Intel Atom Z3736F vs Intel Core2 Duo E8400

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CPU comparison with benchmarks


Intel Atom Z3736F CPU1 vs CPU2 Intel Core2 Duo E8400
Intel Atom Z3736F Intel Core2 Duo E8400

CPU comparison

Intel Atom Z3736F or Intel Core2 Duo E8400 - 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 Z3736F has 4 cores with 4 threads and clocks with a maximum frequency of 2.16 GHz. Up to 2 GB of memory is supported in 1 memory channels. The Intel Atom Z3736F was released in Q2/2014.

The Intel Core2 Duo E8400 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E8400 was released in Q1/2008.
Intel Atom (108) Family Intel Core2 Duo (29)
Intel Atom Z3700 (16) CPU group Intel Core 2 Duo E7000/E8000 (14)
4 Generation 2
Bay Trail Architecture Wolfdale (Penryn)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3736F is a 4 core processor with a clock frequency of 1.33 GHz (2.16 GHz). The Intel Core2 Duo E8400 has 2 CPU cores with a clock frequency of 3.00 GHz.

Intel Atom Z3736F Characteristic Intel Core2 Duo E8400
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? Yes
1.33 GHz Frequency 3.00 GHz
2.16 GHz Turbo Frequency (1 Core) --
-- 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 Atom Z3736F Characteristic Intel Core2 Duo E8400
-- AI hardware --
-- AI specifications --

Internal Graphics

The 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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.31 GHz GPU frequency --
0.65 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
2 Max. displays
4 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 DirectX Version --

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 (Bay Trail GT1) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Atom Z3736F supports a maximum of 2 GB of memory in 1 memory channels. The Intel Core2 Duo E8400 can connect up to 16 GB of memory in 2 memory channels.

Intel Atom Z3736F Characteristic Intel Core2 Duo E8400
DDR3L-1333 Memory DDR3-1333, DDR2-1066
2 GB Max. Memory 16 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache 6.00 MB
2.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom Z3736F has a TDP of 4 W, that of the Intel Core2 Duo E8400 is 65 W.

Intel Atom Z3736F Characteristic Intel Core2 Duo E8400
4 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom Z3736F has a 2.00 MB cache, while the Intel Core2 Duo E8400 cache has a total of 6.00 MB.

Intel Atom Z3736F Characteristic Intel Core2 Duo E8400
22 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions MMX, SSE, SSE2, SSE3, SSE 4.1
BGA 592 Socket LGA 775
VT-x, VT-x EPT Virtualization VT-x
Yes AES-NI No
Operating systems Windows 10, Linux
Q2/2014 Release date Q1/2008
20 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Atom Z3736F to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:
Here you can rate the Intel Core2 Duo E8400 to help other visitors make their purchasing decisions. The average rating is 4.6 stars (11 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom Z3736F (44%)
Intel Core2 Duo E8400 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom Z3736F (57%)
Intel Core2 Duo E8400 (100%)

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 Atom Z3736F Intel Atom Z3736F
4C 4T @ 2.16 GHz
209 (44%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
473 (100%)

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 Atom Z3736F Intel Atom Z3736F
4C 4T @ 1.33 GHz
584 (69%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
841 (100%)

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 Atom Z3736F Intel Atom Z3736F
4C 4T @ 1.33 GHz
502 (44%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
1129 (100%)

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 Atom Z3736F Intel Atom Z3736F
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (100%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Atom Z3736F Intel Atom Z3736F
4C 4T @ 1.33 GHz
0 (0%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
252 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Atom Z3736F Intel Atom Z3736F
4C 4T @ 1.33 GHz
0 (0%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
465 (100%)

Devices using this processor

Intel Atom Z3736F Intel Core2 Duo E8400
Unknown Unknown

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