Intel Atom Z3785 | Intel Pentium 3805U | |
CPU comparisonIntel Atom Z3785 or Intel Pentium 3805U - 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 Z3785 has 4 cores with 4 threads and clocks with a maximum frequency of 2.41 GHz. Up to 4 GB of memory is supported in 2 memory channels. The Intel Atom Z3785 was released in Q2/2014. The Intel Pentium 3805U has 2 cores with 2 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium 3805U was released in Q1/2015. |
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Intel Atom (101) | Family | Intel Pentium (150) |
Intel Atom Z3700 (16) | CPU group | Intel Pentium 3000 (8) |
4 | Generation | 4 |
Bay Trail | Architecture | Haswell U |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3785 is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The Intel Pentium 3805U has 2 CPU cores with a clock frequency of 1.90 GHz. |
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Intel Atom Z3785 | Characteristic | Intel Pentium 3805U |
4 | Cores | 2 |
4 | Threads | 2 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
1.49 GHz | Frequency | 1.90 GHz |
2.41 GHz | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe 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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Intel HD Graphics (Bay Trail GT1) | GPU | Intel HD Graphics (Broadwell GT1) |
0.31 GHz | GPU frequency | 0.10 GHz |
0.83 GHz | GPU (Turbo) | 0.80 GHz |
7 | GPU Generation | 8 |
22 nm | Technology | 14 nm |
2 | Max. displays | 3 |
4 | Compute units | 12 |
32 | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 2 GB |
11.2 | DirectX Version | 11.2 |
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 | Intel HD Graphics (Broadwell GT1) |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode |
Memory & PCIeThe Intel Atom Z3785 supports a maximum of 4 GB of memory in 2 memory channels. The Intel Pentium 3805U can connect up to 16 GB of memory in 2 memory channels. |
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Intel Atom Z3785 | Characteristic | Intel Pentium 3805U |
LPDDR3-1333 | Memory | DDR3-1600 |
4 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 25.6 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 2.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 12 |
-- | PCIe Bandwidth | 6.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom Z3785 has a TDP of 4 W, that of the Intel Pentium 3805U is 15 W. |
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Intel Atom Z3785 | Characteristic | Intel Pentium 3805U |
4 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
90 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom Z3785 has a 2.00 MB cache, while the Intel Pentium 3805U cache has a total of 2.00 MB. |
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Intel Atom Z3785 | Characteristic | Intel Pentium 3805U |
22 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2 |
BGA 1380 | Socket | BGA 1168 |
VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q2/2014 | Release date | Q1/2015 |
-- | Release price | -- |
show more data | show more data | |
Intel Atom Z3785
Intel HD Graphics (Bay Trail GT1) @ 0.83 GHz |
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Intel Pentium 3805U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz |
Intel Atom Z3785
4C 4T @ 2.41 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 1.49 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 2.41 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 1.49 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 1.49 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 2.41 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Intel Atom Z3785
4C 4T @ 1.49 GHz |
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Intel Pentium 3805U
2C 2T @ 1.90 GHz |
Devices using this processor |
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Intel Atom Z3785 | Intel Pentium 3805U |
Unknown | Unknown |