Intel Pentium E5400 | Intel Atom Z3785 | |
CPU comparisonIn this CPU comparison, we compare the Intel Pentium E5400 and the Intel Atom Z3785 and use benchmarks to check which processor is faster.
We compare the Intel Pentium E5400 2 core processor released in Q1/2009 with the Intel Atom Z3785 which has 4 CPU cores and was introduced in Q2/2014. |
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Intel Pentium (150) | Family | Intel Atom (108) |
Intel Pentium E5000/E6000 (13) | CPU group | Intel Atom Z3700 (16) |
2 | Generation | 4 |
Wolfdale (Penryn) | Architecture | Bay Trail |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Pentium E5400 is a 2 core processor with a clock frequency of 2.70 GHz. The processor can compute 2 threads at the same time. The Intel Atom Z3785 clocks with 1.49 GHz (2.41 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Pentium E5400 | Characteristic | Intel Atom Z3785 |
2 | Cores | 4 |
2 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
2.70 GHz | Frequency | 1.49 GHz |
-- | Turbo Frequency (1 Core) | 2.41 GHz |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)Graphics (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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no iGPU | GPU | Intel HD Graphics (Bay Trail GT1) |
GPU frequency | 0.31 GHz | |
-- | GPU (Turbo) | 0.83 GHz |
-- | GPU Generation | 7 |
Technology | 22 nm | |
Max. displays | 2 | |
-- | Compute units | 4 |
-- | Shader | 32 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | 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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no iGPU | GPU | Intel HD Graphics (Bay Trail GT1) |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Pentium E5400, while the Intel Atom Z3785 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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Intel Pentium E5400 | Characteristic | Intel Atom Z3785 |
DDR3-1333, DDR2-800 | Memory | LPDDR3-1333 |
16 GB | Max. Memory | 4 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | 2.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Pentium E5400 has a TDP of 65 W. The TDP of the Intel Atom Z3785 is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Pentium E5400 | Characteristic | Intel Atom Z3785 |
65 W | TDP (PL1 / PBP) | 4 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 90 °C |
Technical detailsThe Intel Pentium E5400 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Atom Z3785 is at 2.00 MB. The processor is manufactured in 22 nm. |
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Intel Pentium E5400 | Characteristic | Intel Atom Z3785 |
45 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE, SSE2, SSE3 | ISA extensions | SSE4.1, SSE4.2 |
LGA 775 | Socket | BGA 1380 |
VT-x | Virtualization | VT-x, VT-x EPT |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | |
Q1/2009 | Release date | Q2/2014 |
-- | Release price | -- |
show more data | show more data | |
Intel Pentium E5400
2C 2T @ 2.70 GHz |
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Intel Atom Z3785
4C 4T @ 2.41 GHz |
Intel Pentium E5400
2C 2T @ 2.70 GHz |
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Intel Atom Z3785
4C 4T @ 1.49 GHz |
Intel Pentium E5400
@ 0.00 GHz |
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Intel Atom Z3785
Intel HD Graphics (Bay Trail GT1) @ 0.83 GHz |
Intel Pentium E5400
2C 2T @ 2.70 GHz |
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Intel Atom Z3785
4C 4T @ 1.49 GHz |
Intel Pentium E5400
2C 2T @ 2.70 GHz |
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Intel Atom Z3785
4C 4T @ 1.49 GHz |
Devices using this processor |
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Intel Pentium E5400 | Intel Atom Z3785 |
Unknown | Unknown |