AMD Ryzen 7 7840H | AMD Athlon II X3 445 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 7 7840H and the AMD Athlon II X3 445 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 AMD Athlon II X3 445 which has 3 CPU cores and was introduced in Q2/2010. |
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AMD Ryzen 7 (68) | Family | AMD Athlon II (52) |
AMD Ryzen 7040 (21) | CPU group | AMD Athlon II X3 (Rana) (12) |
6 | Generation | 1 |
Phoenix (Zen 4) | Architecture | Rana |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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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 AMD Athlon II X3 445 clocks with 3.10 GHz, has 3 CPU cores and can calculate 3 threads in parallel. |
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AMD Ryzen 7 7840H | Characteristic | AMD Athlon II X3 445 |
8 | Cores | 3 |
16 | Threads | 3 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.80 GHz | Frequency | 3.10 GHz |
5.10 GHz | Turbo Frequency (1 Core) | -- |
4.25 GHz | Turbo Frequency (All Cores) | -- |
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 | AMD Athlon II X3 445 |
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 | 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 & PCIeUp to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 7840H, while the AMD Athlon II X3 445 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD Ryzen 7 7840H | Characteristic | AMD Athlon II X3 445 |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR3-1333 |
256 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
8.00 MB | L2 Cache | 1.50 MB |
16.00 MB | L3 Cache | -- |
4.0 | PCIe version | 2.0 |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen 7 7840H has a TDP of 54 W. The TDP of the AMD Athlon II X3 445 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 | AMD Athlon II X3 445 |
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 AMD Athlon II X3 445 is at 1.50 MB. The processor is manufactured in 45 nm. |
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AMD Ryzen 7 7840H | Characteristic | AMD Athlon II X3 445 |
4 nm | Technology | 45 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
FP8 | Socket | AM3 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q1/2023 | Release date | Q2/2010 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
AMD Radeon 780M @ 2.70 GHz |
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AMD Athlon II X3 445
@ 0.00 GHz |
AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz |
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AMD Athlon II X3 445
3C 3T @ 3.10 GHz |
Devices using this processor |
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AMD Ryzen 7 7840H | AMD Athlon II X3 445 |
Unknown | Unknown |