Core 2 Duo T9500 vs Core i5-8400

Aggregate performance score

Core i5-8400
2017
6 cores / 6 threads, 65 Watt
5.82
+415%
Core 2 Duo T9500
2008
2 cores / 2 threads, 35 Watt
1.13

Core i5-8400 outperforms Core 2 Duo T9500 by a whopping 415% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8400 and Core 2 Duo T9500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11162382
Place by popularity68not in top-100
Cost-effectiveness evaluation4.94no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5Intel Core 2 Duo
Power efficiency8.473.06
Architecture codenameCoffee Lake-S (2017−2018)Penryn (2008−2011)
Release date5 October 2017 (7 years ago)10 January 2008 (16 years ago)
Launch price (MSRP)$182$530

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400 and Core 2 Duo T9500 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 GHz2.6 GHz
Boost clock speed4 GHz2.6 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s800 MHz
Multiplier28no data
L1 cache64K (per core)128 KB
L2 cache256K (per core)6 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+-
VID voltage rangeno data1V-1.25V

Compatibility

Information on Core i5-8400 and Core 2 Duo T9500 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
SocketFCLGA1151BGA479,PBGA479,PGA478,PPGA478
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Core 2 Duo T9500. 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)++
Turbo Boost Technology2.0-
Hyper-Threading Technology--
Idle States++
Thermal Monitoring+-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Core i5-8400 and Core 2 Duo T9500 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 i5-8400 and Core 2 Duo T9500 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 i5-8400 and Core 2 Duo T9500. 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 bandwidth42.671 GB/sno 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+-
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 T9500 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Core 2 Duo T9500 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 T9500 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 T9500.

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 5.82
+415%
Core 2 Duo T9500 1.13

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.

i5-8400 9238
+414%
Core 2 Duo T9500 1799

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.

i5-8400 1373
+307%
Core 2 Duo T9500 337

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.

i5-8400 4799
+774%
Core 2 Duo T9500 549

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.

i5-8400 6364
+116%
Core 2 Duo T9500 2950

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.

i5-8400 30790
+468%
Core 2 Duo T9500 5419

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.

i5-8400 9474
+303%
Core 2 Duo T9500 2352

Gaming performance

Pros & cons summary


Performance score 5.82 1.13
Recency 5 October 2017 10 January 2008
Physical cores 6 2
Threads 6 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 65 Watt 35 Watt

i5-8400 has a 415% higher aggregate performance score, an age advantage of 9 years, 200% more physical cores and 200% more threads, and a 221.4% more advanced lithography process.

Core 2 Duo T9500, on the other hand, has 85.7% lower power consumption.

The Core i5-8400 is our recommended choice as it beats the Core 2 Duo T9500 in performance tests.

Note that Core i5-8400 is a desktop processor while Core 2 Duo T9500 is a notebook one.


Should you still have questions on choice between Core i5-8400 and Core 2 Duo T9500, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-8400
Core i5-8400
Intel Core 2 Duo T9500
Core 2 Duo T9500

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.9 2687 votes

Rate Core i5-8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 190 votes

Rate Core 2 Duo T9500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-8400 or Core 2 Duo T9500, agree or disagree with our judgements, or report an error or mismatch.