i9-9900KF vs Phenom II X4 920

Aggregate performance score

Phenom II X4 920
2009
4 cores / 4 threads, 125 Watt
1.41
Core i9-9900KF
2019
8 cores / 16 threads, 95 Watt
11.94
+747%

Core i9-9900KF outperforms Phenom II X4 920 by a whopping 747% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 920 and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2227670
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.498.72
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency1.0311.46
Architecture codenameDeneb (2009−2011)Coffee Lake-R (2018−2019)
Release date8 January 2009 (15 years ago)7 January 2019 (5 years ago)
Launch price (MSRP)$90$488

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900KF has 94% better value for money than Phenom II X4 920.

Detailed specifications

Phenom II X4 920 and Core i9-9900KF 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed2.8 GHz3.6 GHz
Boost clock speed2.8 GHz5 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
L1 cache128 KB (per core)512 KB
L2 cache512 KB (per core)2 MB
L3 cache6 MB (shared)16 MB (shared)
Chip lithography45 nm14 nm
Die size258 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors758 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Phenom II X4 920 and Core i9-9900KF 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)
SocketAM3FCLGA1151
Power consumption (TDP)125 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 920 and Core i9-9900KF. 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-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Phenom II X4 920 and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 920 and Core i9-9900KF are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 920 and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 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 Phenom II X4 920 and Core i9-9900KF.

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.

Phenom II X4 920 1.41
i9-9900KF 11.94
+747%

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.

Phenom II X4 920 2156
i9-9900KF 18266
+747%

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.

Phenom II X4 920 350
i9-9900KF 1723
+392%

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.

Phenom II X4 920 1097
i9-9900KF 8122
+640%

Gaming performance

Pros & cons summary


Performance score 1.41 11.94
Recency 8 January 2009 7 January 2019
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 125 Watt 95 Watt

i9-9900KF has a 746.8% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 300% more threads, a 221.4% more advanced lithography process, and 31.6% lower power consumption.

The Core i9-9900KF is our recommended choice as it beats the Phenom II X4 920 in performance tests.


Should you still have questions on choice between Phenom II X4 920 and Core i9-9900KF, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 920
Phenom II X4 920
Intel Core i9-9900KF
Core i9-9900KF

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Community ratings

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Questions & comments

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