Intel Core i7 7820X vs Intel Core i7 6785R
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz 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 i7 7820X 's Advantages
Released 1 years late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (79.47GB/s vs 34.1GB/s)
Higher base frequency (3.6GHz vs 3.3GHz)
Larger L3 cache size (11MB vs 8MB)
Intel Core i7 6785R 's Advantages
Integrated graphics card
Newer PCIe version (3 vs 3.0)
Lower TDP (65W vs 140W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 7820X
+74%
1252
Intel Core i7 6785R
718
Geekbench 6 Multi Core
Intel Core i7 7820X
+257%
7510
Intel Core i7 6785R
2101
General Parameters
May 2017
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Skylake
Core Architecture
Skylake
i7-7820X
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
140 W
Power Consumption
65 W
99 °C
Peak Operating Temperature
100°C
-
Foundry
Intel
CPU Performance
8
Performance Cores
4
16
Performance Core Threads
8
3.6 GHz
Performance Core Base Frequency
3.3 GHz
4.3 GHz
Performance Core Turbo Frequency
3.9 GHz
8
Total Core Count
4
16
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
33.0
64 K per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
256 KB per core
11 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
79.47 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
28
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-
