Intel Core i9 9940X vs Intel Core i7 6785R
We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Intel Core i7 6785R with 4 cores 3.3GHz . 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 2 years and 5 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (85GB/s vs 34.1GB/s)
Larger L3 cache size (20MB vs 8MB)
Intel Core i7 6785R 's Advantages
Integrated graphics card
Newer PCIe version (3 vs 3.0)
Lower TDP (65W vs 165W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 9940X
+84%
1328
Intel Core i7 6785R
718
Geekbench 6 Multi Core
Intel Core i9 9940X
+365%
9787
Intel Core i7 6785R
2101
General Parameters
Oct 2018
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Skylake
Core Architecture
Skylake
i9-9940X
Processor Number
-
LGA-2066
Socket
Intel BGA 1440
N/A
Integrated Graphics
Iris Pro 580
-
Generation
Core i7(Skylake-R)
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
65 W
88 °C
Peak Operating Temperature
100°C
-
Foundry
Intel
CPU Performance
14
Performance Cores
4
28
Performance Core Threads
8
3.3 GHz
Performance Core Base Frequency
3.3 GHz
4.4 GHz
Performance Core Turbo Frequency
3.9 GHz
14
Total Core Count
4
28
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
33.0
64 K per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
256 KB per core
20 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR4-2666
Memory Types
DDR3, DDR4-2133
128 GB
Max Memory Size
64
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1150 MHz
Miscellaneous
3.0
PCIe Version
3
44
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-
