Core 2 Duo E6400 vs Core i5-5300U

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Aggregate performance score

Core i5-5300U
2015
2 cores / 4 threads, 15 Watt
1.72
+251%
Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49

Core i5-5300U outperforms Core 2 Duo E6400 by a whopping 251% based on our aggregate benchmark results.

Primary details

Comparing Core i5-5300U and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20492902
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency10.860.71
Architecture codenameBroadwell-U (2015)Conroe (2006−2007)
Release date1 March 2015 (9 years ago)July 2006 (18 years ago)
Launch price (MSRP)$281no data

Detailed specifications

Core i5-5300U and Core 2 Duo E6400 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)
Threads42
Base clock speed2.3 GHz2.13 GHz
Boost clock speed2.9 GHz2.13 GHz
Bus rate5 GT/s1066 MHz
L1 cache64K (per core)64 KB
L2 cache256K (per core)2 MB
L3 cache3 MB (shared)0 KB
Chip lithography14 nm65 nm
Die size82 mm2143 mm2
Maximum core temperature105 °C61 °C
Maximum case temperature (TCase)105 °Cno data
Number of transistors1300 Million291 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Core i5-5300U and Core 2 Duo E6400 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
SocketFCBGA1168LGA775,PLGA775
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-5300U and Core 2 Duo E6400. 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+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
Demand Based Switchingno data-
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Core i5-5300U and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
Identity Protection+-
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-5300U and Core 2 Duo E6400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-5300U and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 5500no data
Max video memory16 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency900 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-5300U and Core 2 Duo E6400 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Graphics image quality

Maximum display resolutions supported by Core i5-5300U and Core 2 Duo E6400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.42560X1600@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data

Graphics API support

APIs supported by Core i5-5300U and Core 2 Duo E6400 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i5-5300U and Core 2 Duo E6400.

PCIe version2.0no data
PCI Express lanes12no 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.

i5-5300U 1.72
+251%
Core 2 Duo E6400 0.49

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.

i5-5300U 2729
+250%
Core 2 Duo E6400 780

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.

i5-5300U 831
+257%
Core 2 Duo E6400 233

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.

i5-5300U 1587
+324%
Core 2 Duo E6400 374

Gaming performance

Pros & cons summary


Performance score 1.72 0.49
Threads 4 2
Chip lithography 14 nm 65 nm
Power consumption (TDP) 15 Watt 65 Watt

i5-5300U has a 251% higher aggregate performance score, 100% more threads, a 364.3% more advanced lithography process, and 333.3% lower power consumption.

The Core i5-5300U is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Be aware that Core i5-5300U is a notebook processor while Core 2 Duo E6400 is a desktop one.


Should you still have questions on choice between Core i5-5300U and Core 2 Duo E6400, ask them in Comments section, and we shall answer.

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Intel Core i5-5300U
Core i5-5300U
Intel Core 2 Duo E6400
Core 2 Duo E6400

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Community ratings

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Questions & comments

Here you can ask a question about Core i5-5300U or Core 2 Duo E6400, agree or disagree with our judgements, or report an error or mismatch.