Core 2 Duo E6550 vs Core i5-7400

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Aggregate performance score

Core i5-7400
2017
4 cores / 4 threads, 65 Watt
3.54
+510%

i5-7400 outperforms Core 2 Duo E6550 by a whopping 510% based on our aggregate benchmark results.

Primary details

Comparing Core i5-7400 and Core 2 Duo E6550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking15182788
Place by popularity58not in top-100
Cost-effectiveness evaluation1.33no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Architecture codenameKaby Lake (2016−2019)Conroe (2006−2007)
Release date3 January 2017 (7 years ago)July 2007 (17 years ago)
Launch price (MSRP)$182no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-7400 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed3 GHz2.33 GHz
Boost clock speed3.5 GHz2.33 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/s1333 MHz
Multiplier30no data
L1 cache256 KB64 KB
L2 cache1 MB4 MB
L3 cache6 MB (shared)0 KB
Chip lithography14 nm65 nm
Die sizeno data143 mm2
Maximum core temperature100 °C72 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data291 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Core i5-7400 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 configuration1 (Uniprocessor)1
SocketFCLGA1151PLGA775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7400 and Core 2 Duo E6550. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switchingno data-
FSB parityno data-
StatusDiscontinuedDiscontinued

Security technologies

Core i5-7400 and Core 2 Duo E6550 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7400 and Core 2 Duo E6550 are enumerated here.

VT-d+no data
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7400 and Core 2 Duo E6550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR1, DDR2, DDR3
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-7400 and Core 2 Duo E6550 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-7400 and Core 2 Duo E6550 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-7400 and Core 2 Duo E6550 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7400 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.

i5-7400 3.54
+510%
Core 2 Duo E6550 0.58

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.

i5-7400 5473
+512%
Core 2 Duo E6550 894

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.

i5-7400 1193
+359%
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.

i5-7400 3278
+661%
Core 2 Duo E6550 431

Gaming performance

Pros & cons summary


Performance score 3.54 0.58
Physical cores 4 2
Threads 4 2
Chip lithography 14 nm 65 nm

i5-7400 has a 510.3% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 364.3% more advanced lithography process.

The Core i5-7400 is our recommended choice as it beats the Core 2 Duo E6550 in performance tests.


Should you still have questions on choice between Core i5-7400 and Core 2 Duo E6550, ask them in Comments section, and we shall answer.

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Intel Core i5-7400
Core i5-7400
Intel Core 2 Duo E6550
Core 2 Duo E6550

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Community ratings

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Questions & comments

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