Intel Core i9-12900KS vs Intel Core i9-11900K

Comparative analysis of Intel Core i9-12900KS and Intel Core i9-11900K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i9-12900KS

  • CPU is newer: launch date 1 year(s) 0 month(s) later
  • 8 more cores, run more applications at once: 16 vs 8
  • 8 more threads: 24 vs 16
  • Around 4% higher clock speed: 5.50 GHz vs 5.30 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 10x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 88% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 24% better performance in PassMark - Single thread mark: 4336 vs 3510
  • Around 75% better performance in PassMark - CPU mark: 43895 vs 25059
  • Around 44% better performance in 3DMark Fire Strike - Physics Score: 12034 vs 8346
Specifications (specs)
Launch date 5 Apr 2022 vs 16 Mar 2021
Number of cores 16 vs 8
Number of threads 24 vs 16
Maximum frequency 5.50 GHz vs 5.30 GHz
Manufacturing process technology 7 nm vs 14 nm
L1 cache 1280 KB vs 512 KB
L2 cache 20 MB vs 2 MB
L3 cache 30 MB vs 16 MB
Benchmarks
PassMark - Single thread mark 4336 vs 3510
PassMark - CPU mark 43895 vs 25059
3DMark Fire Strike - Physics Score 12034 vs 8346

Reasons to consider the Intel Core i9-11900K

  • Around 11% higher maximum core temperature: 100°C vs 90°C
  • Around 20% lower typical power consumption: 125 Watt vs 150 Watt
Maximum core temperature 100°C vs 90°C
Thermal Design Power (TDP) 125 Watt vs 150 Watt

Compare benchmarks

CPU 1: Intel Core i9-12900KS
CPU 2: Intel Core i9-11900K

PassMark - Single thread mark
CPU 1
CPU 2
4336
3510
PassMark - CPU mark
CPU 1
CPU 2
43895
25059
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
12034
8346
Name Intel Core i9-12900KS Intel Core i9-11900K
PassMark - Single thread mark 4336 3510
PassMark - CPU mark 43895 25059
3DMark Fire Strike - Physics Score 12034 8346

Compare specifications (specs)

Intel Core i9-12900KS Intel Core i9-11900K

Essentials

Architecture codename Alder Lake Rocket Lake
Launch date 5 Apr 2022 16 Mar 2021
Launch price (MSRP) $823 $539 - $549
Place in performance rating 104 427
Processor Number i9-12900KS i9-11900K
Series 12th Generation Intel Core i9 Processors 11th Generation Intel Core i9 Processors
Vertical segment Desktop Desktop
Status Launched

Performance

64 bit support
L1 cache 1280 KB 512 KB
L2 cache 20 MB 2 MB
L3 cache 30 MB 16 MB
Manufacturing process technology 7 nm 14 nm
Maximum core temperature 90°C 100°C
Maximum frequency 5.50 GHz 5.30 GHz
Number of cores 16 8
Number of threads 24 16
Base frequency 3.50 GHz
Bus Speed 8 GT/s

Memory

Max memory channels 2 2
Maximum memory bandwidth 76.8 GB/s 50 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s DDR4-3200

Graphics

Device ID 0x4680 0x4C8A
Execution Units 32 32
Graphics base frequency 300 MHz 350 MHz
Graphics max dynamic frequency 1.55 GHz 1.30 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics Intel UHD Graphics 770 Intel UHD Graphics 750
Intel® Clear Video technology
Intel® InTru™ 3D technology
Max video memory 64 GB

Graphics interfaces

Number of displays supported 4 3

Graphics image quality

Max resolution over DisplayPort 7680 x 4320 @ 60Hz 5120 x 3200 @60Hz
Max resolution over eDP 5120 x 3200 @ 120Hz 5120 x 3200 @60Hz
4K resolution support

Graphics API support

DirectX 12 12.1
OpenGL 4.5 4.5

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 45.0 mm x 37.5 mm 37.5 mm x 37.5 mm
Sockets supported FCLGA1700 FCLGA1200
Thermal Design Power (TDP) 150 Watt 125 Watt
Thermal Solution PCG 2022E PCG 2019A
Configurable TDP-down 95 Watt
Configurable TDP-down Frequency 3.00 GHz

Peripherals

Max number of PCIe lanes 20 20
PCI Express revision 5.0 and 4.0 4.0
PCIe configurations Up to 1x16+4, 2x8+4 Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Identity Protection technology
Intel® Software Guard Extensions (Intel® SGX)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2 Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Intel® Stable Image Platform Program (SIPP)

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)