Intel Core i9-10940X vs Intel Core i9-7920X

Intel Core i9-10940X
Intel Socket 2066DESKTOP
3300 MHz / Cores: 14 / Oct 2019
Intel Core i9-10940X
Intel Core i9-7920X
Intel Socket 2066DESKTOP
2900 MHz / Cores: 12 / Sep 2017
Intel Core i9-7920X

Summary

Synthetic performance index

  • Intel Core i9-10940X
    140%
  • Intel Core i9-7920X
    100%

Relative performance

Multi thread performance index

  • Intel Core i9-10940X
    140%
  • Intel Core i9-7920X
    100%

Relative performance

Reasons to consider Intel Core i9-10940X

Much higher multi threaded performance (around 40% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 40% higher average synthetic performance.

Reasons to consider Intel Core i9-7920X

None

Intel Core i9-10940X

Gaming

HWBench recommends Intel Core i9-10940X

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i9-10940X

Productivity

HWBench recommends Intel Core i9-10940X

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.


Specifications

Features

Intel Core i9-10940XIntel Core i9-7920X
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
Boost 3.0

Architecture

Intel Core i9-10940XIntel Core i9-7920X
ArchitectureIntel_CascadelakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4 Quad-channelvsDDR4
CodenameCascade Lake-XvsSkylake-X
Release DateOct 2019vsSep 2017

Cores

Intel Core i9-10940XIntel Core i9-7920X
Cores14vs12
Threads28vs24
SMPs1vs1
Integrated GraphicsNovsNo

Cache

Intel Core i9-10940XIntel Core i9-7920X
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache1MB (per core)vs1024 KB (per core)
L3 Cache19.25MB (shared)vs16896 KB (shared)

Physical

Intel Core i9-10940XIntel Core i9-7920X
SocketIntel Socket 2066vsIntel Socket 2066
Max Case TempN/Avs72°C
PackageFC-LGA2066vsFC-LGA2066
Die Sizeunknownvs428mm²
Process14 nmvs14 nm

Performance

Intel Core i9-10940XIntel Core i9-7920X
Cpu Frequency3300 MHzvs2900 MHz
Turbo Clock4800 MHzvs4400 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avsunknown
TDP165 Wvs140 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i9-10940X
    5760 points
  • Intel Core i9-7920X
    5280 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i9-10940X
    66528 points
  • Intel Core i9-7920X
    50112 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i9-10940X (simulated)
    3203.2
  • Intel Core i9-7920X (simulated)
    2287.31

points - higher is better