Intel Atom Z3745D | AMD Ryzen 5 PRO 4650U | |
CPU comparisonIntel Atom Z3745D or AMD Ryzen 5 PRO 4650U - 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 Intel Atom Z3745D has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. Up to 2 GB of memory is supported in 1 memory channels. The Intel Atom Z3745D was released in Q1/2014. The AMD Ryzen 5 PRO 4650U has 6 cores with 12 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 4650U was released in Q2/2020. |
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Intel Atom (108) | Family | AMD Ryzen 5 PRO (28) |
Intel Atom Z3700 (16) | CPU group | AMD Ryzen 4000U (11) |
4 | Generation | 3 |
Bay Trail | Architecture | Renoir (Zen 2) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3745D has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom Z3745D is 1.33 GHz (1.83 GHz) while the AMD Ryzen 5 PRO 4650U has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 PRO 4650U is at 2.10 GHz (4.00 GHz). |
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Intel Atom Z3745D | Characteristic | AMD Ryzen 5 PRO 4650U |
4 | Cores | 6 |
4 | Threads | 12 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
1.33 GHz | Frequency | 2.10 GHz |
1.83 GHz | Turbo Frequency (1 Core) | 4.00 GHz |
-- | Turbo Frequency (All Cores) | 3.60 GHz |
Internal GraphicsThe Intel Atom Z3745D or AMD Ryzen 5 PRO 4650U 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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Intel HD Graphics (Bay Trail GT1) | GPU | AMD Radeon RX Vega 6 (Renoir) |
0.31 GHz | GPU frequency | 0.40 GHz |
0.79 GHz | GPU (Turbo) | 1.50 GHz |
7 | GPU Generation | 9 |
22 nm | Technology | 7 nm |
2 | Max. displays | 3 |
4 | Compute units | 6 |
32 | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 2 GB |
11.2 | 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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Intel HD Graphics (Bay Trail GT1) | GPU | AMD Radeon RX Vega 6 (Renoir) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom Z3745D can use up to 2 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.6 GB/s. The AMD Ryzen 5 PRO 4650U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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Intel Atom Z3745D | Characteristic | AMD Ryzen 5 PRO 4650U |
DDR3L-1333 | Memory | LPDDR4-4266, DDR4-3200 |
2 GB | Max. Memory | 64 GB |
1 (Single Channel) | Memory channels | 2 (Dual Channel) |
10.6 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 8.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 12 |
-- | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom Z3745D is 4 W, while the AMD Ryzen 5 PRO 4650U 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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Intel Atom Z3745D | Characteristic | AMD Ryzen 5 PRO 4650U |
4 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | 25 W |
-- | TDP down | 10 W |
90 °C | Tjunction max. | 105 °C |
Technical detailsThe Intel Atom Z3745D is manufactured in 22 nm and has 2.00 MB cache. The AMD Ryzen 5 PRO 4650U is manufactured in 7 nm and has a 8.00 MB cache. |
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Intel Atom Z3745D | Characteristic | AMD Ryzen 5 PRO 4650U |
22 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 1380 | Socket | FP6 |
VT-x, VT-x EPT | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Windows 11, Linux | |
Q1/2014 | Release date | Q2/2020 |
-- | Release price | -- |
show more data | show more data | |
Intel Atom Z3745D
4C 4T @ 1.83 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz |
Intel Atom Z3745D
4C 4T @ 1.83 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz |
Intel Atom Z3745D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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AMD Ryzen 5 PRO 4650U
AMD Radeon RX Vega 6 (Renoir) @ 1.50 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz |
Intel Atom Z3745D
4C 4T @ 1.83 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz |
Intel Atom Z3745D
4C 4T @ 1.83 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz |
Intel Atom Z3745D
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 PRO 4650U
6C 12T @ 2.10 GHz |
Devices using this processor |
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Intel Atom Z3745D | AMD Ryzen 5 PRO 4650U |
Unknown | Unknown |