Core 2 Duo T9400 vs Core i5-6300U

Aggregate performance score

Core i5-6300U
2015
2 cores / 4 threads, 15 Watt
2.03
+217%
Core 2 Duo T9400
2008
2 cores / 2 threads, 35 Watt
0.64

Core i5-6300U outperforms Core 2 Duo T9400 by a whopping 217% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6300U and Core 2 Duo T9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19152776
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Core 2 Duo
Power efficiency12.821.73
Architecture codenameSkylake (2015−2016)Penryn (2008−2011)
Release date1 September 2015 (9 years ago)15 July 2008 (16 years ago)
Launch price (MSRP)$281$316

Detailed specifications

Core i5-6300U and Core 2 Duo T9400 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 speed2.4 GHz2.53 GHz
Boost clock speed3 GHz2.53 GHz
Bus typeOPIno data
Bus rate4 GT/s1066 MHz
Multiplier24no data
L1 cache128 KB128 KB
L2 cache512 KB6 MB
L3 cache3 MB6 MB L2 Cache
Chip lithography14 nm45 nm
Die size98.57 mm2107 mm2
Maximum core temperature100 °C105 °C
Number of transistors1750 Million410 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.05V-1.162V

Compatibility

Information on Core i5-6300U and Core 2 Duo T9400 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 configuration1 (Uniprocessor)no data
SocketFCBGA1356BGA479,BGA956,PBGA479,PGA478
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6300U and Core 2 Duo T9400. 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)++
My WiFi+no data
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-
FSB parityno data-

Security technologies

Core i5-6300U and Core 2 Duo T9400 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6300U and Core 2 Duo T9400 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 i5-6300U and Core 2 Duo T9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 520no data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-6300U and Core 2 Duo T9400 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-6300U and Core 2 Duo T9400 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
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-6300U and Core 2 Duo T9400 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6300U and Core 2 Duo T9400.

PCIe version3.0no 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.

i5-6300U 2.03
+217%
Core 2 Duo T9400 0.64

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.

i5-6300U 3230
+219%
Core 2 Duo T9400 1011

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.

i5-6300U 587
+82.3%
Core 2 Duo T9400 322

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.

i5-6300U 1313
+157%
Core 2 Duo T9400 510

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.

i5-6300U 4679
+66%
Core 2 Duo T9400 2818

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.

i5-6300U 10573
+101%
Core 2 Duo T9400 5268

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.

i5-6300U 4050
+75.8%
Core 2 Duo T9400 2304

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.

i5-6300U 16.18
+91.6%
Core 2 Duo T9400 31

Gaming performance

Pros & cons summary


Performance score 2.03 0.64
Recency 1 September 2015 15 July 2008
Threads 4 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 15 Watt 35 Watt

i5-6300U has a 217.2% higher aggregate performance score, an age advantage of 7 years, 100% more threads, a 221.4% more advanced lithography process, and 133.3% lower power consumption.

The Core i5-6300U is our recommended choice as it beats the Core 2 Duo T9400 in performance tests.


Should you still have questions on choice between Core i5-6300U and Core 2 Duo T9400, ask them in Comments section, and we shall answer.

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Intel Core i5-6300U
Core i5-6300U
Intel Core 2 Duo T9400
Core 2 Duo T9400

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Community ratings

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