AMD Ryzen 7 7840HS | MediaTek Dimensity 800U | |
CPU comparisonAMD Ryzen 7 7840HS or MediaTek Dimensity 800U - 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 7 7840HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 7840HS was released in Q1/2023. The MediaTek Dimensity 800U has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 12 GB of memory in 2 memory channels. The MediaTek Dimensity 800U was released in Q3/2020. |
||
AMD Ryzen 7 (68) | Family | Mediatek Dimensity (36) |
AMD Ryzen 7040 (21) | CPU group | MediaTek Dimensity 700/720/800 (4) |
6 | Generation | 1 |
Phoenix (Zen 4) | Architecture | Cortex-A76 / Cortex-A55 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 7 8840HS | Successor | -- |
|
||
CPU Cores and Base FrequencyThe 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 3.80 GHz (5.10 GHz) while the MediaTek Dimensity 800U has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the MediaTek Dimensity 800U is at 2.40 GHz. |
||
AMD Ryzen 7 7840HS | Characteristic | MediaTek Dimensity 800U |
8 | Cores | 8 |
16 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.80 GHz (5.10 GHz) 8x Zen 4 |
A-Core | 2.40 GHz 2x Cortex-A76 |
-- | B-Core | 2.00 GHz 6x Cortex-A55 |
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 7 7840HS | Characteristic | MediaTek Dimensity 800U |
AMD Ryzen AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
Internal GraphicsThe AMD Ryzen 7 7840HS or MediaTek Dimensity 800U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
||
AMD Radeon 780M | GPU | ARM Mali-G57 MP3 |
0.80 GHz | GPU frequency | 0.95 GHz |
2.70 GHz | GPU (Turbo) | -- |
3 | GPU Generation | Vallhall 1 |
4 nm | Technology | 7 nm |
4 | Max. displays | 2 |
12 | Compute units | 3 |
768 | Shader | 48 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 4 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 | ARM Mali-G57 MP3 |
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 / Encode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 7 7840HS can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The MediaTek Dimensity 800U supports up to 12 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
||
AMD Ryzen 7 7840HS | Characteristic | MediaTek Dimensity 800U |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR4X-4266 |
256 GB | Max. Memory | 12 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 17.1 GB/s |
Yes | ECC | No |
8.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 7840HS is 54 W, while the MediaTek Dimensity 800U has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
AMD Ryzen 7 7840HS | Characteristic | MediaTek Dimensity 800U |
54 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
60 W | TDP up | -- |
35 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 7840HS is manufactured in 4 nm and has 24.00 MB cache. The MediaTek Dimensity 800U is manufactured in 7 nm and has a 0.00 MB cache. |
||
AMD Ryzen 7 7840HS | Characteristic | MediaTek Dimensity 800U |
4 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
FP8 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android |
Q1/2023 | Release date | Q3/2020 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
AMD Radeon 780M @ 2.70 GHz |
|||
MediaTek Dimensity 800U
ARM Mali-G57 MP3 @ 0.95 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
AMD Ryzen 7 7840HS
15,930 CB R23 MC @ 55 W |
|||
MediaTek Dimensity 800U
2.40 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
|||
MediaTek Dimensity 800U
8C 8T @ 2.40 GHz |
Devices using this processor |
|
AMD Ryzen 7 7840HS | MediaTek Dimensity 800U |
Lenovo IdeaPad Pro 5 14 Lenovo IdeaPad Pro 5 16 |
Unknown |