Intel Core2 Duo E6400 vs Intel Core i3-1215UL

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CPU comparison with benchmarks


Intel Core2 Duo E6400 CPU1 vs CPU2 Intel Core i3-1215UL
Intel Core2 Duo E6400 Intel Core i3-1215UL

CPU comparison

In this CPU comparison, we compare the Intel Core2 Duo E6400 and the Intel Core i3-1215UL and use benchmarks to check which processor is faster.

We compare the Intel Core2 Duo E6400 2 core processor released in Q3/2006 with the Intel Core i3-1215UL which has 6 CPU cores and was introduced in Q3/2022.
Intel Core2 Duo (29) Family Intel Core i3 (205)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Core i 1200P/1200U (21)
1 Generation 12
Conroe (Core) Architecture Alder Lake U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E6400 is a 2 core processor with a clock frequency of 2.13 GHz. The processor can compute 2 threads at the same time. The Intel Core i3-1215UL clocks with 2.50 GHz (4.40 GHz), has 6 CPU cores and can calculate 8 threads in parallel.
Intel Core2 Duo E6400 Characteristic Intel Core i3-1215UL
2 Cores 6
2 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
Yes Overclocking ? No
2.13 GHz A-Core 2.50 GHz (4.40 GHz)
2x Golden Cove
-- B-Core 0.90 GHz (3.30 GHz)
4x Gracemont

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 E6400 Characteristic Intel Core i3-1215UL
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.
no iGPU GPU Intel Iris Xe Graphics 64 (Alder Lake)
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 13
Technology 10 nm
Max. displays 4
-- Compute units 64
-- Shader 512
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.1

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 Iris Xe Graphics 64 (Alder Lake)
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
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core2 Duo E6400, while the Intel Core i3-1215UL supports a maximum of 64 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.
Intel Core2 Duo E6400 Characteristic Intel Core i3-1215UL
DDR3-1333, DDR2-1066 Memory DDR5-4800, DDR4-3200
16 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 76.8 GB/s
No ECC No
2.00 MB L2 Cache 4.50 MB
-- L3 Cache 10.00 MB
-- PCIe version 4.0
-- PCIe lanes 28
-- PCIe Bandwidth 55.1 GB/s

Thermal Management

The Intel Core2 Duo E6400 has a TDP of 65 W. The TDP of the Intel Core i3-1215UL is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
Intel Core2 Duo E6400 Characteristic Intel Core i3-1215UL
65 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
-- TDP up 28 W
-- TDP down 12 W
-- Tjunction max. 100 °C

Technical details

The Intel Core2 Duo E6400 has 2.00 MB cache and is manufactured in 65 nm. The cache of Intel Core i3-1215UL is at 14.50 MB. The processor is manufactured in 10 nm.
Intel Core2 Duo E6400 Characteristic Intel Core i3-1215UL
65 nm Technology 10 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, AVX2
LGA 775 Socket BGA 1744
VT-x Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2006 Release date Q3/2022
-- Release price --
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Rate these processors

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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 E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
295 (100%)
Intel Core i3-1215UL Intel Core i3-1215UL
6C 8T @ 4.40 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 E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
534 (100%)
Intel Core i3-1215UL Intel Core i3-1215UL
6C 8T @ 3.10 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 E6400 Intel Core2 Duo E6400
@ 0.00 GHz
0 (0%)
Intel Core i3-1215UL Intel Core i3-1215UL
Intel Iris Xe Graphics 64 (Alder Lake) @ 1.10 GHz
1091 (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 E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
772 (100%)
Intel Core i3-1215UL Intel Core i3-1215UL
6C 8T @ 3.10 GHz
0 (0%)

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 E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
337 (100%)
Intel Core i3-1215UL Intel Core i3-1215UL
6C 8T @ 2.50 GHz
0 (0%)

Devices using this processor
Intel Core2 Duo E6400 Intel Core i3-1215UL
Unknown Unknown

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