AMD Ryzen 7 PRO 7840U | MediaTek Dimensity 1100 | |
CPU comparisonAMD Ryzen 7 PRO 7840U or MediaTek Dimensity 1100 - 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 PRO 7840U 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 PRO 7840U was released in Q2/2023. The MediaTek Dimensity 1100 has 8 cores with 8 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to 16 GB of memory in 4 memory channels. The MediaTek Dimensity 1100 was released in Q1/2021. |
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AMD Ryzen 7 PRO (21) | Family | Mediatek Dimensity (36) |
AMD Ryzen 7040 (21) | CPU group | MediaTek Dimensity 1100/1200/1300 (3) |
6 | Generation | 2 |
Phoenix (Zen 4) | Architecture | Cortex-A78 / Cortex-A55 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 7 PRO 8840U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 PRO 7840U has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 PRO 7840U is 3.30 GHz (5.10 GHz) while the MediaTek Dimensity 1100 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the MediaTek Dimensity 1100 is at 2.60 GHz. |
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AMD Ryzen 7 PRO 7840U | Characteristic | MediaTek Dimensity 1100 |
8 | Cores | 8 |
16 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.30 GHz (5.10 GHz) 8x Zen 4 |
A-Core | 2.60 GHz 4x Cortex-A78 |
-- | B-Core | 2.00 GHz 4x Cortex-A55 |
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 PRO 7840U | Characteristic | MediaTek Dimensity 1100 |
AMD Ryzen™ AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD Ryzen 7 PRO 7840U or MediaTek Dimensity 1100 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-G77 MP9 |
0.80 GHz | GPU frequency | 0.85 GHz |
2.70 GHz | GPU (Turbo) | -- |
3 | GPU Generation | Vallhall 1 |
4 nm | Technology | 7 nm |
4 | Max. displays | 1 |
12 | Compute units | 9 |
768 | Shader | 144 |
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. |
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AMD Radeon 780M | GPU | ARM Mali-G77 MP9 |
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 PRO 7840U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The MediaTek Dimensity 1100 supports up to 16 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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AMD Ryzen 7 PRO 7840U | Characteristic | MediaTek Dimensity 1100 |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR4X-4266 |
256 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
120.0 GB/s | Max. Bandwidth | 34.1 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 PRO 7840U is 28 W, while the MediaTek Dimensity 1100 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 PRO 7840U | Characteristic | MediaTek Dimensity 1100 |
28 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 PRO 7840U is manufactured in 4 nm and has 24.00 MB cache. The MediaTek Dimensity 1100 is manufactured in 6 nm and has a 0.00 MB cache. |
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AMD Ryzen 7 PRO 7840U | Characteristic | MediaTek Dimensity 1100 |
4 nm | Technology | 6 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 |
Q2/2023 | Release date | Q1/2021 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
AMD Radeon 780M @ 2.70 GHz |
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MediaTek Dimensity 1100
ARM Mali-G77 MP9 @ 0.85 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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MediaTek Dimensity 1100
8C 8T @ 2.60 GHz |
Devices using this processor |
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AMD Ryzen 7 PRO 7840U | MediaTek Dimensity 1100 |
Unknown | Unknown |