AMD Ryzen 9 7945HX | AMD Ryzen 9 8945H | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 9 7945HX and the AMD Ryzen 9 8945H and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 9 7945HX 16 core processor released in Q1/2023 with the AMD Ryzen 9 8945H which has 8 CPU cores and was introduced in Q1/2024. |
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AMD Ryzen 9 (35) | Family | AMD Ryzen 9 (35) |
AMD Ryzen 7045 (6) | CPU group | AMD Ryzen 8040 (20) |
6 | Generation | 7 |
Dragon Range (Zen 4) | Architecture | Hawk Point (Zen 4) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7945HX is a 16 core processor with a clock frequency of 2.50 GHz (5.40 GHz). The processor can compute 32 threads at the same time. The AMD Ryzen 9 8945H clocks with 4.00 GHz (5.20 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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AMD Ryzen 9 7945HX | Characteristic | AMD Ryzen 9 8945H |
16 | Cores | 8 |
32 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.50 GHz | Frequency | 4.00 GHz |
5.40 GHz | Turbo Frequency (1 Core) | 5.20 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. |
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AMD Ryzen 9 7945HX | Characteristic | AMD Ryzen 9 8945H |
-- | AI hardware | AMD Ryzen AI |
-- | AI specifications | AMD Ryzen™ AI |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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AMD Radeon 610M | GPU | AMD Radeon 780M |
0.40 GHz | GPU frequency | 0.80 GHz |
2.20 GHz | GPU (Turbo) | 2.80 GHz |
9 | GPU Generation | 3 |
6 nm | Technology | 4 nm |
3 | Max. displays | 4 |
2 | Compute units | 12 |
128 | Shader | 768 |
Yes | Hardware Raytracing | Yes |
No | Frame Generation | AMD FSR |
8 GB | Max. GPU Memory | 32 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. |
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AMD Radeon 610M | GPU | AMD Radeon 780M |
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 / Encode | Codec VP9 | Decode |
Decode / Encode | Codec VP8 | Decode |
Decode | Codec AV1 | Decode / Encode |
Decode / Encode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 7945HX, while the AMD Ryzen 9 8945H supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled. |
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AMD Ryzen 9 7945HX | Characteristic | AMD Ryzen 9 8945H |
DDR5-5200 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
128 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
83.2 GB/s | Max. Bandwidth | 120.0 GB/s |
Yes | ECC | Yes |
16.00 MB | L2 Cache | 8.00 MB |
64.00 MB | L3 Cache | 16.00 MB |
5.0 | PCIe version | 4.0 |
28 | PCIe lanes | 20 |
110.3 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe AMD Ryzen 9 7945HX has a TDP of 55 W. The TDP of the AMD Ryzen 9 8945H is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 9 7945HX | Characteristic | AMD Ryzen 9 8945H |
55 W | TDP (PL1 / PBP) | 45 W |
-- | TDP (PL2) | -- |
75 W | TDP up | 54 W |
-- | TDP down | 35 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 7945HX has 80.00 MB cache and is manufactured in 5 nm. The cache of AMD Ryzen 9 8945H is at 24.00 MB. The processor is manufactured in 4 nm. |
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AMD Ryzen 9 7945HX | Characteristic | AMD Ryzen 9 8945H |
5 nm | Technology | 4 nm |
Chiplet | Chip design | Monolithic |
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 |
FL1 | Socket | FP8 |
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 | Q1/2024 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz |
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AMD Ryzen 9 8945H
AMD Radeon 780M @ 2.80 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 5.20 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
AMD Ryzen 9 7945HX
32,788 CB R23 MC @ 134 W |
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AMD Ryzen 9 8945H
4.00 GHz |
AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz |
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AMD Ryzen 9 8945H
8C 16T @ 4.00 GHz |
Devices using this processor |
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AMD Ryzen 9 7945HX | AMD Ryzen 9 8945H |
Unknown | Unknown |