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Comparison
Intel Core i9 9940X vs Intel Core i7 7740X
Intel Core i9 9940X vs Intel Core i7 7740X
VS
Intel Core i9 9940X
Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i9 9940X 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 9940X 's Advantages
Released 1 years and 5 months late
Larger memory bandwidth (85GB/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 9940X
1328
Intel Core i7 7740X
+16%
1553
Geekbench 6 Multi Core
Intel Core i9 9940X
+77%
9787
Intel Core i7 7740X
5516
Geekbench 5 Single Core
Intel Core i9 9940X
1189
Intel Core i7 7740X
+8%
1291
Geekbench 5 Multi Core
Intel Core i9 9940X
+187%
14374
Intel Core i7 7740X
5001
Passmark CPU Single Core
Intel Core i9 9940X
2608
Intel Core i7 7740X
+5%
2759
Passmark CPU Multi Core
Intel Core i9 9940X
+188%
28355
Intel Core i7 7740X
9824
Intel Core i9 9940X
VS
Intel Core i7 7740X
General Parameters
Oct 2018
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Kaby Lake
i9-9940X
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
88 °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
4.4 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
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
64 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
Miscellaneous
Intel Core i9 9940X
Official Website
Intel Core i7 7740X
3.0
PCIe Version
3.0
44
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
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