Intel Core2 Duo E4400 vs Intel Celeron 1020M

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CPU comparison with benchmarks


Intel Core2 Duo E4400 CPU1 vs CPU2 Intel Celeron 1020M
Intel Core2 Duo E4400 Intel Celeron 1020M

CPU comparison

Intel Core2 Duo E4400 or Intel Celeron 1020M - 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 1020M has 2 cores with 2 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Celeron 1020M was released in Q1/2013.
Intel Core2 Duo (29) Family Intel Celeron (165)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Celeron 1000 (9)
1 Generation 3
Conroe (Core) Architecture Ivy Bridge 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 1020M has 2 CPU cores with a clock frequency of 2.10 GHz.
Intel Core2 Duo E4400 Characteristic Intel Celeron 1020M
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.00 GHz Frequency 2.10 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 Core2 Duo E4400 Characteristic Intel Celeron 1020M
-- 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 Intel HD Graphics (Ivy Bridge GT1)
GPU frequency 0.65 GHz
-- GPU (Turbo) 1.00 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 3
-- Compute units 6
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.0

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 (Ivy Bridge GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The Intel Core2 Duo E4400 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Celeron 1020M can connect up to 32 GB of memory in 2 memory channels.
Intel Core2 Duo E4400 Characteristic Intel Celeron 1020M
DDR3-1333, DDR2-1066 Memory DDR3L-1600, DDR3-1600
16 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
2.00 MB L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 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 1020M is 35 W.
Intel Core2 Duo E4400 Characteristic Intel Celeron 1020M
65 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 105 °C

Technical details

The Intel Core2 Duo E4400 has a 2.00 MB cache, while the Intel Celeron 1020M cache has a total of 2.00 MB.
Intel Core2 Duo E4400 Characteristic Intel Celeron 1020M
65 nm Technology 22 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 PGA 988
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 Q1/2013
-- Release price --
show more data show more data


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Here you can rate the Intel Celeron 1020M to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Core2 Duo E4400 (0%)
Intel Celeron 1020M (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core2 Duo E4400 (50%)
Intel Celeron 1020M (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 (50%)
Intel Celeron 1020M Intel Celeron 1020M
2C 2T @ 2.10 GHz
1265 (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 (100%)
Intel Celeron 1020M Intel Celeron 1020M
2C 2T @ 2.10 GHz
0 (0%)

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 (100%)
Intel Celeron 1020M Intel Celeron 1020M
2C 2T @ 2.10 GHz
0 (0%)

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 1020M Intel Celeron 1020M
Intel HD Graphics (Ivy Bridge GT1) @ 1.00 GHz
96 (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 1020M Intel Celeron 1020M
2C 2T @ 2.10 GHz
0 (0%)

Devices using this processor
Intel Core2 Duo E4400 Intel Celeron 1020M
Unknown Unknown

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