AMD Ryzen 7 PRO 7840U | AMD Ryzen 5 PRO 7540U | |
CPU comparisonAMD Ryzen 7 PRO 7840U or AMD Ryzen 5 PRO 7540U - 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 AMD Ryzen 5 PRO 7540U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 7540U was released in Q2/2023. |
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AMD Ryzen 7 PRO (21) | Family | AMD Ryzen 5 PRO (28) |
AMD Ryzen 7040 (21) | CPU group | AMD Ryzen 7040 (21) |
6 | Generation | 6 |
Phoenix (Zen 4) | Architecture | Phoenix (Zen 4) |
Notebook | Segment | Notebook |
-- | Predecessor | -- |
AMD Ryzen 7 PRO 8840U | Successor | AMD Ryzen 5 PRO 8540U |
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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 AMD Ryzen 5 PRO 7540U has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 PRO 7540U is at 3.20 GHz (4.90 GHz). |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7540U |
8 | Cores | 6 |
16 | Threads | 12 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.30 GHz | Frequency | 3.20 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 4.90 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 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7540U |
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 AMD Ryzen 5 PRO 7540U 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 | AMD Radeon 740M |
0.80 GHz | GPU frequency | 0.80 GHz |
2.70 GHz | GPU (Turbo) | 2.50 GHz |
3 | GPU Generation | 10 |
4 nm | Technology | 4 nm |
4 | Max. displays | 4 |
12 | Compute units | 4 |
768 | Shader | 256 |
Yes | Hardware Raytracing | Yes |
AMD FSR | Frame Generation | AMD FSR |
32 GB | Max. GPU Memory | 32 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 740M |
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 |
Decode | Codec VP8 | Decode |
Decode / Encode | Codec AV1 | Decode / Encode |
Decode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
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 AMD Ryzen 5 PRO 7540U supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7540U |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
256 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 120.0 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | 6.00 MB |
16.00 MB | L3 Cache | 16.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 20 |
39.4 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 PRO 7840U is 28 W, while the AMD Ryzen 5 PRO 7540U has a TDP of 15 W. 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 | AMD Ryzen 5 PRO 7540U |
28 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | -- |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 PRO 7840U is manufactured in 4 nm and has 24.00 MB cache. The AMD Ryzen 5 PRO 7540U is manufactured in 4 nm and has a 22.00 MB cache. |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7540U |
4 nm | Technology | 4 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,FMA3, AVX2, AVX512 |
FP8 | Socket | FP8 |
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 | Q2/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 PRO 7840U
AMD Radeon 780M @ 2.70 GHz |
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AMD Ryzen 5 PRO 7540U
AMD Radeon 740M @ 2.50 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 4.90 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 4.90 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 4.90 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz |
Devices using this processor |
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AMD Ryzen 7 PRO 7840U | AMD Ryzen 5 PRO 7540U |
Unknown | Unknown |