AMD Ryzen 7 7840U | Intel Core Duo U2400 | |
CPU comparisonAMD Ryzen 7 7840U or Intel Core Duo U2400 - 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 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 7840U was released in Q2/2023. The Intel Core Duo U2400 has 2 cores with 2 threads and clocks with a maximum frequency of 1.06 GHz. The CPU supports up to GB of memory in 0 memory channels. The Intel Core Duo U2400 was released in Q1/2006. |
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AMD Ryzen 7 (70) | Family | Intel Core Duo (4) |
AMD Ryzen 7040 (21) | CPU group | Intel Core Duo L2000/U2000 (4) |
6 | Generation | 0 |
Phoenix (Zen 4) | Architecture | Yonah |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 7 8840U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7840U is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Intel Core Duo U2400 has 2 CPU cores with a clock frequency of 1.06 GHz. |
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AMD Ryzen 7 7840U | Characteristic | Intel Core Duo U2400 |
8 | Cores | 2 |
16 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.30 GHz | Frequency | 1.06 GHz |
5.10 GHz | Turbo Frequency (1 Core) | -- |
-- | 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 7840U | Characteristic | Intel Core Duo U2400 |
AMD Ryzen™ AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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AMD Radeon 780M | GPU | no iGPU |
0.80 GHz | GPU frequency | -- |
2.70 GHz | GPU (Turbo) | -- |
3 | GPU Generation | -- |
4 nm | Technology | |
4 | Max. displays | |
12 | Compute units | -- |
768 | Shader | -- |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
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 | no iGPU |
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 7840U supports a maximum of 256 GB of memory in 2 memory channels. The Intel Core Duo U2400 can connect up to GB of memory in 0 memory channels. |
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AMD Ryzen 7 7840U | Characteristic | Intel Core Duo U2400 |
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 | 2.00 MB |
16.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 7840U has a TDP of 28 W, that of the Intel Core Duo U2400 is 9 W. |
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AMD Ryzen 7 7840U | Characteristic | Intel Core Duo U2400 |
28 W | TDP (PL1 / PBP) | 9 W |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | -- |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 7840U has a 24.00 MB cache, while the Intel Core Duo U2400 cache has a total of 2.00 MB. |
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AMD Ryzen 7 7840U | Characteristic | Intel Core Duo U2400 |
4 nm | Technology | 65 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-32 (32 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
FP8 | Socket | BGA 479 |
AMD-V, SVM | Virtualization | VT-x |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
Q2/2023 | Release date | Q1/2006 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
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Intel Core Duo U2400
@ 0.00 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
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Intel Core Duo U2400
1.06 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Intel Core Duo U2400
2C 2T @ 1.06 GHz |
Devices using this processor |
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AMD Ryzen 7 7840U | Intel Core Duo U2400 |
AOKZOE A1 Pro | Unknown |