Core 2 Duo E7400

Details and Benchmarks for Intel Core 2 Duo E7400

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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 E7400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,125 Rank: 1777
Rank Name Score Visual
1773 Core 2 Duo E8400 4,129
+0.1%
1774 A4-3300M 4,127
+0%
1775 A8-4500M 4,126
+0%
1776 Celeron E3200 4,126
+0%
1777 Core 2 Duo E7400 4,125
1778 Core 2 Duo T6500 4,123
+-0%
1779 Pentium 3556U 4,123
+-0%
1780 Core 2 Duo P7450 4,121
-0.1%
1781 Pentium E5200 4,120
-0.1%
1782 Core 2 Duo T6400 4,119
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core 2 Duo E7400 based on multi-threaded benchmark results.

4,011 Rank: 2057
Rank Name Score Visual
2051 Core 2 Duo E4500 4,062
+1.3%
2052 Intel Core i7-640UM 4,050
+1%
2053 Intel Core i7-820QM 4,035
+0.6%
2054 Athlon 64 X2 5200+ 4,029
+0.4%
2055 Athlon 64 X2 5000+ 4,017
+0.1%
2056 Core 2 Duo T9500 4,015
+0.1%
2057 Core 2 Duo E7400 4,011
2058 Celeron 857 3,978
-0.8%
2059 Core 2 Duo L9600 3,952
-1.5%
2060 Pentium 4 3.00GHz 3,734
-6.9%

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Singlecore Score

Single-core performance score for Core 2 Duo E7400 based on single-threaded benchmark results.

4,201 Rank: 1572
Rank Name Score Visual
1568 Celeron J4025 4,210
+0.2%
1569 Athlon II X3 435 4,208
+0.2%
1570 Xeon 5160 4,208
+0.2%
1571 A10-5757M 4,203
+0%
1572 Core 2 Duo E7400 4,201
1573 A8-3870K 4,200
+-0%
1574 Phenom II X3 B75 4,200
+-0%
1575 Pentium Silver N5000 4,199
+-0%
1576 Intel Core i7-640LM 4,199
+-0%
1577 Athlon II X2 B24 4,199
+-0%

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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 E7400 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 E7400 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 E7400 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 E7400 Details

The Intel Core 2 Duo E7400 was designed for mainstream desktop users seeking reliable performance during the late 2000s, particularly those who needed a balance between cost and efficiency without the need for high-end graphics or advanced multi-threading capabilities. Released in October 2008, this processor is now considered a legacy device, as it predates the modern era of multi-core computing and advanced instruction sets. Built on Intel's 45 nm Wolfdale architecture, the E7400 features a dual-core design with a base clock of 2.8 GHz and a 10.5x multiplier, operating at 65 W TDP, which was typical for its time. Despite its age, it remains a notable example of Intel's transition to more power-efficient and high-performance dual-core processors for the consumer market.

The Core 2 Duo E7400 is based on the Wolfdale microarchitecture, a refined version of the earlier Conroe design, offering improved power efficiency and performance. It uses the LGA775 socket, which was widely adopted in desktop systems of that era. The processor supports dual-channel DDR3 memory up to 1333 MHz with a maximum memory bandwidth of 21.3 GB/s and can handle up to 16 GB of system memory. It includes 3 MB of L2 cache, distributed as 1.43 MB per core, enhancing data access speed. While it lacks integrated graphics in its standard configuration, some motherboards with compatible chipsets could enable basic graphics functionality through Intel's HD Graphics solution, though this was not a standard feature.

In terms of performance, the Core 2 Duo E7400 achieves an overall score of 4125, placing it at rank #1777 among 2060 processors, with a single-core score of 4201 and a multicore score of 4011. These results reflect its position as a capable mid-range performer for its generation but place it far behind modern processors. Its single-core performance is particularly strong relative to its peers, ranking #1572, indicating that it was competitive in applications that relied on single-threaded execution. However, its multicore performance, ranked #2057, highlights the limitations of its dual-core design when compared to contemporary and modern CPUs.

The processor supports a wide range of technologies, including SSE2, SSE3, SSE4.1, and SSE4.2, along with AES encryption and 64-bit x86-64 capabilities. It also includes Intel's Enhanced SpeedStep Technology (EIST) for dynamic power management, which helps reduce energy consumption during idle states. While it lacks Hyper-Threading, its locked multiplier limits overclocking potential, making it less appealing to enthusiasts. Despite these constraints, the E7400 was a popular choice for budget and mid-tier desktop builds during its lifespan.

As of March 2026, the Core 2 Duo E7400 is best suited for legacy systems, retro computing projects, or as a low-power solution in embedded environments where modern performance is not required. It may still function adequately for basic office tasks, web browsing, and media playback, but it is no longer competitive with today’s processors in gaming, content creation, or demanding computational workloads. Its primary legacy lies in representing the peak of Intel’s dual-core desktop offerings before the rise of quad-core and beyond.
Frequently Compared

AMD A9-9425 5 views

AMD Ryzen 5 3500X 4 views

Intel Xeon E5-2667 v4 4 views

Intel Celeron J3455 4 views

AMD A10-4600M 3 views

AMD Athlon II X2 265 3 views

AMD A6-5400K 3 views

AMD Athlon II X2 270 3 views

Intel Xeon W3505 3 views

Intel Celeron G530 3 views

Intel Core 2 Duo E7400

Main Specifications

Designer: Intel
Name: Core 2 Duo E7400
Model Number: E7400
Cores: 2
Threads: 2
Base Frequency: 2800 MHz
Clock Multiplier: 10.5xx (locked)
Core Name: Wolfdale
Socket: LGA775
Package: FC-LGA6
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 2.861 MiB

Memory Specifications

Supported Memory Type: DDR3 1066/1333
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 21.3 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 1100 MHz

Physical Specifications

Process: 45 nm
Die Area: 82 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 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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