Core 2 Duo E4400

Details and Benchmarks for Intel Core 2 Duo E4400

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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 E4400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,013 Rank: 1878
Rank Name Score Visual
1874 E1-1500 4,016
+0.1%
1875 Athlon 64 X2 4800+ 4,016
+0.1%
1876 Celeron N3350 4,013
+0%
1877 A10-4655M 4,013
+0%
1878 Core 2 Duo E4400 4,013
1879 A6-3400M 4,012
+-0%
1880 Celeron J3355 4,011
+-0%
1881 Celeron E1500 4,010
-0.1%
1882 Athlon II M320 4,007
-0.1%
1883 Phenom X3 8750 4,007
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core 2 Duo E4400 based on multi-threaded benchmark results.

4,225 Rank: 1972
Rank Name Score Visual
1968 Athlon II P340 4,227
+0%
1969 Pentium T4500 4,226
+0%
1970 Sempron 140 4,226
+0%
1971 Core 2 Duo T5850 4,225
+0%
1972 Core 2 Duo E4400 4,225
1973 E1-1200 4,225
+0%
1974 A4-1250 4,225
+0%
1975 Intel Celeron J3060 4,224
+-0%
1976 Core 2 Duo T6570 4,224
+-0%
1977 E1-2100 4,224
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Core 2 Duo E4400 based on single-threaded benchmark results.

3,872 Rank: 1848
Rank Name Score Visual
1844 Intel Celeron P4600 3,875
+0.1%
1845 Pentium 4410Y 3,873
+0%
1846 Athlon II P360 3,873
+0%
1847 Phenom II X3 700e 3,873
+0%
1848 Core 2 Duo E4400 3,872
1849 Athlon II X4 605e 3,872
+0%
1850 Core 2 Duo T7700 3,870
-0.1%
1851 Celeron 450 3,870
-0.1%
1852 A4-7210 3,869
-0.1%
1853 Athlon 64 X2 4600+ 3,865
-0.2%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Core 2 Duo E4400 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 E4400 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 E4400 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 E4400 Details

For users seeking a budget-friendly desktop processor with integrated graphics support, the Intel Core 2 Duo E4400 offers a glimpse into an earlier era of computing performance. Released in July 2007, this processor is now over 16 years old, placing it firmly in the category of legacy hardware. Despite its age, it remains notable for its time, built on Intel's Allendale microarchitecture and fabricated using a 65 nm process. The E4400 features two cores and four threads, a configuration that was common during its era, though it lacks modern features like AVX-512 or SMT for improved multithreading efficiency. It operates at a base frequency of 2.0 GHz, with a turbo frequency of 1.86 GHz, and includes 2 MB of L2 cache to support faster data access. The processor uses a 65 W TDP and is compatible with the LGA775 socket, making it a direct upgrade path for older motherboards supporting this interface. Memory support includes DDR1, DDR2, and DDR3 with a dual-channel configuration, allowing for a maximum of 4 GB of system memory at a bandwidth of 17.1 GB/s.

The integrated graphics capabilities of the Core 2 Duo E4400 are limited, as it does not include a GPU on the processor die. However, some motherboards with compatible chipsets can provide integrated graphics through the chipset, offering basic display output options. The processor supports up to two displays and features a burst frequency of 500 MHz for graphics processing, though this is not sufficient for modern gaming or graphics-intensive tasks. Despite this limitation, the E4400 includes a range of instruction set extensions, such as SSE3, SSSE3, and SSE4.1, which were relevant at the time of its release but fall short of current standards.

In benchmark testing, the Core 2 Duo E4400 scores 4,013 overall, placing it at #1876 out of 2060 processors in the ranking. Its single-core performance is rated at 3,872, ranking #1848, while its multicore score stands at 4,225, ranking #1971. These scores reflect a processor that was competitive in its time but is now significantly outpaced by modern CPUs. The E4400 shares benchmarks with other older processors, such as the Pentium T4500 and Athlon II P340, which have nearly identical performance metrics. However, it trails behind more advanced chips like the Core i3 540 and the Intel Celeron J3060, which offer higher performance despite similar pricing and power characteristics.

The E4400's performance is not competitive in today's computing landscape, where modern processors like the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K dominate the top rankings with scores exceeding 8,000. Even entry-level modern processors outperform the E4400 in both single-core and multicore tasks, making it unsuitable for modern applications such as video editing, 3D rendering, or gaming. However, the processor can still be useful in legacy systems, retro computing setups, or for tasks that do not require high computational power. As of March 2026, the Core 2 Duo E4400 serves primarily as a historical artifact, representing a time when dual-core processors began to dominate the mainstream market.
Frequently Compared

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AMD A10-4600M 3 views

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AMD A6-5400K 2 views

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Intel Core 2 Duo E4400

Main Specifications

Designer: Intel
Name: Core 2 Duo E4400
Model Number: E4400
Cores: 2
Threads: 4
Base Frequency: 2000 MHz
Clock Multiplier: 10x (locked)
Core Name: Allendale
Socket: LGA775
Package: FC-LGA6
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W

Cache Specifications

Memory Specifications

Supported Memory Type: LPDDR3 1066
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 17.1 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1X1

Integrated Graphics

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

Physical Specifications

Process: 65 nm
Die Area: 111 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a SHA AMD-Vi AMD-V TSME SenseMI Boost 2 TSX SMT Flex Memory SME SEV FMA
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