 1385 frames/s |
| Extended Instructions | n/a | 259 M matrices/s |
| File Compression | 1270 MB/s | 1120 MB/s |
| Clang Compilation | 187.3 KLines/s | 102.5 KLines/s |
| HTML5 Browser | 337.9 pages/s | 217.2 pages/s |
| PDF Rendering | 488.3 MP/sec | 350 MP/sec |
| Text Processing | 336.6 pages/s | 251.8 pages/s |
| Background Blur | 72.7 frames/s | 59.4 frames/s |
| Photo Processing | 121.8 frames/s | 87.6 frames/s |
| Ray Tracing | 39.7 MP/sec | 22.5 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 319.9 PPW | 223.8 PPW |
| PassMark CPU / W | n/a | 533.5 PPW |
| Cinebench 2024 / W | 28.9 PPW | 17.5 PPW |
| Blender / W | n/a | 4.05 PPW |
General Info
| Manufacturer | Intel | AMD |
| Announced | January, 6, 2025 | January, 4, 2023 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Arrow Lake | Zen 4 (Phoenix) |
| Model number | 255HX | n/a |
| Integrated GPU | Arc Graphics (4-Cores) | Radeon 780M |
Processor
| Cores | 8 | 8 |
| Threads | 8 | 16 |
| Frequency | 2.4 GHz | 3.8 GHz |
| Max Frequency (Turbo) | 5.2 GHz | 5.1 GHz |
| Cores | 12 | n/a |
| Threads | 12 | n/a |
| Frequency | 1.8 GHz | n/a |
| Max Frequency (Turbo) | 4.5 GHz | n/a |
| Cores count | 20 | 8 |
| Threads count | 20 | 16 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 24x | 38x |
| L1 cache | 112 KB/core | 64 KB/core |
| L2 cache | 2000 KB/core | 1000 KB/core |
| L3 Cache | 30 MB total | 16 MB total |
| Unlocked multiplier | Yes | No |
Package
| Transistor count | n/a | 25 billion |
| Process tech. | 3 nm | 4 nm |
| Power (TDP) | 45-55 W | 35-54 W |
| Max TDP (Boost) | 160 W | n/a |
| Socket | FCBGA-2114 | FP8 |
| Critical temp. | 105 °C | 100 °C |
Memory Support
| Memory Type | DDR5-6400 | - DDR5-5600 - LPDDR5x-7500 |
| Max Size | 192 GB | 256 GB |
| Channels | 2 | 2 |
| ECC support | Yes | Yes |
Other
| PCIe Version | 5.0 | 4.0 |
| Max PCIe Lanes | 24 | 20 |
Note
AMD 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.
Results
After analyzing the data, we consider Intel Core Ultra 7 255HX the clear winner in this comparison.
Survey
Total Votes: 0
