AMD Ryzen 7 7840S Benchmark, Test and specs
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The AMD Ryzen 7 7840S was released in Q2/2023 and has 8 cores. The processor can process 16 threads simultaneously and uses a mainboard with the socket FP8.
| Name: | AMD Ryzen 7 7840S |
|---|---|
| Family: | AMD Ryzen 7 (68) |
| CPU group: | AMD Ryzen 7040 (21) |
| Architecture: | Phoenix (Zen 4) |
| Segment: | Mobile |
| Generation: | 6 |
| Predecessor: | -- |
| Successor: | -- |
CPU Cores and Base Frequency
The AMD Ryzen 7 7840S has 8 cores. The clock frequency of the AMD Ryzen 7 7840S is 3.30 GHz (5.10 GHz). An initial performance assessment can be made using the number of CPU cores.
| CPU Cores / Threads: | 8 / 16 |
|---|---|
| Core architecture: | normal |
| Cores: | 8x Zen 4 |
| Hyperthreading / SMT: | Yes |
|---|---|
| Overclocking: | No |
| Frequency: | 3.30 GHz |
| Turbo Frequency (1 Core): | 5.10 GHz |
| Turbo Frequency (8 Cores): | -- |
Internal Graphics
The AMD Ryzen 7 7840S has an integrated graphics that the system can use to efficiently play back videos. The AMD Ryzen 7 7840S has the AMD Radeon 780M installed, which has 12 streaming multiprocessors (768 shaders).
| GPU name: | AMD Radeon 780M |
|---|---|
| GPU frequency: | 0.80 GHz |
| GPU (Turbo): | 2.70 GHz |
| Compute units: | 12 |
| Shader: | 768 |
| Hardware Raytracing: | Yes |
| Release date: | Q1/2023 |
| Max. displays: | 4 |
|---|---|
| Generation: | 3 |
| Direct X: | 12 |
| Technology: | 4 nm |
| Max. GPU Memory: | 32 GB |
| Frame Generation: | AMD FSR |
Hardware codec support
Processors with integrated graphics can process video codecs faster. Support for modern codecs can significantly increase system efficiency during video playback.
| h265 / HEVC (8 bit): | Decode / Encode |
|---|---|
| h265 / HEVC (10 bit): | Decode / Encode |
| h264: | Decode / Encode |
| VP8: | Decode |
| VP9: | Decode |
| AV1: | Decode / Encode |
|---|---|
| AVC: | Decode |
| VC-1: | Decode |
| JPEG: | Decode / Encode |
Memory & PCIeThe AMD Ryzen 7 7840S supports a maximum of 256 GB memory. Depending on the mainboard, the processor can use a maximum of 2 (Dual Channel) memory channels. This results in a maximum bandwidth of the main memory of 120.0 GB/s. |
|
| Memory type: | Memory bandwidth: |
|---|---|
| DDR5-4800 DDR5-5600 LPDDR5-6400 LPDDR5X-7500 | 76.8 GB/s 89.6 GB/s 102.4 GB/s 120.0 GB/s |
| Max. Memory: | 256 GB |
| Memory channels: | 2 (Dual Channel) |
| ECC: | Yes |
| PCIe: | 4.0 x 20 |
| PCIe Bandwidth: | 39.4 GB/s |
Thermal ManagementThe AMD Ryzen 7 7840S has a TDP of 15 W. Based on the TDP, the system manufacturer can and must adapt the cooling solution to the processor. |
|
|---|---|
| TDP (PL1 / PBP): | 15 W |
| TDP (PL2): | -- |
| TDP up: | 28 W |
| TDP down: | -- |
| Tjunction max.: | 100 °C |
Technical details
Modern production reduces the waste heat of a processor and increases its efficiency. The AMD Ryzen 7 7840S is made in 4 nm and has 24.00 MB cache.
| Technology: | 4 nm |
|---|---|
| Chip design: | Monolithic |
| Socket: | FP8 |
| L2-Cache: | 8.00 MB |
| L3-Cache: | 16.00 MB |
| AES-NI: | Yes |
| Operating systems: | Windows 10, Windows 11, Linux |
| Virtualization: | AMD-V, SVM |
|---|---|
| Instruction set (ISA): | x86-64 (64 bit) |
| ISA extensions: | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| Release date: | Q2/2023 |
| Release price: | -- |
| Part Number: | -- |
| Documents: | -- |
8C 16T @ 3.30 GHz (5.10 GHz)
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Benchmark results
The benchmark results for the AMD Ryzen 7 7840S have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.
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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