Core 2 Duo E7400 vs A6-6400K

VS

Aggregate performance score

A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95
+43.9%
Core 2 Duo E7400
2008
2 cores / 2 threads, 65 Watt
0.66

A6-6400K outperforms Core 2 Duo E7400 by a considerable 44% based on our aggregate benchmark results.

Primary details

Comparing A6-6400K and Core 2 Duo E7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25192760
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)no data
Power efficiency1.380.96
Architecture codenameRichland (2013−2014)Wolfdale (2008−2010)
Release date1 June 2013 (11 years ago)October 2008 (16 years ago)

Detailed specifications

A6-6400K and Core 2 Duo E7400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed3.9 GHz2.8 GHz
Boost clock speed4.1 GHz2.8 GHz
Bus rateno data1066 MHz
L1 cache96 KB64 KB
L2 cache1024 KB3 MB (shared)
L3 cache0 KB0 KB
Chip lithography32 nm45 nm
Die size246 mm282 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)70 °C74 °C
Number of transistors1,178 million228 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on A6-6400K and Core 2 Duo E7400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFM2LGA775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Core 2 Duo E7400. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0no data
AES-NI+-
FMAFMA4-
AVX+-
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

A6-6400K and Core 2 Duo E7400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Core 2 Duo E7400 are enumerated here.

AMD-V+-
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Core 2 Duo E7400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR1, DDR2, DDR3
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 8470Dno data
จำนวนพาธไลน์192no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-6400K and Core 2 Duo E7400 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-6400K and Core 2 Duo E7400 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Core 2 Duo E7400.

PCIe version2.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A6-6400K 0.95
+43.9%
Core 2 Duo E7400 0.66

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-6400K 1502
+44.3%
Core 2 Duo E7400 1041

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

A6-6400K 410
+28.9%
Core 2 Duo E7400 318

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

A6-6400K 576
+12.5%
Core 2 Duo E7400 512

Gaming performance

Pros & cons summary


Performance score 0.95 0.66
Chip lithography 32 nm 45 nm

A6-6400K has a 43.9% higher aggregate performance score, and a 40.6% more advanced lithography process.

The A6-6400K is our recommended choice as it beats the Core 2 Duo E7400 in performance tests.


Should you still have questions on choice between A6-6400K and Core 2 Duo E7400, ask them in Comments section, and we shall answer.

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AMD A6-6400K
A6-6400K
Intel Core 2 Duo E7400
Core 2 Duo E7400

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Community ratings

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Questions & comments

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