Intel Celeron E3400 vs Intel Core2 Duo E8400

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CPU comparison with benchmarks


Intel Celeron E3400 CPU1 vs CPU2 Intel Core2 Duo E8400
Intel Celeron E3400 Intel Core2 Duo E8400

CPU comparison

Intel Celeron E3400 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 Celeron E3400 has 2 cores with 2 threads and clocks with a maximum frequency of 2.60 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Celeron E3400 was released in Q1/2010.

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 Celeron (165) Family Intel Core2 Duo (29)
Intel Celeron E3000 (3) CPU group Intel Core 2 Duo E7000/E8000 (14)
1 Generation 2
Wolfdale (Penryn) Architecture Wolfdale (Penryn)
Desktop Segment Desktop
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron E3400 is a 2 core processor with a clock frequency of 2.60 GHz. The Intel Core2 Duo E8400 has 2 CPU cores with a clock frequency of 3.00 GHz.

Intel Celeron E3400 Characteristic Intel Core2 Duo E8400
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
2.60 GHz Frequency 3.00 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Celeron E3400 Characteristic Intel Core2 Duo E8400
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- 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.

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

Memory & PCIe

The Intel Celeron E3400 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core2 Duo E8400 can connect up to 16 GB of memory in 2 memory channels.

Intel Celeron E3400 Characteristic Intel Core2 Duo E8400
DDR3-1066, DDR2-800 Memory DDR3-1333, DDR2-1066
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
1.00 MB L2 Cache 6.00 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 Celeron E3400 has a TDP of 65 W, that of the Intel Core2 Duo E8400 is 65 W.

Intel Celeron E3400 Characteristic Intel Core2 Duo E8400
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Celeron E3400 has a 1.00 MB cache, while the Intel Core2 Duo E8400 cache has a total of 6.00 MB.

Intel Celeron E3400 Characteristic Intel Core2 Duo E8400
45 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions MMX, SSE, SSE2, SSE3, SSE 4.1
LGA 775 Socket LGA 775
VT-x Virtualization VT-x
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2010 Release date Q1/2008
42 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Celeron E3400 to help other visitors make their purchasing decisions. The average rating is 2.0 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 4.5 stars (15 ratings). Rate now:

Average performance in benchmarks

Single core performance in 1 CPU benchmarks
Intel Celeron E3400 (75%)
Intel Core2 Duo E8400 (100%)
Multi core performance in 3 CPU benchmarks
Intel Celeron E3400 (79%)
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 Celeron E3400 Intel Celeron E3400
2C 2T @ 2.60 GHz
355 (75%)
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 Celeron E3400 Intel Celeron E3400
2C 2T @ 2.60 GHz
624 (74%)
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 Celeron E3400 Intel Celeron E3400
2C 2T @ 2.60 GHz
846 (75%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
1129 (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 Celeron E3400 Intel Celeron E3400
2C 2T @ 2.60 GHz
412 (89%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
465 (100%)

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 Celeron E3400 Intel Celeron E3400
2C 2T @ 2.60 GHz
0 (0%)
Intel Core2 Duo E8400 Intel Core2 Duo E8400
2C 2T @ 3.00 GHz
252 (100%)

Devices using this processor

Intel Celeron E3400 Intel Core2 Duo E8400
Unknown Unknown

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