Core 2 Duo L9400

Details and Benchmarks for Intel Core 2 Duo L9400

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core 2 Duo L9400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,071 Rank: 1834
Rank Name Score Visual
1830 Athlon 64 X2 5600+ 4,074
+0.1%
1831 Athlon II X2 235e 4,073
+0%
1832 Turion II Mobile M500 4,072
+0%
1833 Athlon II P320 4,071
+0%
1834 Core 2 Duo L9400 4,071
1835 Phenom II X3 700e 4,071
+0%
1836 Celeron 900 4,069
+-0%
1837 Turion II Neo N54L 4,067
-0.1%
1838 Athlon 5350 4,060
-0.3%
1839 A4-3320M 4,059
-0.3%

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Multicore Score

Multicore performance score for Core 2 Duo L9400 based on multi-threaded benchmark results.

4,245 Rank: 1922
Rank Name Score Visual
1918 Core i5-4200U 4,246
+0%
1919 Core 2 Duo T6600 4,246
+0%
1920 Celeron N2830 4,246
+0%
1921 Sempron LE-1250 4,246
+0%
1922 Core 2 Duo L9400 4,245
1923 Celeron 430 4,245
+0%
1924 Athlon 64 X2 4200+ 4,245
+0%
1925 Atom D2500 4,244
+-0%
1926 Athlon 64 3200+ 4,243
+-0%
1927 Atom D2700 4,243
+-0%

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Singlecore Score

Single-core performance score for Core 2 Duo L9400 based on single-threaded benchmark results.

3,955 Rank: 1793
Rank Name Score Visual
1789 Athlon 64 X2 6000+ 3,960
+0.1%
1790 Celeron 2957U 3,958
+0.1%
1791 A10-7400P 3,957
+0.1%
1792 Core 2 Duo T7400 3,957
+0.1%
1793 Core 2 Duo L9400 3,955
1794 Xeon E5320 3,952
-0.1%
1795 Intel Pentium P6300 3,948
-0.2%
1796 FX-7500 3,948
-0.2%
1797 Celeron 3855U 3,947
-0.2%
1798 Celeron 3205U 3,947
-0.2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core 2 Duo L9400 based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for Core 2 Duo L9400 based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for Core 2 Duo L9400 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Core 2 Duo L9400 Details

For users seeking a capable dual-core processor with integrated graphics for basic computing tasks, the Core 2 Duo L9400 offers a modest solution rooted in early 2000s design principles. Released during a period when dual-core performance was becoming mainstream, this processor is now considered obsolete, with its 65 nm manufacturing process and LGA775 socket reflecting a bygone era of desktop computing. As of March 2026, the Core 2 Duo L9400 has largely been superseded by modern architectures that deliver vastly superior performance and efficiency. Nevertheless, it remains a relic of Intel’s transition toward multi-core processing and energy-efficient designs.

Built on the Penryn microarchitecture, the Core 2 Duo L9400 features two cores and four threads via Hyper-Threading, allowing it to handle light multitasking. It operates at a base frequency of 2.2 GHz, with a turbo frequency of up to 1.86 GHz—though the latter appears to be a misaligned specification, as turbo frequencies were not standard for this generation. The processor supports DDR3 800 memory with a maximum capacity of 8 GB across two channels, achieving a memory bandwidth of 12.8 GB/s. With a TDP of 65 W, it was designed for standard desktop systems, though it lacks the power efficiency of modern low-voltage alternatives.

The integrated Intel HD Graphics GPU runs at a base frequency of 166 MHz and can burst to 500 MHz, supporting up to two displays. While adequate for basic multimedia and office work, it offers no meaningful performance for gaming or video editing. The processor supports a range of Intel-specific technologies, including SSE4.1, SSE4.2, AES-NI, AVX2, and Intel vPro, making it suitable for legacy business environments that require virtualization and remote management. However, it lacks ECC memory support, limiting its use in server or workstation settings.

Benchmark results place the Core 2 Duo L9400 in the lower tier of modern CPU performance. It achieves an Overall Score of 4071, ranking #1833 out of 2060 processors, with Singlecore and Multicore Scores of 3955 and 4245, respectively. These scores place it behind numerous modern low-end and mid-range CPUs, including Atom and Celeron models, highlighting its limited competitiveness in today’s landscape. While it outperforms some older processors like the Athlon 64 X2 5400+, it falls short of contemporary dual-core designs in both single-threaded and multi-threaded workloads.

In conclusion, the Core 2 Duo L9400 is best suited for legacy systems or low-demand environments where power efficiency and cost are prioritized over performance. Its age and architectural limitations make it impractical for modern applications, but it remains a historical marker of Intel’s dual-core evolution. For users today, it serves as a reminder of how far processor design has advanced in the past decade.
Frequently Compared

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AMD Athlon II X2 270 2 views

AMD Phenom II X2 560 2 views

Intel Core 2 Duo L9400

Main Specifications

Designer: Intel
Name: Core 2 Duo L9400
Model Number: E2200
Cores: 2
Threads: 4
Base Frequency: 2200 MHz
Socket: LGA775
Max CPUs: 1
TDP: 65 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 800
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 12.8 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 16
PCIe Configuration: 1x16

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 500 MHz

Physical Specifications

Process: 65 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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