Intel Core i7 6850K vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i7 6850K with 6 cores 3.6GHz and Intel Core i9 7900X with 10 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 6850K 's Advantages
Higher base frequency (3.6GHz vs 3.3GHz)
Larger L3 cache size (15MB vs 14MB)
Intel Core i9 7900X 's Advantages
Released 1 years late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 6850K
979
Intel Core i9 7900X
+22%
1203
Cinebench R23 Multi Core
Intel Core i7 6850K
7282
Intel Core i9 7900X
+105%
14998
Geekbench 6 Single Core
Intel Core i7 6850K
986
Intel Core i9 7900X
+34%
1323
Geekbench 6 Multi Core
Intel Core i7 6850K
3877
Intel Core i9 7900X
+120%
8536
Geekbench 5 Single Core
Intel Core i7 6850K
988
Intel Core i9 7900X
+14%
1127
Geekbench 5 Multi Core
Intel Core i7 6850K
5881
Intel Core i9 7900X
+73%
10189
Passmark CPU Single Core
Intel Core i7 6850K
2409
Intel Core i9 7900X
+6%
2556
Passmark CPU Multi Core
Intel Core i7 6850K
11382
Intel Core i9 7900X
+84%
20991
General Parameters
May 2016
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Broadwell E
Core Architecture
Skylake
i7-6850K
Processor Number
i9-7900X
LGA-2011-3
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
140 W
-
Peak Operating Temperature
95 °C
CPU Performance
6
Performance Cores
10
12
Performance Core Threads
20
3.6 GHz
Performance Core Base Frequency
3.3 GHz
3.8 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
10
12
Total Thread Count
20
-
Bus Frequency
100 MHz
36x
Multiplier
33x
32 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
15 MB shared
L3 Cache
14 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2133
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
76.8 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
40
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
