Intel Core2 Duo E4400 vs Intel Celeron 3867U

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CPU comparison with benchmarks


Intel Core2 Duo E4400 CPU1 vs CPU2 Intel Celeron 3867U
Intel Core2 Duo E4400 Intel Celeron 3867U

CPU comparison

Intel Core2 Duo E4400 or Intel Celeron 3867U - 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 Core2 Duo E4400 has 2 cores with 2 threads and clocks with a maximum frequency of 2.00 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Duo E4400 was released in Q3/2007.

The Intel Celeron 3867U has 2 cores with 2 threads and clocks with a maximum frequency of 1.80 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Celeron 3867U was released in Q1/2019.
Intel Core2 Duo (29) Family Intel Celeron (165)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Celeron 3000 (10)
1 Generation 7
Conroe (Core) Architecture Kaby Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E4400 is a 2 core processor with a clock frequency of 2.00 GHz. The Intel Celeron 3867U has 2 CPU cores with a clock frequency of 1.80 GHz.

Intel Core2 Duo E4400 Characteristic Intel Celeron 3867U
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.00 GHz Frequency 1.80 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 Core2 Duo E4400 Characteristic Intel Celeron 3867U
-- 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.

no iGPU GPU Intel HD Graphics 610
GPU frequency 0.30 GHz
-- GPU (Turbo) 0.90 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12

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.

no iGPU GPU Intel HD Graphics 610
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core2 Duo E4400 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Celeron 3867U can connect up to 32 GB of memory in 2 memory channels.

Intel Core2 Duo E4400 Characteristic Intel Celeron 3867U
DDR3-1333, DDR2-1066 Memory LPDDR3-1866, DDR4-2133, DDR3L-1600
16 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
2.00 MB L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version 3.0
-- PCIe lanes 12
-- PCIe Bandwidth 11.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core2 Duo E4400 has a TDP of 65 W, that of the Intel Celeron 3867U is 15 W.

Intel Core2 Duo E4400 Characteristic Intel Celeron 3867U
65 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Intel Core2 Duo E4400 has a 2.00 MB cache, while the Intel Celeron 3867U cache has a total of 2.00 MB.

Intel Core2 Duo E4400 Characteristic Intel Celeron 3867U
65 nm Technology 14 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 1356
VT-x Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2007 Release date Q1/2019
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E4400 (61%)
Intel Celeron 3867U (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core2 Duo E4400 (53%)
Intel Celeron 3867U (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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
292 (61%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
480 (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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
532 (57%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
936 (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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
632 (49%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
1290 (100%)

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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
0 (0%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
389 (100%)

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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
0 (0%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
674 (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 Core2 Duo E4400 Intel Core2 Duo E4400
@ 0.00 GHz
0 (0%)
Intel Celeron 3867U Intel Celeron 3867U
Intel HD Graphics 610 @ 0.90 GHz
173 (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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
312 (100%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
0 (0%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
71 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
0 (0%)
Intel Celeron 3867U Intel Celeron 3867U
2C 2T @ 1.80 GHz
139 (100%)

Devices using this processor

Intel Core2 Duo E4400 Intel Celeron 3867U
Unknown Unknown

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