Core 2 Duo SP9400 vs Core i5-8400

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Aggregate performance score

Core i5-8400
2017
6 cores / 6 threads, 65 Watt
5.97
+985%

Core i5-8400 outperforms Core 2 Duo SP9400 by a whopping 985% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8400 and Core 2 Duo SP9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking10312716
Place by popularity88not in top-100
Cost-effectiveness evaluation9.96no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5Intel Core 2 Duo
Architecture codenameCoffee Lake-S (2017−2018)Penryn (2008−2011)
Release date24 September 2017 (6 years ago)20 August 2008 (15 years ago)
Launch price (MSRP)$182$284
Current price$140 (0.8x MSRP)$284 (1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400 and Core 2 Duo SP9400 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 cores6 (Hexa-Core)2 (Dual-core)
Threads62
Base clock speed2.8 GHz2.4 GHz
Boost clock speed4 GHz2.4 GHz
Bus support4 × 8 GT/s1066 MHz
L1 cache384 KBno data
L2 cache1.5 MB6 MB
L3 cache9 MB (shared)6 MB L2 Cache
Chip lithography14 nm45 nm
Die size149 mm2107 mm2
Maximum core temperature100 °C105 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data410 Million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierNoNo

Compatibility

Information on Core i5-8400 and Core 2 Duo SP9400 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 configuration1no data
SocketFCLGA1151BGA956
Power consumption (TDP)65 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Core 2 Duo SP9400. 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+no data
AVX+no data
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology--
TSX-no data
Idle States+-
Thermal Monitoring+no data
SIPP-no data
Demand Based Switchingno data-
FSB parityno data-
StatusDiscontinuedDiscontinued

Security technologies

Core i5-8400 and Core 2 Duo SP9400 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400 and Core 2 Duo SP9400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Core 2 Duo SP9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4no data
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth41.6 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+no data
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400 and Core 2 Duo SP9400 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Core 2 Duo SP9400 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 i5-8400 and Core 2 Duo SP9400 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400 and Core 2 Duo SP9400.

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.

i5-8400 5.97
+985%
Core 2 Duo SP9400 0.55

Core i5-8400 outperforms Core 2 Duo SP9400 by 985% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

i5-8400 9234
+980%
Core 2 Duo SP9400 855

Core i5-8400 outperforms Core 2 Duo SP9400 by 980% in Passmark.

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.

Benchmark coverage: 20%

i5-8400 6364
+205%
Core 2 Duo SP9400 2083

Core i5-8400 outperforms Core 2 Duo SP9400 by 205% in Cinebench 10 32-bit single-core.

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.

Benchmark coverage: 19%

i5-8400 30790
+679%
Core 2 Duo SP9400 3950

Core i5-8400 outperforms Core 2 Duo SP9400 by 679% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

i5-8400 9474
+360%
Core 2 Duo SP9400 2059

Core i5-8400 outperforms Core 2 Duo SP9400 by 360% in 3DMark06 CPU.

Gaming performance

Pros & cons summary


Performance score 5.97 0.55
Recency 24 September 2017 20 August 2008
Physical cores 6 2
Threads 6 2
Cost $182 $284
Chip lithography 14 nm 45 nm
Power consumption (TDP) 65 Watt 25 Watt

The Core i5-8400 is our recommended choice as it beats the Core 2 Duo SP9400 in performance tests.

Note that Core i5-8400 is a desktop processor while Core 2 Duo SP9400 is a notebook one.


Should you still have questions on choice between Core i5-8400 and Core 2 Duo SP9400, ask them in Comments section, and we shall answer.

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Intel Core i5-8400
Core i5-8400
Intel Core 2 Duo SP9400
Core 2 Duo SP9400

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Community ratings

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Questions & comments

Here you can ask a question about Core i5-8400 or Core 2 Duo SP9400, agree or disagree with our judgements, or report an error or mismatch.