AMD Ryzen 9 3950X vs Intel Core i9-12900KF

Table of Contents

Physical Specifications

Socket AMD Socket AM4 Intel Socket 1700
Foundry TSMC Intel
Process size 7 nm 10 nm
Transistors 3,800 million unknown
Die size 74 mm² 215 mm²
Package µOPGA-1331 FC-LGA16A
tCaseMax 95°C 72°C
tJMax 100°C

Performance

Frequency 3.5 GHz 3.2 GHz
Turbo clock up to 4.7 GHz up to 5.2 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 32.0x
Multiplier unlocked Yes Yes
TDP 105 W 125 W
FP32 3,609.6 GFLOPS
cpu.details.e-core-frequency 1.8 GHz
cpu.details.e-core-turbo-clock up to 3.8 GHz

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Nov 14th, 2019 Nov 4th, 2021
Codename Matisse Alder Lake-S
Generation Ryzen 9 Core i9
Part 100-000000051 SRL4J
Memory support DDR4-3200 MHz Dual-channel DDR4, DDR5 Dual-channel
ECC memory No No
PCI Express Gen 4 Gen 4, 20 Lanes(CPU only)
Chipset Z690
cpu.details.ddr4-speed 3200 MT/s
cpu.details.ddr5-speed 4800 MT/s
Chipsets Z690, H670, B660, H610

Cores

Total Cores 16 16
Total Threads 32 24
SMP # CPUs 1 1
Integrated graphics
cpu.details.hybrid-cores P-Cores: 8 E-Cores: 8

Cache

Cache L1 64K (per core) 80K (per core)
Cache L2 512K (per core) 1.25MB (per core)
Cache L3 64MB 30MB (shared)

Notes

Notes This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. Processor max turbo power: 241W

Features & Technologies

ABM Yes
ADX Yes
AES Yes
AES-NI Yes
AMD-V Yes
AMD64 Yes
AVX Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
CLMUL Yes
EIST Yes
EVP Yes
F16C Yes Yes
FMA3 Yes Yes
Intel 64 Yes
MMX Yes Yes
Precision Boost 2 Yes
RdRand Yes
SHA Yes Yes
SMAP Yes
SMEP Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSE4A Yes
SSSE3 Yes Yes
TBT 2.0 Yes
TBT 3.0 Yes
TSX Yes
TXT Yes
VT-d Yes
VT-x Yes
XD bit Yes
XFR 2 Yes

Compare

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