Core i3-1315U vs Core 2 Duo P8400

VS

Aggregate performance score

Core 2 Duo P8400
2008
2 cores / 2 threads, 25 Watt
0.54
Core i3-1315U
2023
6 cores / 8 threads, 15 Watt
7.82
+1348%

Core i3-1315U outperforms Core 2 Duo P8400 by a whopping 1348% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo P8400 and Core i3-1315U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2841954
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Raptor Lake-U
Power efficiency2.0148.42
Architecture codenamePenryn (2008−2011)Raptor Lake-U (2023)
Release date15 July 2008 (16 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$209$309

Detailed specifications

Core 2 Duo P8400 and Core i3-1315U 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)6 (Hexa-Core)
Threads28
Base clock speed2.26 GHz1.2 GHz
Boost clock speed2.26 GHz4.5 GHz
Bus rate1066 MHzno data
L1 cache128 KB80K (per core)
L2 cache3 MB1.25 MB (per core)
L3 cache3 MB L2 Cache10 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size107 mm2no data
Maximum core temperature105 °C100 °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 i3-1315U 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,PGA478FCBGA1744
Power consumption (TDP)25 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Core i3-1315U. 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)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switching-no data
FSB parity-no data
Deep Learning Boost-+

Security technologies

Core 2 Duo P8400 and Core i3-1315U 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 P8400 and Core i3-1315U 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 P8400 and Core i3-1315U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory sizeno data96 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® UHD Graphics for 13th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data64

Graphics interfaces

Available interfaces and connections of Core 2 Duo P8400 and Core i3-1315U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core 2 Duo P8400 and Core i3-1315U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core 2 Duo P8400 and Core i3-1315U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo P8400 and Core i3-1315U.

PCIe versionno data4.0
PCI Express lanesno data8

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 0.54
i3-1315U 7.82
+1348%

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
i3-1315U 12191
+1336%

Gaming performance

Pros & cons summary


Performance score 0.54 7.82
Recency 15 July 2008 4 January 2023
Physical cores 2 6
Threads 2 8
Power consumption (TDP) 25 Watt 15 Watt

i3-1315U has a 1348.1% higher aggregate performance score, an age advantage of 14 years, 200% more physical cores and 300% more threads, and 66.7% lower power consumption.

The Core i3-1315U is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.


Should you still have questions on choice between Core 2 Duo P8400 and Core i3-1315U, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P8400
Core 2 Duo P8400
Intel Core i3-1315U
Core i3-1315U

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core 2 Duo P8400 or Core i3-1315U, agree or disagree with our judgements, or report an error or mismatch.