Intel Core i9 9940X vs Intel Core i7 6900K
CPU · Specs Compare
General Parameters
Release Date
Oct 2018
May 2016
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Broadwell E
Processor Number
i9-9940X
i7-6900K
Integrated Graphics
N/A
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
LGA-2011-3
Power Consumption
165 W
140 W
Peak Operating Temperature
88 °C
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CPU Performance
Performance Cores
14
8
Performance Core Threads
28
16
Performance Core Base Frequency
3.3 GHz
3.2 GHz
Performance Core Turbo Frequency
4.4 GHz
3.7 GHz
Total Core Count
14
8
Total Thread Count
28
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
32x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
20 MB shared
20 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2666
DDR4-2133
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
4
Max Memory Bandwidth
85 GB/s
76.8 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
44
40
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
—
Benchmark
Cinebench R23
1,228
—
Cinebench R23
15,351
—
Geekbench 6
1,328
1,286
Geekbench 5
1,189
—
Geekbench 6
9,787
7,470
Geekbench 5
14,374
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.