Intel Core i9 10940X vs Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i9 10940X with 14 cores 3.3GHz and Intel Core i7 7740X with 4 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 10940X 's Advantages
Released 2 years and 5 months late
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (93.8GB/s vs 42.7GB/s)
Larger L3 cache size (20MB vs 8MB)
Intel Core i7 7740X 's Advantages
Higher base frequency (4.3GHz vs 3.3GHz)
Lower TDP (112W vs 165W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 10940X
1471
Intel Core i7 7740X
+5%
1553
Geekbench 6 Multi Core
Intel Core i9 10940X
+104%
11287
Intel Core i7 7740X
5516
Geekbench 5 Single Core
Intel Core i9 10940X
1144
Intel Core i7 7740X
+12%
1291
Geekbench 5 Multi Core
Intel Core i9 10940X
+171%
13573
Intel Core i7 7740X
5001
Passmark CPU Single Core
Intel Core i9 10940X
2686
Intel Core i7 7740X
+2%
2759
Passmark CPU Multi Core
Intel Core i9 10940X
+184%
27907
Intel Core i7 7740X
9824
General Parameters
Oct 2019
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Cascade Lake
Core Architecture
Kaby Lake
i9-10940X
Processor Number
i7-7740X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
112 W
86 °C
Peak Operating Temperature
100 °C
CPU Performance
14
Performance Cores
4
28
Performance Core Threads
8
3.3 GHz
Performance Core Base Frequency
4.3 GHz
4.6 GHz
Performance Core Turbo Frequency
4.5 GHz
14
Total Core Count
4
28
Total Thread Count
8
100 MHz
Bus Frequency
-
33x
Multiplier
43x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2933
Memory Types
DDR4-2666
256 GB
Max Memory Size
64 GB
4
Max Memory Channels
2
93.8 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
48
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
