CPU comparison with benchmarks
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CPU lineage |
AMD Ryzen 7 7840HS or AMD Ryzen 7 7840HS – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes. The AMD Ryzen 7 7840HS features 8 processor cores and has the capability to manage 16 threads concurrently. It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 7 series. To use the AMD Ryzen 7 7840HS, you'll need a motherboard with a FP8 socket. The AMD Ryzen 9 7940HS features 8 processor cores and has the capability to manage 16 threads concurrently. It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 9 series. To use the AMD Ryzen 9 7940HS, you'll need a motherboard with a FP8 socket.
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| AMD Ryzen 7040 |
Group |
AMD Ryzen 7040 |
| 6 |
Generation |
6 |
| Mobile |
Segment |
Mobile |
| AMD Ryzen 7 7840HS |
Name |
AMD Ryzen 9 7940HS |
| AMD Ryzen 7 |
Family |
AMD Ryzen 9 |
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CPU Cores and Base Frequency |
The AMD Ryzen 7 7840HS has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 7840HS is 3.8 GHz and turbo frequency for one core is 5.1 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator. The AMD Ryzen 9 7940HS has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 9 7940HS is 4.0 GHz and turbo frequency for one core is 5.2 GHz.
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| 16 |
Threads |
16 |
| 8x Zen 4 |
Cores |
8x Zen 4 |
| 8 |
CPU Cores |
8 |
| normal |
Core architecture |
normal |
| Yes |
Hyperthreading |
Yes |
| No |
Overclocking |
No |
| 5.1 GHz |
Turbo Frequency (1 core) |
5.2 GHz |
| 3.8 GHz |
Frequency |
4.0 GHz |
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Internal Graphics |
The AMD Ryzen 7 7840HS has integrated graphics, called iGPU for short. Specifically, the AMD Ryzen 7 7840HS uses the AMD Radeon 780M Graphics, which has 768 texture shaders and 12 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. The AMD Ryzen 9 7940HS has integrated graphics, called iGPU for short. Specifically, the AMD Ryzen 9 7940HS uses the AMD Radeon 780M Graphics, which has 768 texture shaders
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| 768 |
Shaders |
768 |
| Q1/2023 |
Release date |
Q1/2023 |
| 4 nm |
Technology |
4 nm |
| 12 |
Direct X |
12 |
| 32.0 GB |
Max. GPU Memory |
32.0 GB |
| -- |
Max. displays |
-- |
| 12 |
Execution units |
12 |
| 1.2 GHz |
GPU frequency |
1.2 GHz |
| 10 |
Generation |
10 |
| 2.7 GHz |
GPU (Turbo) |
2.8 GHz |
| AMD Radeon 780M Graphics |
GPU name |
AMD Radeon 780M Graphics |
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Artificial Intelligence and Machine Learning |
| AMD dedicated AI XDNA Technology |
AI specifications |
AMD dedicated AI XDNA Technology |
| AMD Ryzen AI |
AI hardware |
AMD Ryzen AI |
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Hardware codec support |
A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
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| Decode |
VP8 |
Decode |
| Decode |
VC-1 |
Decode |
| Decode / Encode |
JPEG |
Decode / Encode |
| Decode / Encode |
AV1 |
Decode / Encode |
| Decode / Encode |
h265 / HEVC (8 bit) |
Decode / Encode |
| Decode |
AVC |
Decode |
| Decode / Encode |
h264 |
Decode / Encode |
| Decode |
VP9 |
Decode |
| Decode / Encode |
h265 / HEVC (10 bit) |
Decode / Encode |
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Memory & PCIe |
The processor supports a maximum memory capacity of 256.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 89.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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| pci |
PCIe |
pci |
| Yes |
AES-NI |
Yes |
| DDR5-5600, LPDDR5X-7500 |
Memory type |
DDR5-5600, LPDDR5X-7500 |
| Yes |
ECC |
Yes |
| 256.0 GB |
Max. Memory |
256.0 GB |
| 2 |
Memory channels |
2 |
| 89.6 GB/s |
Bandwidth |
89.6 GB/s |
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Thermal Management |
The processor has a thermal design power (TDP) of 54 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
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| 35 W |
TDP down |
35 W |
| 54 W |
TDP (PL1 / PBP) |
54 W |
| 100 °C |
Tjunction max |
100 °C |
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Technical details |
The AMD Ryzen 7 7840HS is manufactured using a 4 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 16.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The AMD Ryzen 9 7940HS is manufactured using a 4 nm process.
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| Q1/2023 |
Release date |
Q1/2023 |
| AMD-V, SVM |
Virtualization |
AMD-V, SVM |
| SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 |
ISA extensions |
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 |
| 4 nm |
Technology |
4 nm |
| Chiplet |
Chip design |
Chiplet |
| -- |
Release price |
-- |
| Phoenix (Zen 4) |
Architecture |
Phoenix (Zen 4) |
| 16.0 MB |
L3-Cache |
16.0 MB |
| Windows 10, Linux, Windows 11 |
Operating systems |
Windows 10, Linux, Windows 11 |
| Technical data sheet |
Documents |
Technical data sheet |
| x86-64 (64 bit) |
Instruction set (ISA) |
x86-64 (64 bit) |
| 100-000001129 |
Part Number |
100-000001128 |
| FP8 |
Socket |
FP8 |
| 8.0 MB |
L2-Cache |
8.0 MB |
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