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CPU Comparison

Intel Core i9 10900X

10C / 20T

3.7 - 4.5 GHz

TDP: 165W

View full specs
VS

Intel Core i9 9940X

14C / 28T

3.3 - 4.4 GHz

TDP: 165W

View full specs

Benchmark Scores

C23

Cinebench R23 (Single-Core)

Intel Core i9 10900X1,145
Intel Core i9 9940X1,231
Difference: 7.5% (Intel faster)
C23

Cinebench R23 (Multi-Core)

Intel Core i9 10900X14,312
Intel Core i9 9940X15,373
Difference: 7.4% (Intel faster)
G6

Geekbench 6 (Single-Core)

Intel Core i9 10900X1,566
Intel Core i9 9940X1,328
Difference: 17.9% (Intel faster)
G6

Geekbench 6 (Multi-Core)

Intel Core i9 10900X9,308
Intel Core i9 9940X9,787
Difference: 5.1% (Intel faster)
G5

Geekbench 5 (Single-Core)

Intel Core i9 10900X1,133
Intel Core i9 9940X1,189
Difference: 4.9% (Intel faster)
G5

Geekbench 5 (Multi-Core)

Intel Core i9 10900X10,786
Intel Core i9 9940X14,374
Difference: 33.3% (Intel faster)
P

PassMark (Single-Core)

Intel Core i9 10900X2,664
Intel Core i9 9940X2,608
Difference: 2.1% (Intel faster)
P

PassMark (Multi-Core)

Intel Core i9 10900X22,469
Intel Core i9 9940X28,355
Difference: 26.2% (Intel faster)

Specifications

10
Cores
14
20
Threads
28
3.7 GHz
Base Frequency
3.3 GHz
4.5 GHz
Boost Frequency
4.4 GHz
165 W
TDP
165 W
LGA-2066
Socket
LGA-2066
Cascade Lake
Architecture
Skylake
14nm
Manufacturing
14nm
2019
Release Year
2018
20MB shared
L3 Cache
20MB shared
DDR4-2933
Memory Support
DDR4-2666
256GB
Max Memory
128GB
3
PCIe Version
3

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