Core i5-9600KF vs Core 2 Duo E8400

#ad 
Buy on Amazon
VS

Aggregate performance score

Core 2 Duo E8400
2008
2 cores / 2 threads, 65 Watt
0.73
Core i5-9600KF
2019
6 cores / 6 threads, 95 Watt
6.72
+821%

Core i5-9600KF outperforms Core 2 Duo E8400 by a whopping 821% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8400 and Core i5-9600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26851037
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data7.63
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiency1.066.69
Architecture codenameWolfdale (2008−2010)Coffee Lake (2017−2019)
Release date1 January 2008 (16 years ago)7 January 2019 (5 years ago)
Launch price (MSRP)no data$262

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo E8400 and Core i5-9600KF 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)
Threads26
Base clock speed3 GHz3.7 GHz
Boost clock speed3 GHz4.6 GHz
Bus typeno dataDMI 3.0
Bus rate1333 MHz4 × 8 GT/s
Multiplierno data37
L1 cache64 KB (per core)384 KB
L2 cache6 MB (shared)1.5 MB
L3 cache0 KB9 MB (shared)
Chip lithography45 nm14 nm
Die size104 mm2149 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors410 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Core i5-9600KF 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 configuration11 (Uniprocessor)
SocketLGA775FCLGA1151
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Core i5-9600KF. 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-+
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology--
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E8400 and Core i5-9600KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Core i5-9600KF are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Core i5-9600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-2666
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 cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Core i5-9600KF.

PCIe version2.03.0
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 E8400 0.73
i5-9600KF 6.72
+821%

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 E8400 1165
i5-9600KF 10674
+816%

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 E8400 370
i5-9600KF 1630
+341%

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 E8400 604
i5-9600KF 5848
+868%

Gaming performance

Pros & cons summary


Performance score 0.73 6.72
Recency 1 January 2008 7 January 2019
Physical cores 2 6
Threads 2 6
Chip lithography 45 nm 14 nm
Power consumption (TDP) 65 Watt 95 Watt

Core 2 Duo E8400 has 46.2% lower power consumption.

i5-9600KF, on the other hand, has a 820.5% higher aggregate performance score, an age advantage of 11 years, 200% more physical cores and 200% more threads, and a 221.4% more advanced lithography process.

The Core i5-9600KF is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.


Should you still have questions on choice between Core 2 Duo E8400 and Core i5-9600KF, 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 2 Duo E8400
Core 2 Duo E8400
Intel Core i5-9600KF
Core i5-9600KF

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.


3.7 2293 votes

Rate Core 2 Duo E8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 1167 votes

Rate Core i5-9600KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E8400 or Core i5-9600KF, agree or disagree with our judgements, or report an error or mismatch.