AMD Ryzen 7 8840U vs AMD Ryzen 7 7840U
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Compared 2 processors: AMD Ryzen 7 8840U, vs AMD Ryzen 7 7840U. 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 | 85.9 GOps/s | 91.5 GOps/s |
| Floating-Point Math | 48.8 GOps/s | 52.2 GOps/s |
| Prime Number Search | 79 M primes/s | 80 M primes/s |
| Random String Sort | 32 M strings/s | 33.7 M strings/s |
| Data Encryption | 16 GB/s | 17.8 GB/s |
| Data Compression | 266.8 MB/s | 290.8 MB/s |
| Physics | 1183 frames/s | 1254 frames/s |
| Extended Instructions | 186 M matrices/s | 206 M matrices/s |
| File Compression | 1010 MB/s | 1110 MB/s |
| Clang Compilation | 76.9 KLines/s | 82.2 KLines/s |
| HTML5 Browser | 218.3 pages/s | 210.4 pages/s |
| PDF Rendering | 312.4 MP/sec | 298.4 MP/sec |
| Text Processing | 252.6 pages/s | 250.6 pages/s |
| Background Blur | 46.3 frames/s | 47.5 frames/s |
| Photo Processing | 90.1 frames/s | 90.5 frames/s |
| Ray Tracing | 16.8 MP/sec | 17.5 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 353.9 PPW | 357.5 PPW |
| PassMark CPU / W | 777.2 PPW | 831.5 PPW |
| Cinebench 2024 / W | 24.2 PPW | 25.4 PPW |
| Blender / W | 5.16 PPW | 6.65 PPW |
General Info
| Manufacturer | AMD | AMD |
| Announced | December, 6, 2023 | May, 3, 2023 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 4 (Hawk Point) | Zen 4 (Phoenix) |
| Integrated GPU | Radeon 780M | Radeon 780M |
Processor
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Frequency | 3.3 GHz | 3.3 GHz |
| Max Frequency (Turbo) | 5.1 GHz | 5.1 GHz |
| Cores count | 8 | 8 |
| Threads count | 16 | 16 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 33x | 33x |
| L1 cache | 64 KB/core | 64 KB/core |
| L2 cache | 1000 KB/core | 1000 KB/core |
| L3 Cache | 16 MB total | 16 MB total |
| Unlocked multiplier | No | No |
Package
| Transistor count | 25 billion | 25 billion |
| Process tech. | 4 nm | 4 nm |
| Power (TDP) | 15-30 W | 15-30 W |
| Socket | FP8 | FP8 |
| Critical temp. | 100 °C | 100 °C |
Memory Support
| Memory Type | - DDR5-5600 - LPDDR5x-7500 |
- DDR5-5600 - LPDDR5x-7500 |
| Max Size | 256 GB | 256 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 4.0 | 4.0 |
| Max PCIe Lanes | 20 | 20 |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
