Intel Core i9 9940X vs Intel Core i9 11900T
CPU · Specs Compare
General Parameters
Release Date
Oct 2018
Mar 2021
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Rocket Lake
Processor Number
i9-9940X
i9-11900T
Integrated Graphics
N/A
UHD Graphics 750
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
LGA-1200
Power Consumption
165 W
35 W
Peak Operating Temperature
88 °C
100 °C
CPU Performance
Performance Cores
14
8
Performance Core Threads
28
16
Performance Core Base Frequency
3.3 GHz
1.5 GHz
Performance Core Turbo Frequency
4.4 GHz
4.9 GHz
Total Core Count
14
8
Total Thread Count
28
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
15x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
20 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2666
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
2
Max Memory Bandwidth
85 GB/s
50 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
4.0
PCIe Lanes
44
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
—
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1300 MHz
Shader Units
—
256
Texture Units
—
64
Raster Operation Units
—
32
Execution Units
—
32
Power Consumption
—
15 W
Max Resolution
—
3840x2160 - 60 Hz
Benchmark
Cinebench R23
1,228
—
Cinebench R23
15,351
—
Geekbench 6
1,328
2,198
Geekbench 5
1,189
—
Geekbench 6
9,787
9,505
Geekbench 5
14,374
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.