AMD Ryzen 9 7900X | AMD Ryzen 7 7840HS | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 9 7900X and the AMD Ryzen 7 7840HS and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 9 7900X 12 core processor released in Q4/2022 with the AMD Ryzen 7 7840HS which has 8 CPU cores and was introduced in Q1/2023. |
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AMD Ryzen 9 (35) | Family | AMD Ryzen 7 (67) |
AMD Ryzen 7000 (14) | CPU group | AMD Ryzen 7040 (21) |
6 | Generation | 6 |
Raphael (Zen 4) | Architecture | Phoenix (Zen 4) |
Desktop / Server | Segment | Mobile |
AMD Ryzen 9 5900X | Predecessor | -- |
-- | Successor | AMD Ryzen 7 8840HS |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7900X is a 12 core processor with a clock frequency of 4.70 GHz (5.60 GHz). The processor can compute 24 threads at the same time. The AMD Ryzen 7 7840HS clocks with 3.80 GHz (5.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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AMD Ryzen 9 7900X | Characteristic | AMD Ryzen 7 7840HS |
12 | Cores | 8 |
24 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
4.70 GHz | Frequency | 3.80 GHz |
5.60 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
5.40 GHz | Turbo Frequency (All Cores) | 4.25 GHz |
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 7900X | Characteristic | AMD Ryzen 7 7840HS |
-- | AI hardware | AMD Ryzen AI |
-- | AI specifications | AMD dedicated AI XDNA Technology |
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 Graphics (Raphael) | GPU | AMD Radeon 780M |
0.40 GHz | GPU frequency | 0.80 GHz |
2.20 GHz | GPU (Turbo) | 2.70 GHz |
9 | GPU Generation | 3 |
5 nm | Technology | 4 nm |
3 | Max. displays | 4 |
2 | Compute units | 12 |
128 | Shader | 768 |
No | 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 Graphics (Raphael) | 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 7900X, while the AMD Ryzen 7 7840HS 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 7900X | Characteristic | AMD Ryzen 7 7840HS |
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 |
12.00 MB | L2 Cache | 8.00 MB |
64.00 MB | L3 Cache | 16.00 MB |
5.0 | PCIe version | 4.0 |
24 | PCIe lanes | 20 |
94.5 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe AMD Ryzen 9 7900X has a TDP of 170 W. The TDP of the AMD Ryzen 7 7840HS is 54 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 9 7900X | Characteristic | AMD Ryzen 7 7840HS |
170 W | TDP (PL1 / PBP) | 54 W |
230 W | TDP (PL2) | -- |
-- | TDP up | 60 W |
-- | TDP down | 35 W |
95 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 7900X has 76.00 MB cache and is manufactured in 5 nm. The cache of AMD Ryzen 7 7840HS is at 24.00 MB. The processor is manufactured in 4 nm. |
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AMD Ryzen 9 7900X | Characteristic | AMD Ryzen 7 7840HS |
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 |
AM5 (LGA 1718) | 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 |
Q4/2022 | Release date | Q1/2023 |
549 $ | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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AMD Ryzen 7 7840HS
AMD Radeon 780M @ 2.70 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 4.70 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
AMD Ryzen 9 7900X
29,306 CB R23 MC @ 186 W |
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AMD Ryzen 7 7840HS
15,930 CB R23 MC @ 55 W |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
AMD Ryzen 9 7900X
12C 24T @ 4.70 GHz |
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AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
Devices using this processor |
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AMD Ryzen 9 7900X | AMD Ryzen 7 7840HS |
Unknown | Lenovo IdeaPad Pro 5 14 Lenovo IdeaPad Pro 5 16 |