Pentium E5400

Details and Benchmarks for Intel Pentium E5400

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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 Pentium E5400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,185 Rank: 1701
Rank Name Score Visual
1697 Phenom II X3 705e 4,188
+0.1%
1698 Core i3-4005U 4,187
+0%
1699 A9-9410 4,186
+0%
1700 Pentium 2117U 4,185
+0%
1701 Pentium E5400 4,185
1702 A8-5550M 4,183
+-0%
1703 Core 2 Duo P8600 4,183
+-0%
1704 Core i5-430M 4,182
-0.1%
1705 Xeon W3503 4,181
-0.1%
1706 Core M-5Y10a 4,180
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Pentium E5400 based on multi-threaded benchmark results.

4,217 Rank: 1991
Rank Name Score Visual
1987 V140 4,220
+0.1%
1988 C-70 4,220
+0.1%
1989 C-60 4,218
+0%
1990 Xeon E5405 4,217
+0%
1991 Pentium E5400 4,217
1992 Core 2 Duo T7200 4,216
+-0%
1993 Xeon E5504 4,215
+-0%
1994 C-50 4,214
-0.1%
1995 Core 2 Duo E7500 4,213
-0.1%
1996 Athlon X2 4850e 4,213
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Pentium E5400 based on single-threaded benchmark results.

4,163 Rank: 1619
Rank Name Score Visual
1615 Pentium 3825U 4,166
+0.1%
1616 Core i3-2310M 4,165
+0%
1617 Core 2 Duo P9600 4,165
+0%
1618 Core i7-2635QM 4,163
+0%
1619 Pentium E5400 4,163
1620 A4-3400 4,162
+-0%
1621 Core 2 Duo E8200 4,162
+-0%
1622 Intel Core i7-840QM 4,160
-0.1%
1623 Celeron 1000M 4,160
-0.1%
1624 Core i3-4005U 4,159
-0.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Pentium E5400 based on integer math, floating point math, and prime number computation benchmarks.

4,487 Rank: 1629
Rank Name Score Visual
1625 Pentium 997 4,487
+0%
1626 Athlon II X2 255 4,487
+0%
1627 Athlon II X2 250 4,487
+0%
1628 Pentium E6300 4,487
+0%
1629 Pentium E5400 4,487
1630 Celeron 2957U 4,487
+0%
1631 Celeron N3150 4,487
+0%
1632 A6-1450 4,487
+0%
1633 Pentium P6100 4,486
+-0%
1634 Pentium N3510 4,486
+-0%

View full ranking →

Data Processing

Aggregated score for Pentium E5400 based on data encryption, data compression, and string sorting benchmarks.

4,461 Rank: 1595
Rank Name Score Visual
1591 Pentium 4410Y 4,462
+0%
1592 Athlon II X2 240e 4,462
+0%
1593 Pentium 3550M 4,461
+0%
1594 Athlon II X2 215 4,461
+0%
1595 Pentium E5400 4,461
1596 A4-5000 4,461
+0%
1597 A4-4020 4,461
+0%
1598 E2-6110 4,461
+0%
1599 Celeron J3355 4,460
+-0%
1600 Xeon W3505 4,460
+-0%

View full ranking →

Physics & Compute

Aggregated score for Pentium E5400 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,457 Rank: 1679
Rank Name Score Visual
1675 A4-3305M 4,458
+0%
1676 A4-3300M 4,458
+0%
1677 E2-9000e 4,458
+0%
1678 Atom x5-Z8350 4,458
+0%
1679 Pentium E5400 4,457
1680 Atom x5-Z8330 4,457
+0%
1681 Pentium E5200 4,456
+-0%
1682 A6-4455M 4,456
+-0%
1683 Celeron 857 4,455
+-0%
1684 Celeron 847 4,455
+-0%

View full ranking →

Pentium E5400 Details

As of March 2026, the Intel Pentium E5400 represents a legacy processor from the late 2000s, reflecting the era when dual-core desktop computing was becoming mainstream. Launched in January 2009, it belongs to the Pentium Dual-Core lineup and is based on the Wolfdale microarchitecture, manufactured on a 65 nm process. Despite its age, the E5400 remains a notable example of Intel's strategy to deliver affordable multi-core performance for general computing tasks during a pivotal time in PC evolution.

The processor features two cores with a base clock of 2.7 GHz, a L2 cache of 1.907 MiB, and a TDP of 65 W, which was typical for its time. It operates on the LGA775 socket and supports dual-channel DDR3 memory up to 1600 MHz, with a maximum system memory capacity of 32 GB and a memory bandwidth of 25.6 GB/s. The integrated HD Graphics solution, while not powerful by modern standards, provides basic display output support on compatible motherboards, with a maximum of three displays and a GPU base frequency of 350 MHz. The processor also supports a range of instruction sets including SSE4.1 and SSE4.2, enhancing multimedia and general-purpose performance.

In benchmark evaluations, the Pentium E5400 scores 4185 overall, placing it at #1700 out of 2060 processors in the Passmark ranking. Its single-core score of 4163 ranks it #1618, while the multicore score of 4217 places it at #1990. These results highlight that the E5400 is significantly outperformed by modern CPUs, even in the low-end segment. For instance, it trails behind contemporary processors like the A9-9410 (AMD) and Core i3-4005U (Intel), which have similar or lower scores but are built on far more advanced architectures.

The E5400's performance is most comparable to mid-2000s dual-core processors such as the Core 2 Duo P8600 and the Athlon X2 4850e, but it falls short of newer budget options like the Celeron G1610 and the A4-3400. Its single-core performance is modest, and its multicore capabilities are limited by its two-core design and lack of modern features such as Hyper-Threading. However, the processor remains viable for legacy systems, light office tasks, or as a cost-effective upgrade in older motherboards that support LGA775.

In conclusion, the Intel Pentium E5400 is a product of its time—a reliable, energy-efficient dual-core processor that provided solid value in the late 2000s. While it is now obsolete by modern standards, it still holds relevance in niche applications such as retro computing, educational use, or as a low-cost solution in embedded systems. For users seeking anything beyond basic productivity, a more recent processor would be strongly recommended.
Frequently Compared

AMD Ryzen Threadripper 2920X 28 views

Intel Core i9-7920X 27 views

Intel Core M 5Y10a 26 views

Intel Core i3-4370 24 views

Intel Core 2 Duo E8600 24 views

AMD A8-7200P 23 views

AMD Ryzen 9 3900X 22 views

Intel Celeron G530 21 views

AMD Ryzen Threadripper 2950X 20 views

AMD Ryzen 5 3500X 16 views

Intel Pentium E5400

Main Specifications

Designer: Intel
Name: Pentium E5400
Model Number: E6850
Cores: 2
Threads: 2
Base Frequency: 3000 MHz
Clock Multiplier: 13.5xx (locked)
Core Name: Wolfdale
Socket: PLGA775
Package: FC-LGA8
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 1.907 MiB

Memory Specifications

Supported Memory Type: DDR3/L/-RS 1333/1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 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: 1000 MHz

Physical Specifications

Process: 65 nm
Die Area: 82 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 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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