i9-11900KF vs Phenom II X2 X620 BE

Athlon II P320 Athlon II P340 Athlon II P360 Phenom II X3 N830 Phenom II X4 N930 Phenom II X4 N970 Phenom II X4 P960 Turion II P520 Turion II P540 V-Series V120 V-Series V140 V-Series V160
VS
Core i5-11400 Core i5-11400F Core i5-11600K Core i5-11600KF Core i7-11700 Core i7-11700F Core i7-11700K Core i7-11700KF Core i9-11900 Core i9-11900F Core i9-11900K Core i9-11900KF

Contents

Phenom II X2 X620 BE Phenom II X2 X620 BE
i9-11900KF i9-11900KF

Primary details

Comparing Phenom II X2 X620 BE and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated423
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
Series2x AMD Phenom IIno data
Power efficiencyno data11.91
Architecture codenameChamplain (2010−2011)Rocket Lake (2021)
Release date12 May 2010 (14 years ago)16 March 2021 (3 years ago)

Detailed specifications

Phenom II X2 X620 BE and Core i9-11900KF 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)8 (Octa-Core)
Threads216
Base clock speedno data3.5 GHz
Boost clock speed3.1 GHz5.2 GHz
Bus rate3600 MHz8 GT/s
L1 cacheno data64K (per core)
L2 cache2 MB256K (per core)
L3 cacheno data16 MB (shared)
Chip lithography45 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Phenom II X2 X620 BE and Core i9-11900KF 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
SocketS1FCLGA1200
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 X620 BE and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Phenom II X2 X620 BE and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 X620 BE and Core i9-11900KF are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X620 BE and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 X620 BE and Core i9-11900KF.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary

Recency 12 May 2010 16 March 2021
Physical cores 2 8
Threads 2 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 45 Watt 125 Watt

Phenom II X2 X620 BE has 177.8% lower power consumption.

i9-11900KF, on the other hand, has an age advantage of 10 years, 300% more physical cores and 700% more threads, and a 221.4% more advanced lithography process.

We couldn't decide between Phenom II X2 X620 BE and Core i9-11900KF. We've got no test results to judge.

Be aware that Phenom II X2 X620 BE is a notebook processor while Core i9-11900KF is a desktop one.

Should you still have questions on choice between Phenom II X2 X620 BE and Core i9-11900KF, 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.

AMD Phenom II X2 X620 BE
Phenom II X2 X620 BE
Intel Core i9-11900KF
Core i9-11900KF
Like
Like

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.

Phenom II X2 X620 BE Phenom II X2 X620 BE
vs
i7-6870HQ Core i7 6870HQ
i9-11900KF Core i9 11900KF
vs
i9-9920X Core i9 9920X
Phenom II X2 X620 BE Phenom II X2 X620 BE
vs
Atom Z560 Atom Z560
i7-660LM Core i7 660LM
vs
Processor 300T Processor 300T
Core 2 Extreme X6800 Core 2 Extreme X6800
vs
Celeron E1200 Celeron E1200
i5-460M Core i5 460M
vs
Ryzen 7 7735HS Ryzen 7 7735HS
i5-540M Core i5 540M
vs
i3-1315UE Core i3 1315UE
Core 2 Extreme X9100 Core 2 Extreme X9100
vs
A10-5757M A10 5757M
i3-370M Core i3 370M
vs
Xeon Gold 6534 Xeon Gold 6534
Phenom II X4 X920 BE Phenom II X4 X920 BE
vs
Ryzen 7 5700G Ryzen 7 5700G
i7-620LM Core i7 620LM
vs
i3-9100 Core i3 9100
Core 2 Extreme X7800 Core 2 Extreme X7800
vs
Celeron 2.20 Celeron 2.20
Core 2 Duo T7800 Core 2 Duo T7800
vs
Core 2 Duo T5300 Core 2 Duo T5300

Community ratings

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

5 1 vote

Rate Phenom II X2 X620 BE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 590 votes

Rate Core i9-11900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom II X2 X620 BE or Core i9-11900KF, agree or disagree with our judgements, or report an error or mismatch.