Core i3-10100 vs Core 2 Duo P8400

Aggregate performance score

Core 2 Duo P8400
2008
2 cores / 2 threads, 25 Watt
0.53
Core i3-10100
2020
4 cores / 8 threads, 65 Watt
5.45
+928%

Core i3-10100 outperforms Core 2 Duo P8400 by a whopping 928% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo P8400 and Core i3-10100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28441155
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data17.73
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency2.017.93
Architecture codenamePenryn (2008−2011)Comet Lake-S (2020)
Release date15 July 2008 (16 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$209$130

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo P8400 and Core i3-10100 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)4 (Quad-Core)
Threads28
Base clock speed2.26 GHz3.6 GHz
Boost clock speed2.26 GHz4.3 GHz
Bus rate1066 MHz8 GT/s
L1 cache128 KB64K (per core)
L2 cache3 MB256K (per core)
L3 cache3 MB L2 Cache6 MB (shared)
Chip lithography45 nm14 nm
Die size107 mm2126 mm2
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors410 Millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range1.05V-1.15Vno data

Compatibility

Information on Core 2 Duo P8400 and Core i3-10100 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 configurationno data1
SocketBGA479,PBGA479,PGA478FCLGA1200
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Core i3-10100. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring-+
Demand Based Switching-no data
Turbo Boost Max 3.0no data-
FSB parity-no data

Security technologies

Core 2 Duo P8400 and Core i3-10100 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P8400 and Core i3-10100 are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and Core i3-10100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Duo P8400 and Core i3-10100 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core 2 Duo P8400 and Core i3-10100 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core 2 Duo P8400 and Core i3-10100 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo P8400 and Core i3-10100.

PCIe versionno data3.0
PCI Express lanesno data16

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 P8400 0.53
i3-10100 5.45
+928%

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 P8400 849
i3-10100 8650
+919%

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 P8400 280
i3-10100 1436
+413%

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 P8400 468
i3-10100 4236
+805%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo P8400 2497
i3-10100 6863
+175%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo P8400 4630
i3-10100 26903
+481%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo P8400 34.2
i3-10100 6.34
+439%

Gaming performance

Pros & cons summary


Performance score 0.53 5.45
Recency 15 July 2008 30 April 2020
Physical cores 2 4
Threads 2 8
Chip lithography 45 nm 14 nm
Power consumption (TDP) 25 Watt 65 Watt

Core 2 Duo P8400 has 160% lower power consumption.

i3-10100, on the other hand, has a 928.3% higher aggregate performance score, an age advantage of 11 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

The Core i3-10100 is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.

Be aware that Core 2 Duo P8400 is a notebook processor while Core i3-10100 is a desktop one.


Should you still have questions on choice between Core 2 Duo P8400 and Core i3-10100, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P8400
Core 2 Duo P8400
Intel Core i3-10100
Core i3-10100

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Community ratings

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Questions & comments

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