Core 2 Duo T9400

Details and Benchmarks for Intel Core 2 Duo T9400

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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 T9400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,203 Rank: 1674
Rank Name Score Visual
1670 Celeron B840 4,205
+0%
1671 Xeon E5506 4,204
+0%
1672 Athlon II X3 425 4,204
+0%
1673 A6-3650 4,203
+0%
1674 Core 2 Duo T9400 4,203
1675 Core 2 Duo P8700 4,203
+0%
1676 Celeron 2950M 4,203
+0%
1677 Celeron B815 4,202
+-0%
1678 Celeron E3500 4,200
-0.1%
1679 Athlon X4 730 4,200
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core 2 Duo T9400 based on multi-threaded benchmark results.

4,293 Rank: 1776
Rank Name Score Visual
1772 Celeron 3205U 4,295
+0%
1773 Core 2 Duo P9500 4,294
+0%
1774 Phenom II X3 720 4,293
+0%
1775 A6-3620 4,293
+0%
1776 Core 2 Duo T9400 4,293
1777 Core 2 Duo E6750 4,293
+0%
1778 A4-3300 4,291
+-0%
1779 Celeron N2930 4,291
+-0%
1780 E2-9000e 4,291
+-0%
1781 Phenom X3 8750 4,291
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Core 2 Duo T9400 based on single-threaded benchmark results.

4,143 Rank: 1639
Rank Name Score Visual
1635 Core i5-450M 4,145
+0%
1636 Pentium E5300 4,144
+0%
1637 A4-3420 4,144
+0%
1638 Core i5-3339Y 4,143
+0%
1639 Core 2 Duo T9400 4,143
1640 Xeon E5506 4,142
+-0%
1641 Celeron E3500 4,142
+-0%
1642 A8-3820 4,142
+-0%
1643 Intel Core i3-390M 4,137
-0.1%
1644 FX-9800P 4,137
-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 Core 2 Duo T9400 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 T9400 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 T9400 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 T9400 Details

The Intel Core 2 Duo T9400 stands as a testament to the mobile computing era of the late 2000s, a time when dual-core processors began to redefine performance in laptops. Launched in July 2008, this processor was part of Intel's Penryn architecture, built on a 45 nm process and featuring 410 million transistors. Despite its age, the T9400 remains a relevant example of mid-range mobile computing from its generation, offering a balance of performance and efficiency that was well-suited for business and multimedia use at the time. As of March 2026, the T9400 is considered obsolete by modern standards, yet its design and capabilities reflect a significant step forward in Intel's mobile processor roadmap.

At the heart of the T9400 is a dual-core architecture, with each core operating at a base frequency of 2.53 GHz, though the turbo frequency is listed as 2.3 GHz—a somewhat unusual specification that may reflect limited or no turbo boosting in the design. The processor operates at a 1066 MHz bus speed and uses a 9.5x clock multiplier, which is locked, limiting overclocking potential. With a 6 MB L2 cache and 64-bit support, the T9400 leverages Intel's enhanced memory architecture to deliver solid single-threaded performance. It supports DDR3 1066/1333 memory across a dual-channel interface, enabling a maximum memory bandwidth of 21.3 GB/s and a max memory capacity of 16 GB.

Integrated graphics are provided through Intel's HD Graphics, which features a base frequency of 650 MHz and a burst frequency of up to 1050 MHz. This GPU supports up to two displays and is integrated into select motherboard chipsets, including the GS45, GM45, and PM45. While modest by today's standards, this integrated solution was sufficient for basic multimedia playback and light graphics tasks in its time. The processor operates within a thermal envelope of 35 W, making it suitable for thin-and-light laptops, and it uses the BGA479 and PGA478 sockets, common in mobile platforms of the era.

The T9400 supports a wide range of Intel technologies, including SSE4.1 and SSE4.2, AES-NI encryption, and Intel VT-x virtualization. It also includes features such as Enhanced SpeedStep (EIST) for dynamic power management and TXT for secure boot. Despite lacking simultaneous multithreading, the processor’s single-threaded performance remains competitive among its peers. Its overall score of 4203 places it at #1673 out of 2060 processors, with a single-core score of 4143 and a multicore score of 4293. These results indicate that the T9400 is slightly behind some contemporary dual-core designs but still holds its own in basic computing workloads.

In comparison to its contemporaries, the T9400 is closely matched with processors like the Core 2 Duo P9500 and Celeron 3205U, though it trails behind newer architectures in both single- and multicore performance. Its performance is significantly below today’s top-tier CPUs, such as the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K, which dominate the top 50 rankings with scores over 8,000. Still, the T9400 remains a viable option for legacy systems, educational use, or as a reference in understanding the evolution of mobile CPU design. While it no longer competes in modern benchmarks, its role in shaping the dual-core mobile landscape remains noteworthy.
Frequently Compared

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Intel Core 2 Duo T9400

Main Specifications

Designer: Intel
Name: Core 2 Duo T9400
Model Number: T9400
Cores: 2
Threads: 2
Base Frequency: 2530 MHz
Clock Multiplier: 9.5xx (locked)
Core Name: Penryn
Socket: BGA479, PGA478
Package: µFC-PGA8
Target Segment: Mobile
Max CPUs: 1
TDP: 35 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 5.722 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: 16
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 1050 MHz

Physical Specifications

Process: 45 nm
Die Area: 107 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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