Intel Core i9-12900KS vs AMD Ryzen 9 7900X

Comparative analysis of Intel Core i9-12900KS and AMD Ryzen 9 7900X 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

  • 4 more cores, run more applications at once: 16 vs 12
  • Around 67% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 67% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 13% lower typical power consumption: 150 Watt vs 170 Watt
  • Around 2% better performance in PassMark - Single thread mark: 4344 vs 4251
Specifications (specs)
Number of cores 16 vs 12
L1 cache 1280 KB vs 768 KB
L2 cache 20 MB vs 12 MB
Thermal Design Power (TDP) 150 Watt vs 170 Watt
Benchmarks
PassMark - Single thread mark 4344 vs 4251

Reasons to consider the AMD Ryzen 9 7900X

  • CPU is newer: launch date 5 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 2% higher clock speed: 5.6 GHz vs 5.50 GHz
  • Around 11% higher maximum core temperature: 100 °C vs 90°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
  • 2.1x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 17% better performance in PassMark - CPU mark: 51639 vs 43963
  • Around 5% better performance in 3DMark Fire Strike - Physics Score: 12732 vs 12139
Specifications (specs)
Launch date 27 Sep 2022 vs 5 Apr 2022
Unlocked Unlocked vs Locked
Maximum frequency 5.6 GHz vs 5.50 GHz
Maximum core temperature 100 °C vs 90°C
Manufacturing process technology 5 nm vs 7 nm
L3 cache 64 MB vs 30 MB
Benchmarks
PassMark - CPU mark 51639 vs 43963
3DMark Fire Strike - Physics Score 12732 vs 12139

Compare benchmarks

CPU 1: Intel Core i9-12900KS
CPU 2: AMD Ryzen 9 7900X

PassMark - Single thread mark
CPU 1
CPU 2
4344
4251
PassMark - CPU mark
CPU 1
CPU 2
43963
51639
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
12139
12732
Name Intel Core i9-12900KS AMD Ryzen 9 7900X
PassMark - Single thread mark 4344 4251
PassMark - CPU mark 43963 51639
3DMark Fire Strike - Physics Score 12139 12732

Compare specifications (specs)

Intel Core i9-12900KS AMD Ryzen 9 7900X

Essentials

Architecture codename Alder Lake Zen 4
Launch date 5 Apr 2022 27 Sep 2022
Launch price (MSRP) $823 $549
Place in performance rating 102 88
Processor Number i9-12900KS
Series 12th Generation Intel Core i9 Processors
Vertical segment Desktop Desktop
OPN Tray 100-000000589

Performance

64 bit support
L1 cache 1280 KB 768 KB
L2 cache 20 MB 12 MB
L3 cache 30 MB 64 MB
Manufacturing process technology 7 nm 5 nm
Maximum core temperature 90°C 100 °C
Maximum frequency 5.50 GHz 5.6 GHz
Number of cores 16 12
Number of threads 24 24
Base frequency 4.7 GHz
Die size 70 mm²
Maximum case temperature (TCase) 47 °C
Transistor count 13140 million
Unlocked

Memory

Max memory channels 2 2
Maximum memory bandwidth 76.8 GB/s
Maximum memory size 128 GB
Supported memory types Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s DDR5-5200
ECC memory support

Graphics

Device ID 0x4680
Execution Units 32
Graphics base frequency 300 MHz
Graphics max dynamic frequency 1.55 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics Intel UHD Graphics 770

Graphics interfaces

Number of displays supported 4

Graphics image quality

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

Graphics API support

DirectX 12
OpenGL 4.5

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 45.0 mm x 37.5 mm
Sockets supported FCLGA1700 AM5
Thermal Design Power (TDP) 150 Watt 170 Watt
Thermal Solution PCG 2022E

Peripherals

Max number of PCIe lanes 20 24
PCI Express revision 5.0 and 4.0 5.0
PCIe configurations Up to 1x16+4, 2x8+4
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2
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
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)

Virtualization

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