AMD Ryzen 9 7940HS | AMD Ryzen 9 7945HX | |
CPU comparisonAMD Ryzen 9 7940HS or AMD Ryzen 9 7945HX - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Ryzen 9 7940HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.20 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7940HS was released in Q1/2023. The AMD Ryzen 9 7945HX has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX was released in Q1/2023. |
||
AMD Ryzen 9 (35) | Family | AMD Ryzen 9 (35) |
AMD Ryzen 7040 (21) | CPU group | AMD Ryzen 7045 (6) |
6 | Generation | 6 |
Phoenix (Zen 4) | Architecture | Dragon Range (Zen 4) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 9 8945HS | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD Ryzen 9 7940HS is a 8 core processor with a clock frequency of 4.00 GHz (5.20 GHz). The AMD Ryzen 9 7945HX has 16 CPU cores with a clock frequency of 2.50 GHz (5.40 GHz). |
||
AMD Ryzen 9 7940HS | Characteristic | AMD Ryzen 9 7945HX |
8 | Cores | 16 |
16 | Threads | 32 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
4.00 GHz | Frequency | 2.50 GHz |
5.20 GHz | Turbo Frequency (1 Core) | 5.40 GHz |
-- | Turbo Frequency (All Cores) | -- |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
||
AMD Ryzen 9 7940HS | Characteristic | AMD Ryzen 9 7945HX |
AMD Ryzen AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
||
AMD Radeon 780M | GPU | AMD Radeon 610M |
0.80 GHz | GPU frequency | 0.40 GHz |
2.80 GHz | GPU (Turbo) | 2.20 GHz |
3 | GPU Generation | 9 |
4 nm | Technology | 6 nm |
4 | Max. displays | 3 |
12 | Compute units | 2 |
768 | Shader | 128 |
Yes | Hardware Raytracing | Yes |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 8 GB |
12 | DirectX Version | 12 |
Hardware codec supportA 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. |
||
AMD Radeon 780M | GPU | AMD Radeon 610M |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode | Codec VP9 | Decode / Encode |
Decode | Codec VP8 | Decode / Encode |
Decode / Encode | Codec AV1 | Decode |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 9 7940HS supports a maximum of 256 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX can connect up to 128 GB of memory in 2 memory channels. |
||
AMD Ryzen 9 7940HS | Characteristic | AMD Ryzen 9 7945HX |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR5-5200 |
256 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 83.2 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | 16.00 MB |
16.00 MB | L3 Cache | 64.00 MB |
4.0 | PCIe version | 5.0 |
20 | PCIe lanes | 28 |
39.4 GB/s | PCIe Bandwidth | 110.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 7940HS has a TDP of 54 W, that of the AMD Ryzen 9 7945HX is 55 W. |
||
AMD Ryzen 9 7940HS | Characteristic | AMD Ryzen 9 7945HX |
54 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | 75 W |
35 W | TDP down | -- |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 7940HS has a 24.00 MB cache, while the AMD Ryzen 9 7945HX cache has a total of 80.00 MB. |
||
AMD Ryzen 9 7940HS | Characteristic | AMD Ryzen 9 7945HX |
4 nm | Technology | 5 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
FP8 | Socket | FL1 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2023 | Release date | Q1/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
AMD Radeon 780M @ 2.80 GHz |
|||
AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
AMD Ryzen 9 7940HS
4.00 GHz |
|||
AMD Ryzen 9 7945HX
32,788 CB R23 MC @ 134 W |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
|||
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
Devices using this processor |
|
AMD Ryzen 9 7940HS | AMD Ryzen 9 7945HX |
Unknown | Unknown |