Intel Core i5 7640X vs Intel Core i7 6900K
We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz and Intel Core i7 6900K with 8 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 7640X 's Advantages
Released 1 years late
Higher specification of memory (2666 vs 2133)
Higher base frequency (4.0GHz vs 3.2GHz)
Lower TDP (112W vs 140W)
Intel Core i7 6900K 's Advantages
Larger memory bandwidth (76.8GB/s vs 42.7GB/s)
Larger L3 cache size (20MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 7640X
+10%
1419
Intel Core i7 6900K
1286
Geekbench 6 Multi Core
Intel Core i5 7640X
3726
Intel Core i7 6900K
+100%
7470
Geekbench 5 Single Core
Intel Core i5 7640X
+28%
1237
Intel Core i7 6900K
961
Geekbench 5 Multi Core
Intel Core i5 7640X
4230
Intel Core i7 6900K
+73%
7327
Passmark CPU Single Core
Intel Core i5 7640X
+8%
2505
Intel Core i7 6900K
2310
Passmark CPU Multi Core
Intel Core i5 7640X
6735
Intel Core i7 6900K
+111%
14258
General Parameters
May 2017
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Broadwell E
i5-7640X
Processor Number
i7-6900K
LGA-2066
Socket
LGA-2011-3
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
112 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
-
CPU Performance
4
Performance Cores
8
4
Performance Core Threads
16
4.0 GHz
Performance Core Base Frequency
3.2 GHz
4.2 GHz
Performance Core Turbo Frequency
3.7 GHz
4
Total Core Count
8
4
Total Thread Count
16
-
Bus Frequency
100 MHz
39x
Multiplier
32x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
6 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
No
Memory Parameters
DDR4-2666
Memory Types
DDR4-2133
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
42.7 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
40
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
