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AMD Ryzen 7 7840U | AMD Ryzen 7 7735U | |
CPU comparisonAMD Ryzen 7 7840U or AMD Ryzen 7 7735U - 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 AMD Ryzen 7 7735U has 8 cores with 16 threads and clocks with a maximum frequency of 4.75 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 7 7735U was released in Q4/2022. |
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AMD Ryzen 7 (74) | Family | AMD Ryzen 7 (74) |
AMD Ryzen 7040 (21) | CPU group | AMD Ryzen 6000U/7035U (10) |
6 | Generation | 5 |
Phoenix (Zen 4) | Architecture | Rembrandt (Zen 3+) |
Notebook | Segment | Notebook |
-- | 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 AMD Ryzen 7 7735U has 8 CPU cores with a clock frequency of 2.70 GHz (4.75 GHz). |
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AMD Ryzen 7 7840U | Characteristic | AMD Ryzen 7 7735U |
8 | Cores | 8 |
16 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.30 GHz | Frequency | 2.70 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 4.75 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 7840U | Characteristic | AMD Ryzen 7 7735U |
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 | AMD Radeon 680M |
0.80 GHz | GPU frequency | 2.00 GHz |
2.70 GHz | GPU (Turbo) | 2.20 GHz |
3 | GPU Generation | 9 |
4 nm | Technology | 6 nm |
4 | Max. displays | 3 |
12 | Compute units | 12 |
768 | Shader | 768 |
Yes | Hardware Raytracing | Yes |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 8 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 | AMD Radeon 680M |
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 |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 7 7840U supports a maximum of 256 GB of memory in 2 memory channels. The AMD Ryzen 7 7735U can connect up to 64 GB of memory in 2 memory channels. |
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AMD Ryzen 7 7840U | Characteristic | AMD Ryzen 7 7735U |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR5-6400, DDR5-4800 |
256 GB | Max. Memory | 64 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 76.8 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | 4.00 MB |
16.00 MB | L3 Cache | 16.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 16 |
39.4 GB/s | PCIe Bandwidth | 31.5 GB/s |
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 AMD Ryzen 7 7735U is 28 W. |
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AMD Ryzen 7 7840U | Characteristic | AMD Ryzen 7 7735U |
28 W | TDP (PL1 / PBP) | 28 W |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | -- |
100 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen 7 7840U has a 24.00 MB cache, while the AMD Ryzen 7 7735U cache has a total of 20.00 MB. |
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AMD Ryzen 7 7840U | Characteristic | AMD Ryzen 7 7735U |
4 nm | Technology | 6 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FP8 | Socket | FP7 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2023 | Release date | Q4/2022 |
-- | Release price | -- |
show more data | show more data | |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 4.75 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 2.70 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 4.75 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 2.70 GHz |
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AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
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AMD Ryzen 7 7735U
AMD Radeon 680M @ 2.20 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 2.70 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 4.75 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 4.75 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 4.75 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 2.70 GHz |
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AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
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AMD Ryzen 7 7735U
2.70 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 7 7735U
8C 16T @ 2.70 GHz |
Devices using this processor |
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AMD Ryzen 7 7840U | AMD Ryzen 7 7735U |
AOKZOE A1 Pro | Unknown |