Intel Core i3-1115G4E vs Intel Atom Z3745

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CPU comparison with benchmarks


Intel Core i3-1115G4E CPU1 vs CPU2 Intel Atom Z3745
Intel Core i3-1115G4E Intel Atom Z3745

CPU comparison

Intel Core i3-1115G4E or Intel Atom Z3745 - 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 Core i3-1115G4E has 2 cores with 4 threads and clocks with a maximum frequency of 3.90 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i3-1115G4E was released in Q3/2020.

The Intel Atom Z3745 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Intel Atom Z3745 was released in Q1/2014.
Intel Core i3 (205) Family Intel Atom (108)
Intel Core i 1100G/11000U (19) CPU group Intel Atom Z3700 (16)
11 Generation 4
Tiger Lake U Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-1115G4E has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i3-1115G4E is 2.20 GHz (3.90 GHz) while the Intel Atom Z3745 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3745 is at 1.33 GHz (1.86 GHz).

Intel Core i3-1115G4E Characteristic Intel Atom Z3745
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.20 GHz Frequency 1.33 GHz
3.90 GHz Turbo Frequency (1 Core) 1.86 GHz
3.90 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i3-1115G4E Characteristic Intel Atom Z3745
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i3-1115G4E or Intel Atom Z3745 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.

Intel UHD Graphics (Tiger Lake G4) GPU Intel HD Graphics (Bay Trail GT1)
0.30 GHz GPU frequency 0.31 GHz
1.25 GHz GPU (Turbo) 0.78 GHz
11 GPU Generation 7
10 nm Technology 22 nm
4 Max. displays 2
48 Compute units 4
384 Shader 32
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 2 GB
12 DirectX Version 11.2

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.

Intel UHD Graphics (Tiger Lake G4) GPU Intel HD Graphics (Bay Trail GT1)
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The Intel Core i3-1115G4E can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 59.6 GB/s. The Intel Atom Z3745 supports up to 4 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s.

Intel Core i3-1115G4E Characteristic Intel Atom Z3745
LPDDR4X-3733, DDR4-3200 Memory LPDDR3-1066
64 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
59.6 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 2.00 MB
4.0 PCIe version --
4 PCIe lanes --
7.9 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i3-1115G4E is 15 W, while the Intel Atom Z3745 has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i3-1115G4E Characteristic Intel Atom Z3745
15 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
28 W TDP up --
12 W TDP down --
100 °C Tjunction max. 90 °C

Technical details

The Intel Core i3-1115G4E is manufactured in 10 nm and has 6.00 MB cache. The Intel Atom Z3745 is manufactured in 22 nm and has a 2.00 MB cache.

Intel Core i3-1115G4E Characteristic Intel Atom Z3745
10 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2
BGA 1449 Socket BGA 1380
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems
Q3/2020 Release date Q1/2014
313 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i3-1115G4E (100%)
Intel Atom Z3745 (15%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i3-1115G4E (100%)
Intel Atom Z3745 (18%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i3-1115G4E Intel Core i3-1115G4E
2C 4T @ 3.90 GHz
1248 (100%)
Intel Atom Z3745 Intel Atom Z3745
4C 4T @ 1.86 GHz
182 (15%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-1115G4E Intel Core i3-1115G4E
2C 4T @ 3.90 GHz
2428 (100%)
Intel Atom Z3745 Intel Atom Z3745
4C 4T @ 1.33 GHz
598 (25%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i3-1115G4E Intel Core i3-1115G4E
Intel UHD Graphics (Tiger Lake G4) @ 1.25 GHz
960 (100%)
Intel Atom Z3745 Intel Atom Z3745
Intel HD Graphics (Bay Trail GT1) @ 0.78 GHz
50 (5%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i3-1115G4E Intel Core i3-1115G4E
2C 4T @ 3.90 GHz
5834 (100%)
Intel Atom Z3745 Intel Atom Z3745
4C 4T @ 1.33 GHz
621 (11%)

Devices using this processor

Intel Core i3-1115G4E Intel Atom Z3745
Unknown Unknown

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