AMD Ryzen 7 7840U
The AMD Ryzen 7 7840U operates with 84 cores and 16 CPU threads. It run at 5.10 GHz base all cores while the TDP is set at 45 W.The processor is attached to the FP8 CPU socket. This version includes 16.00 MB of L3 cache on one chip, supports 2 (Dual Channel) memory channels to support DDR5-5600LPDDR5X-7500 RAM and features PCIe Gen lanes. Tjunction keeps below 100 °C degrees C. In particular, Phoenix (Zen 4) Architecture is enhanced with 4 nm technology and supports AMD-V, SVM. The product was launched on Q2/2023
| Frequency | 3.30 GHz |
| CPU Cores | 84 |
| CPU Threads | 16 |
| Turbo (1 Core) | 5.10 GHz |
| Turbo (84 Cores): |
| Hyperthreading | Yes  |
| Overclocking | No  |
| Core Architecture | normal |
Where to Buy?
Buy AMD Ryzen 7 7840U
Memory & PCIe
| Memory type | DDR5-5600LPDDR5X-7500 |
| Max memory | 256 GB |
| Memory channels | 2 (Dual Channel) |
| ECC | Yes |
| Bandwidth | 89.6 GB/s |
| PCIe | 4.0 x 20 |
Encryption
| AES-NI | Yes |
Internal Graphics
| Memory type | DDR5-5600LPDDR5X-7500 |
| GPU name | AMD Radeon 780M Graphics |
| GPU frequency | 1.20 GHz |
| GPU (Turbo) | 2.70 GHz |
| Generation | 9 |
| DirectX Version | |
| Execution units | 12 |
| Shader | 768 |
| Max memory | 32 GB |
| Max. displays | 4 |
| Technology | 4 nm |
| Release date | Q1/2023 |
Technical details
| Instruction set (ISA) | x86-64 (64 bit) |
| Architecture | Phoenix (Zen 4) |
| L2-Cache | 8.00 MB |
| L3-Cache | 16.00 MB |
| Technology | 4 nm |
| Release date | Q2/2023 |
| Socket | FP8 |
Thermal Management
| TDP (PL1) | |
| TDP (PL2) | |
| TDP Up | -- |
| TDP Down | 15 W |
| Tjunction max | 100 °C |
Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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