Intel Core i7 7700 vs Intel Core i5 6400
We compared two desktop CPUs: Intel Core i7 7700 with 4 cores 3.6GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 7700 Advantages
Released 1 years and 4 months late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (35.76GB/s vs 34.1GB/s)
Higher base frequency (3.6GHz vs 2.7GHz)
Larger L3 cache size (8MB vs 6MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 7700
+21%
1089
Intel Core i5 6400
898
Cinebench R23 Multi Core
Intel Core i7 7700
+69%
5443
Intel Core i5 6400
3214
Geekbench 6 Single Core
Intel Core i7 7700
+28%
1473
Intel Core i5 6400
1143
Geekbench 6 Multi Core
Intel Core i7 7700
+46%
4837
Intel Core i5 6400
3312
Blender
Intel Core i7 7700
+83%
90
Intel Core i5 6400
49
Geekbench 5 Single Core
Intel Core i7 7700
+27%
1087
Intel Core i5 6400
853
Geekbench 5 Multi Core
Intel Core i7 7700
+48%
4163
Intel Core i5 6400
2805
Passmark CPU Single Core
Intel Core i7 7700
+24%
2450
Intel Core i5 6400
1961
Passmark CPU Multi Core
Intel Core i7 7700
+67%
8637
Intel Core i5 6400
5151
General Parameters
Jan 2017
Release Date
Sep 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Skylake
i7-7700
Processor Number
i5-6400
LGA-1151
Socket
LGA-1151
HD Graphics 630
Integrated Graphics
HD Graphics 530
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
-
CPU Performance
4
Performance Cores
4
8
Performance Core Threads
4
3.6 GHz
Performance Core Base Frequency
2.7 GHz
4.2 GHz
Performance Core Turbo Frequency
3.3 GHz
4
Total Core Count
4
8
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
36
Multiplier
27x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400,DDR3L-1600
Memory Types
DDR4-2133, DDR3L-1600
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
35.76 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
-
1150 MHz
GPU Max Dynamic Frequency
950 MHz
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.4 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
