Intel Core i9 11900K vs Intel Core i9 7920X
We compared two desktop CPUs: Intel Core i9 11900K with 8 cores 3.5GHz and Intel Core i9 7920X with 12 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 11900K 's Advantages
Released 3 years and 7 months late
Integrated graphics card
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.9GHz)
Lower TDP (125W vs 140W)
Intel Core i9 7920X 's Advantages
Larger memory bandwidth (85GB/s vs 50GB/s)
Larger L3 cache size (17MB vs 16MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 11900K
+136%
2492
Intel Core i9 7920X
1053
Geekbench 6 Multi Core
Intel Core i9 11900K
+158%
11197
Intel Core i9 7920X
4327
Geekbench 5 Single Core
Intel Core i9 11900K
+60%
1829
Intel Core i9 7920X
1137
Geekbench 5 Multi Core
Intel Core i9 11900K
11033
Intel Core i9 7920X
+7%
11828
Passmark CPU Single Core
Intel Core i9 11900K
+41%
3520
Intel Core i9 7920X
2488
Passmark CPU Multi Core
Intel Core i9 11900K
+7%
25343
Intel Core i9 7920X
23468
General Parameters
Mar 2021
Release Date
Aug 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Rocket Lake
Core Architecture
Skylake
i9-11900K
Processor Number
i9-7920X
LGA-1200
Socket
LGA-2066
UHD Graphics 750
Integrated Graphics
N/A
-
-
-
Package
-
-
-
14 nm
Manufacturing Process
14 nm
-
-
-
125 W
Power Consumption
140 W
-
-
-
100°C
Peak Operating Temperature
95 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
8
Performance Cores
12
16
Performance Core Threads
24
3.5 GHz
Performance Core Base Frequency
2.9 GHz
5.3 GHz
Performance Core Turbo Frequency
4.3 GHz
-
-
-
-
-
-
-
-
-
-
-
-
8
Total Core Count
12
16
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
29x
-
-
-
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
17 MB shared
Yes
Unlocked Multiplier
Yes
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
50 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
300 MHz
GPU Base Frequency
-
1300 MHz
GPU Max Dynamic Frequency
-
256
Shader Units
-
64
Texture Units
-
32
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
3840x2160 - 60 Hz
Max Resolution
-
0.46 TFLOPS
Graphics Performance
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
4.0
PCIe Version
3.0
20
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
-
