Intel Core i7-3667U vs Intel Atom Z3735E

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CPU comparison with benchmarks


Intel Core i7-3667U CPU1 vs CPU2 Intel Atom Z3735E
Intel Core i7-3667U Intel Atom Z3735E

CPU comparison

Intel Core i7-3667U or Intel Atom Z3735E - 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 i7-3667U has 2 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-3667U was released in Q2/2012.

The Intel Atom Z3735E has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. The CPU supports up to 1 GB of memory in 1 memory channels. The Intel Atom Z3735E was released in Q1/2014.
Intel Core i7 (293) Family Intel Atom (101)
Intel Core i 3000U (12) CPU group Intel Atom Z3700 (16)
3 Generation 4
Ivy Bridge U Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-3667U has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i7-3667U is 2.00 GHz (3.20 GHz) while the Intel Atom Z3735E has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3735E is at 1.33 GHz (1.83 GHz).

Intel Core i7-3667U Characteristic Intel Atom Z3735E
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.00 GHz Frequency 1.33 GHz
3.20 GHz Turbo Frequency (1 Core) 1.83 GHz
3.00 GHz Turbo Frequency (All Cores) 1.83 GHz

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 i7-3667U Characteristic Intel Atom Z3735E
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-3667U or Intel Atom Z3735E 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 HD Graphics 4000 GPU Intel HD Graphics (Bay Trail GT1)
0.35 GHz GPU frequency 0.31 GHz
1.15 GHz GPU (Turbo) 0.65 GHz
7 GPU Generation 7
22 nm Technology 22 nm
3 Max. displays 2
16 Compute units 4
128 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.0 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 HD Graphics 4000 GPU Intel HD Graphics (Bay Trail 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 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Core i7-3667U can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Atom Z3735E supports up to 1 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 5.3 GB/s.

Intel Core i7-3667U Characteristic Intel Atom Z3735E
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 Memory DDR3L-1333
32 GB Max. Memory 1 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
25.6 GB/s Max. Bandwidth 5.3 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 2.00 MB
2.0 PCIe version --
16 PCIe lanes --
8.0 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-3667U is 17 W, while the Intel Atom Z3735E has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-3667U Characteristic Intel Atom Z3735E
17 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-3667U is manufactured in 22 nm and has 4.00 MB cache. The Intel Atom Z3735E is manufactured in 22 nm and has a 2.00 MB cache.

Intel Core i7-3667U Characteristic Intel Atom Z3735E
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
BGA 1023 Socket BGA 138
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q2/2012 Release date Q1/2014
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

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 i7-3667U Intel Core i7-3667U
2C 4T @ 3.20 GHz
628 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
172 (27%)

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 i7-3667U Intel Core i7-3667U
2C 4T @ 3.00 GHz
1328 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
200 (15%)

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 i7-3667U Intel Core i7-3667U
Intel HD Graphics 4000 @ 1.15 GHz
294 (100%)
Intel Atom Z3735E Intel Atom Z3735E
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (14%)

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 i7-3667U Intel Core i7-3667U
2C 4T @ 3.00 GHz
2382 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
557 (23%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-3667U Intel Core i7-3667U
2C 4T @ 3.20 GHz
588 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-3667U Intel Core i7-3667U
2C 4T @ 3.00 GHz
1218 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3667U Intel Core i7-3667U
2C 4T @ 3.20 GHz
202 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3667U Intel Core i7-3667U
2C 4T @ 3.00 GHz
420 (100%)
Intel Atom Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
0 (0%)

Devices using this processor

Intel Core i7-3667U Intel Atom Z3735E
Unknown Unknown

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