AMD Ryzen 7 7840HS | MediaTek MT8151 | |
CPU comparisonAMD Ryzen 7 7840HS or MediaTek MT8151 - 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 MT8151 has 8 cores with 8 threads and clocks with a maximum frequency of 1.70 GHz. The CPU supports up to GB of memory in 0 memory channels. The MediaTek MT8151 was released in 2014. |
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AMD Ryzen 7 (70) | Family | Mediatek MT-Serie (72) |
AMD Ryzen 7040 (21) | CPU group | MediaTek MT81xx A7 (5) |
6 | Generation | 1 |
Phoenix (Zen 4) | Architecture | Cortex-A7 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 7 8840HS | Successor | -- |
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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 MT8151 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the MediaTek MT8151 is at 1.70 GHz. |
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AMD Ryzen 7 7840HS | Characteristic | MediaTek MT8151 |
8 | Cores | 8 |
16 | Threads | 8 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.80 GHz | Frequency | 1.70 GHz |
5.10 GHz | Turbo Frequency (1 Core) | -- |
4.25 GHz | Turbo Frequency (All Cores) | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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AMD Ryzen 7 7840HS | Characteristic | MediaTek MT8151 |
AMD Ryzen™ AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD Ryzen 7 7840HS or MediaTek MT8151 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. |
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AMD Radeon 780M | GPU | ARM Mali-450 MP4 |
0.80 GHz | GPU frequency | 0.01 GHz |
2.70 GHz | GPU (Turbo) | 0.01 GHz |
3 | GPU Generation | Utgard |
4 nm | Technology | 28nm |
4 | Max. displays | 1 |
12 | Compute units | 4 |
768 | Shader | 64 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | -- |
12 | DirectX Version | 0 |
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 | ARM Mali-450 MP4 |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode | Codec VP9 | No |
Decode | Codec VP8 | No |
Decode / Encode | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
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 MT8151 supports up to GB of memory in 0 memory channels and achieves a memory bandwidth of up to --. |
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AMD Ryzen 7 7840HS | Characteristic | MediaTek MT8151 |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | |
256 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 0 |
120.0 GB/s | Max. Bandwidth | -- |
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 MT8151 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 7 7840HS | Characteristic | MediaTek MT8151 |
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 MT8151 is manufactured in 28 nm and has a 0.00 MB cache. |
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AMD Ryzen 7 7840HS | Characteristic | MediaTek MT8151 |
4 nm | Technology | 28 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv7-A (32 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 | 2014 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
AMD Radeon 780M @ 2.70 GHz |
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MediaTek MT8151
ARM Mali-450 MP4 @ 0.01 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 5.10 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
AMD Ryzen 7 7840HS
15,930 CB R23 MC @ 55 W |
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MediaTek MT8151
1.70 GHz |
AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
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MediaTek MT8151
8C 8T @ 1.70 GHz |
Devices using this processor |
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AMD Ryzen 7 7840HS | MediaTek MT8151 |
Lenovo IdeaPad Pro 5 14 Lenovo IdeaPad Pro 5 16 |
Unknown |