AMD Ryzen 7 7840U
AMD Ryzen 7 7840U: Highlights
AMD Ryzen 7 7840U is a laptop processor produced by AMD. It has 8 cores and 16 threads. CPU base clock frequency is 3300 MHz, but it’s due to Turbo Boost technology. It can perform up to 5100 MHz. AMD Ryzen 7 7840U has integrated graphics AMD Radeon 780M.
AMD Ryzen 7 7840U is based on a 4 nm fabrication process and a TDP of 15-30W. It supports DDR5 | LPDDR5x memory with a double-channel interface, and a memory speed is 5600 MT/s | 7500 MT/s.
SPECIFICATIONS
General Information
| Vendor | AMD |
| Released | May 2023 |
| Type | Laptop |
| Model | Ryzen 7 7840U |
| Instruction set | x86-64 |
| Codename | Zen 4 Phoenix |
| Socket | FP8 |
| Integrated GPU | AMD Radeon 780M |
| Supported displays | 4 |
| Supports 64-bit | Yes |
CPU Performance
| Cores | 8 |
| Threads | 16 |
| Base Frequency | 3.3 GHz |
| Turbo Boost Frequency | 5.1 GHz |
| Bus Frequency | 100 MHz |
| Clock Multiplier | 33x |
| L1 Cache | 64K (per core) |
| L2 Cache | 8MB |
| L3 Cache | 16MB |
| L2 core | - |
| L3 core | - |
| Unlocked Multiplier | No |
iGPU
| Integrated Graphics | AMD Radeon 780M |
| GPU Base Clock | 1500 MHz |
| GPU Boost Clock | 2700 MHz |
| Shading Units | 768 |
| TMUs | 48 |
| ROPs | 32 |
| Execution Units | 12 |
| TGP | 15W |
| Max. Resolution |
7680x4320 @ 60Hz 3840x2160 @ 240Hz 3440x1440 @ 360Hz 2560x1440 @ 480Hz 1920x1080 @ 600Hz |
| iGPU FLOPS | 8.12 TFLOPS |
Power
| Transistors | 25 billions |
| Fabrication process | TSMC 4nm FinFET |
| TDP | 15-30W |
| Max. temperature | 100°C |
Memory Support
| Memory Types |
DDR5 LPDDR5x |
| Memory Size | 256GB |
| RAM speed |
5600 MT/s 7500 MT/s |
| Max. Memory Channels | 2 |
| Max. Memory Bandwidth | 89.6 GB/s |
| ECC Support | Yes |
| DDR memory version | 5 |
| Bus Transfer Rate | - |
| Bus Speed | - |
Miscellaneous
| Official Site | AMD Ryzen 7 7840U Official website |
| PCI Express Version | 4.0 |
| PCI Express Lanes | 20 |
Benchmarks
| Cinebench R23 Single-Core | 1845 |
| Cinebench R23 Multi-Core | 14846 |
| Passmark CPU Single-Core | - |
| Passmark CPU Multi-Core | - |
| Geekbench Single-Core | 1933 |
| Geekbench Multi-Core | 10478 |
Key Features
| SSE version | 4.1 / 4.2 |
| Front-end width | Die (CCD) Size 178mm² |
| MULTITHREADING | |
| AES | |
| AVX | |
| F16C | |
| MMX | |
| TRUST ZONE | |
| NX BIT | |
| FMA4 | |
| FMA3 |
