Core 2 Duo E6550 vs A6-7400K

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Aggregate performance score

A6-7400K
2014
2 cores / 2 threads, 65 Watt
1.03
+80.7%
Core 2 Duo E6550
2007
2 cores / 2 threads, 65 Watt
0.57

A6-7400K outperforms Core 2 Duo E6550 by an impressive 81% based on our aggregate benchmark results.

Primary details

Comparing A6-7400K and Core 2 Duo E6550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24532834
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.500.83
Architecture codenameKaveri (2014−2015)Conroe (2006−2007)
Release date31 July 2014 (10 years ago)July 2007 (17 years ago)

Detailed specifications

A6-7400K and Core 2 Duo E6550 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 speed3.5 GHz2.33 GHz
Boost clock speed3.9 GHz2.33 GHz
Bus rateno data1333 MHz
L1 cache128 KB64 KB
L2 cache1024 KB4 MB
L3 cacheno data0 KB
Chip lithography28 nm65 nm
Die size245 mm2143 mm2
Maximum core temperature70 °C72 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million291 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on A6-7400K and Core 2 Duo E6550 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
SocketFM2+PLGA775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-7400K and Core 2 Duo E6550. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-
FRTC+-
FreeSync+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-
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

A6-7400K and Core 2 Duo E6550 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-7400K and Core 2 Duo E6550 are enumerated here.

AMD-V+-
VT-xno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-7400K and Core 2 Duo E6550. 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 R5 Graphicsno data
iGPU core count4no data
จำนวนพาธไลน์256no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-7400K and Core 2 Duo E6550 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-7400K and Core 2 Duo E6550 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A6-7400K and Core 2 Duo E6550.

PCIe version3.0no data
PCI Express lanes16no 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.

A6-7400K 1.03
+80.7%
Core 2 Duo E6550 0.57

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.

A6-7400K 1640
+82.6%
Core 2 Duo E6550 898

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.

A6-7400K 398
+53.1%
Core 2 Duo E6550 260

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.

A6-7400K 560
+29.9%
Core 2 Duo E6550 431

Gaming performance

Pros & cons summary


Performance score 1.03 0.57
Chip lithography 28 nm 65 nm

A6-7400K has a 80.7% higher aggregate performance score, and a 132.1% more advanced lithography process.

The A6-7400K is our recommended choice as it beats the Core 2 Duo E6550 in performance tests.


Should you still have questions on choice between A6-7400K and Core 2 Duo E6550, ask them in Comments section, and we shall answer.

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AMD A6-7400K
A6-7400K
Intel Core 2 Duo E6550
Core 2 Duo E6550

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Community ratings

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Questions & comments

Here you can ask a question about A6-7400K or Core 2 Duo E6550, agree or disagree with our judgements, or report an error or mismatch.