CPU comparison with benchmarks
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CPU lineage |
Intel Atom Z3740 or Intel Atom Z3740 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes. The Intel Atom Z3740 features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q3/2013 and belongs to the 4 generation of the Intel Atom series. To use the Intel Atom Z3740, you'll need a motherboard with a BGA 1380 socket. The AMD EPYC Embedded 3451 features 16 processor cores and has the capability to manage 32 threads concurrently. It was released in Q1/2018 and belongs to the 1 generation of the AMD EPYC series. To use the AMD EPYC Embedded 3451, you'll need a motherboard with a SP4 socket.
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4 |
Generation |
1 |
Intel Atom |
Family |
AMD EPYC |
Intel Atom Z3700 |
Group |
AMD EPYC Embedded 3000 |
Intel Atom Z3740 |
Name |
AMD EPYC Embedded 3451 |
Mobile |
Segment |
Desktop / Server |
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CPU Cores and Base Frequency |
The Intel Atom Z3740 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom Z3740 is 1.33 GHz and turbo frequency for one core is 1.86 GHz. The AMD EPYC Embedded 3451 has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD EPYC Embedded 3451 is 2.14 GHz and turbo frequency for one core is 3.0 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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4 |
CPU Cores |
16 |
4 |
Threads |
32 |
1.86 GHz |
Turbo Frequency (1 core) |
3.0 GHz |
1.33 GHz |
Frequency |
2.14 GHz |
4x |
Cores |
16x |
normal |
Core architecture |
normal |
No |
Overclocking |
Yes |
No |
Hyperthreading |
Yes |
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Internal Graphics |
The Intel Atom Z3740 has integrated graphics, called iGPU for short. Specifically, the Intel Atom Z3740 uses the Intel HD Graphics (Bay Trail GT1), which has 32 texture shaders and 4 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. The AMD EPYC Embedded 3451 does not have integrated graphics.
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7 |
Generation |
-- |
Q3/2013 |
Release date |
-- |
-- |
Max. displays |
-- |
4 |
Execution units |
-- |
32 |
Shaders |
-- |
0.67 GHz |
GPU (Turbo) |
-- |
0.31 GHz |
GPU frequency |
-- |
22 nm |
Technology |
-- |
Intel HD Graphics (Bay Trail GT1) |
GPU name |
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2.0 GB |
Max. GPU Memory |
0 bytes |
11.2 |
Direct X |
-- |
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Artificial Intelligence and Machine Learning |
-- |
AI specifications |
-- |
-- |
AI hardware |
-- |
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Hardware codec support |
A 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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Decode |
JPEG |
-- |
Decode / Encode |
h264 |
-- |
No |
AV1 |
-- |
No |
VP9 |
-- |
No |
h265 / HEVC (10 bit) |
-- |
Decode / Encode |
AVC |
-- |
No |
h265 / HEVC (8 bit) |
-- |
No |
VP8 |
-- |
Decode |
VC-1 |
-- |
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Memory & PCIe |
The processor supports a maximum memory capacity of 4.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 17.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance. The processor supports a maximum memory capacity of 1.0 TB distributed across 4 memory channels. It offers a peak memory bandwidth of 85.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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2 |
Memory channels |
4 |
4.0 GB |
Max. Memory |
1.0 TB |
LPDDR3-1066 |
Memory type |
DDR4-2666 |
Yes |
AES-NI |
Yes |
17.1 GB/s |
Bandwidth |
85.3 GB/s |
No |
ECC |
Yes |
pci |
PCIe |
pci |
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Thermal Management |
The processor has a thermal design power (TDP) of 4 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 100 W watts.
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4 W |
TDP (PL1 / PBP) |
100 W |
90 °C |
Tjunction max |
105 °C |
None |
TDP down |
80 W |
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Technical details |
The Intel Atom Z3740 is manufactured using a 22 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 2.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The AMD EPYC Embedded 3451 is manufactured using a 14 nm process. In total, this processor boasts a generous 32.0 MB cache.
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Q3/2013 |
Release date |
Q1/2018 |
Bay Trail |
Architecture |
Snowy Owl (Zen) |
Technical data sheet |
Documents |
Technical data sheet |
VT-x, VT-x EPT |
Virtualization |
AMD-V, SVM |
Monolithic |
Chip design |
Chiplet |
2.0 MB |
L3-Cache |
32.0 MB |
SSE4.1, SSE4.2 |
ISA extensions |
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 |
22 nm |
Technology |
14 nm |
BGA 1380 |
Socket |
SP4 |
x86-64 (64 bit) |
Instruction set (ISA) |
x86-64 (64 bit) |
-- |
Part Number |
-- |
-- |
Release price |
-- |
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Operating systems |
Windows 10, Linux |
0 bytes |
L2-Cache |
8.0 MB |
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