Home Comparison Intel Core i9 7920X vs Intel Core i9 12900KF

Intel Core i9 7920X vs Intel Core i9 12900KF

Intel Core i9 7920X
VS
Intel Core i9 12900KF
Intel Core i9 7920X
Intel Core i9 12900KF
We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i9 12900KF with 16 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 7920X 's Advantages
Larger memory bandwidth (85GB/s vs 76.8GB/s)
Intel Core i9 12900KF 's Advantages
Released 4 years and 2 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.2GHz vs 2.9GHz)
Larger L3 cache size (30MB vs 17MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (125W vs 140W)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i9 7920X
1053
Intel Core i9 12900KF +155%
2686
Geekbench 6 Multi Core
Intel Core i9 7920X
4327
Intel Core i9 12900KF +272%
16130
Geekbench 5 Single Core
Intel Core i9 7920X
1137
Intel Core i9 12900KF +73%
1970
Geekbench 5 Multi Core
Intel Core i9 7920X
11828
Intel Core i9 12900KF +47%
17469
Passmark CPU Single Core
Intel Core i9 7920X
2488
Intel Core i9 12900KF +67%
4167
Passmark CPU Multi Core
Intel Core i9 7920X
23468
Intel Core i9 12900KF +75%
41190
Intel Core i9 7920X
VS
Intel Core i9 12900KF

General Parameters

Aug 2017
Release Date
Oct 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Alder Lake
i9-7920X
Processor Number
i9-12900KF
LGA-2066
Socket
LGA-1700
N/A
Integrated Graphics
No

Package

14 nm
Manufacturing Process
10 nm
140 W
Power Consumption
125 W
-
Max Turbo Power Consumption
241 W
95 °C
Peak Operating Temperature
100°C

CPU Performance

12
Performance Cores
8
24
Performance Core Threads
16
2.9 GHz
Performance Core Base Frequency
3.2 GHz
4.3 GHz
Performance Core Turbo Frequency
5.1 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
2.4 GHz
-
Efficiency Core Turbo Frequency
3.9 GHz
12
Total Core Count
16
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
32x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
14 MB shared
17 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR5-4800, DDR4-3200
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
Yes

Miscellaneous

Intel Core i9 7920X
Official Website
Intel Core i9 12900KF
3.0
PCIe Version
5.0
44
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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