AMD · Zen 4
AMD Ryzen 7 7840HS: specs, benchmarks and comparison
- 8 cores / 16 threads
- up to 5.1 GHz
- FP7, FP7r2, FP8
- Render rank
- 52 of 89
- among models tested in Blender Benchmark 4.5.0 · 30% of the leader
- Release
- 2023
- TDP
- 35–54 W
- configured by the laptop maker
Performance
Rank among models tested in the same benchmark on the same render backend. A laptop chip’s result depends on the laptop model: its maker sets the power limit and cooling.
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom
215 samples/min
higher is better
Nearest models in this benchmark
Median of 54 runs · Blender Open Data (Blender Foundation) · November 15, 2026
Other benchmark versions (14)
| Benchmark | Result | Rank |
|---|---|---|
| Blender Benchmark 5.2.0 | 218 samples/min · small sample | — |
| Blender Benchmark 5.1.1 | 238 samples/min · small sample | — |
| Blender Benchmark 5.1.0 | 240 samples/min · small sample | — |
| Blender Benchmark 5.0.0 | 229 samples/min · small sample | — |
| Blender Benchmark 4.4.0 | 213 samples/min | 46 of 72 |
| Blender Benchmark 4.3.0 | 207 samples/min | 50 of 80 |
| Blender Benchmark 4.2.0 | 207 samples/min | 50 of 84 |
| Blender Benchmark 4.1.0 | 217 samples/min | 26 of 52 |
| Blender Benchmark 4.0.0 | 228 samples/min | 30 of 65 |
| Blender Benchmark 3.6.0 | 225 samples/min | 24 of 52 |
| Blender Benchmark 3.5.0 | 169 samples/min · small sample | — |
| Blender Benchmark 3.4.0 | 238 samples/min · small sample | — |
| Blender Benchmark 3.3.0 | 255 samples/min · small sample | — |
| Blender Benchmark 3.2.1 | 244 samples/min · small sample | — |
Each benchmark version has its own scale; results from different versions are not compared.
Specifications
Chip maker values. The laptop maker sets the power limit, clocks and memory in each laptop.
Cores and clocks
- Cores
- 8
- Threads
- 16
- Base clock
- 3.8 GHz
- Max clock (Boost/Turbo)
- 5.1 GHz
Cache
- L1 cache
- 512 KB
- L2 cache
- 8 MB
- L3 cache
- 16 MB
Platform
- Socket
- FP7, FP7r2, FP8
- Process node
- TSMC 4 nm FinFET
Memory and interfaces
- Memory type
- DDR5, LPDDR5x
- Memory channels
- 2
- Official memory speed
- 5,600 MT/s
- Max memory capacity
- 256 GB
- PCI Express
- PCIe 4.0
- Integrated graphics
- AMD Radeon 780M
Power
- TDP (AMD method)
- 35–54 W
Checked against the manufacturer’s official page on 2026-11-15. Fields missing from the page are left empty (unknown). AMD lists the release quarter: Q4 2023. Memory speed: DDR5-5600 / LPDDR5x-7500. AMD lists a configurable TDP of 35–54 W. The laptop maker sets the power in each laptop, so benchmark results depend on the laptop model.
Specifications: AMD, checked November 15, 2026.
Other FP7, FP7r2, FP8 CPUs
Same socket, so you can compare without changing the platform. Check support on a specific board in the board maker’s list.