AMD Ryzen 7 7840H | Intel Core i7-8700K | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 7 7840H and the Intel Core i7-8700K and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 7 7840H 8 core processor released in Q1/2023 with the Intel Core i7-8700K which has 6 CPU cores and was introduced in Q4/2017. |
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AMD Ryzen 7 (70) | Family | Intel Core i7 (298) |
AMD Ryzen 7040 (21) | CPU group | Intel Core i 8000 (20) |
6 | Generation | 8 |
Phoenix (Zen 4) | Architecture | Coffee Lake S |
Mobile | Segment | Desktop / Server |
-- | Predecessor | Intel Core i7-7700K |
-- | Successor | Intel Core i7-9700K |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7840H is a 8 core processor with a clock frequency of 3.80 GHz (5.10 GHz). The processor can compute 16 threads at the same time. The Intel Core i7-8700K clocks with 3.70 GHz (4.70 GHz), has 6 CPU cores and can calculate 12 threads in parallel. |
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AMD Ryzen 7 7840H | Characteristic | Intel Core i7-8700K |
8 | Cores | 6 |
16 | Threads | 12 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
3.80 GHz | Frequency | 3.70 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
4.25 GHz | Turbo Frequency (All Cores) | 4.30 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 7 7840H | Characteristic | Intel Core i7-8700K |
AMD Ryzen AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
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 780M | GPU | Intel UHD Graphics 630 |
0.80 GHz | GPU frequency | 0.35 GHz |
2.70 GHz | GPU (Turbo) | 1.20 GHz |
3 | GPU Generation | 9.5 |
4 nm | Technology | 14 nm |
4 | Max. displays | 3 |
12 | Compute units | 24 |
768 | Shader | 192 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 64 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 780M | GPU | Intel UHD Graphics 630 |
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 | No |
Decode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 7840H, while the Intel Core i7-8700K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled. |
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AMD Ryzen 7 7840H | Characteristic | Intel Core i7-8700K |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR4-2666 |
256 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 42.7 GB/s |
Yes | ECC | No |
8.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | 12.00 MB |
4.0 | PCIe version | 3.0 |
20 | PCIe lanes | 16 |
39.4 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe AMD Ryzen 7 7840H has a TDP of 54 W. The TDP of the Intel Core i7-8700K is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 7 7840H | Characteristic | Intel Core i7-8700K |
54 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
60 W | TDP up | -- |
35 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 7840H has 24.00 MB cache and is manufactured in 4 nm. The cache of Intel Core i7-8700K is at 12.00 MB. The processor is manufactured in 14 nm. |
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AMD Ryzen 7 7840H | Characteristic | Intel Core i7-8700K |
4 nm | Technology | 14 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
FP8 | Socket | LGA 1151-2 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2023 | Release date | Q4/2017 |
-- | Release price | 370 $ |
show more data | show more data | |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
AMD Radeon 780M @ 2.70 GHz |
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Intel Core i7-8700K
Intel UHD Graphics 630 @ 1.20 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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Intel Core i7-8700K
6C 12T @ 3.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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Intel Core i7-8700K
6C 12T @ 4.70 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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Intel Core i7-8700K
6C 12T @ 4.30 GHz |
AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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Intel Core i7-8700K
6C 12T @ 3.70 GHz |
Devices using this processor |
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AMD Ryzen 7 7840H | Intel Core i7-8700K |
Unknown | PC mit Intel Core i7-8700K |