i9-11900KF vs i7-920

VS

Aggregate performance score

Core i7-920
2008
4 cores / 8 threads, 130 Watt
1.79
Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.69
+777%

Core i9-11900KF outperforms Core i7-920 by a whopping 777% based on our aggregate benchmark results.

Primary details

Comparing Core i7-920 and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2025437
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.22no data
Market segmentDesktop processorDesktop processor
SeriesCore i7 (Desktop)no data
Power efficiency1.3011.87
Architecture codenameBloomfield (2008−2010)Rocket Lake (2021)
Release dateNovember 2008 (16 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$340no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-920 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 cores4 (Quad-Core)8 (Octa-Core)
Threads816
Base clock speed2.66 GHz3.5 GHz
Boost clock speed2.93 GHz5.2 GHz
Bus rate1333 MHz8 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8 MB (shared)16 MB (shared)
Chip lithography45 nm14 nm
Die size263 mm2no data
Maximum core temperature68 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors731 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i7-920 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 configuration11
SocketFCLGA1366,PLGA1366FCLGA1200
Power consumption (TDP)130 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-920 and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring-+
Demand Based Switching-no data
PAE36 Bitno data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-920 and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-920 and Core i9-11900KF are enumerated here.

VT-dno data+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-920 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-3200
Maximum memory size24 GB128 GB
Max memory channels32
Maximum memory bandwidth25.6 GB/s50 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-920 and Core i9-11900KF.

PCIe versionno data4.0
PCI Express lanesno data20

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.

i7-920 1.79
i9-11900KF 15.69
+777%

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.

i7-920 2840
i9-11900KF 24928
+778%

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.

i7-920 415
i9-11900KF 2329
+461%

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.

i7-920 1426
i9-11900KF 10041
+604%

Gaming performance

Pros & cons summary


Performance score 1.79 15.69
Physical cores 4 8
Threads 8 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 130 Watt 125 Watt

i9-11900KF has a 776.5% higher aggregate performance score, 100% more physical cores and 100% more threads, a 221.4% more advanced lithography process, and 4% lower power consumption.

The Core i9-11900KF is our recommended choice as it beats the Core i7-920 in performance tests.


Should you still have questions on choice between Core i7-920 and Core i9-11900KF, ask them in Comments section, and we shall answer.

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Intel Core i7-920
Core i7-920
Intel Core i9-11900KF
Core i9-11900KF

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Community ratings

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Questions & comments

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