Pentium 6805 vs Core 2 Duo E6400

Aggregate performance score

Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49
Pentium 6805
2020
2 cores / 4 threads, 15 Watt
2.79
+469%

Pentium 6805 outperforms Core 2 Duo E6400 by a whopping 469% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E6400 and Pentium 6805 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28871683
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency0.7117.60
Architecture codenameConroe (2006−2007)Ice Lake-Y (2020)
Release dateJuly 2006 (18 years ago)1 October 2020 (4 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Core 2 Duo E6400 and Pentium 6805 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)
Threads24
Base clock speed2.13 GHz1.1 GHz
Boost clock speed2.13 GHz3 GHz
Bus rate1066 MHzno data
L1 cache64 KB80 KB (per core)
L2 cache2 MB256 KB (per core)
L3 cache0 KB4 MB (shared)
Chip lithography65 nm10 nm
Die size143 mm2123 mm2
Maximum core temperature61 °C100 °C
Number of transistors291 millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6400 and Pentium 6805 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
SocketLGA775,PLGA775FCBGA1526
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Pentium 6805. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E6400 and Pentium 6805 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Pentium 6805 are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Pentium 6805. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-3200, LPDDR4-3733
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 10th Gen Intel Processors
Graphics max frequencyno data850 MHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Core 2 Duo E6400 and Pentium 6805 integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Pentium 6805.

PCIe versionno data3.0

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.

Core 2 Duo E6400 0.49
Pentium 6805 2.79
+469%

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.

Core 2 Duo E6400 780
Pentium 6805 4424
+467%

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.

Core 2 Duo E6400 233
Pentium 6805 1194
+412%

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.

Core 2 Duo E6400 374
Pentium 6805 2168
+480%

Gaming performance

Pros & cons summary


Performance score 0.49 2.79
Threads 2 4
Chip lithography 65 nm 10 nm
Power consumption (TDP) 65 Watt 15 Watt

Pentium 6805 has a 469.4% higher aggregate performance score, 100% more threads, a 550% more advanced lithography process, and 333.3% lower power consumption.

The Pentium 6805 is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Note that Core 2 Duo E6400 is a desktop processor while Pentium 6805 is a notebook one.


Should you still have questions on choice between Core 2 Duo E6400 and Pentium 6805, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E6400
Core 2 Duo E6400
Intel Pentium 6805
Pentium 6805

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Community ratings

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Questions & comments

Here you can ask a question about Core 2 Duo E6400 or Pentium 6805, agree or disagree with our judgements, or report an error or mismatch.