Intel Core i5 6400 vs Apple M4 Ultra
We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Apple M4 Ultra with 32 cores 4.52GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Apple M4 Ultra 's Advantages
Released 9 years and 8 months late
Higher specification of memory (8533 vs 2133)
Higher base frequency (4.52GHz vs 2.7GHz)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 6400
898
Apple M4 Ultra
+144%
2200
Cinebench R23 Multi Core
Intel Core i5 6400
3214
Apple M4 Ultra
+1294%
44822
Geekbench 6 Single Core
Intel Core i5 6400
1143
Apple M4 Ultra
+255%
4061
Geekbench 6 Multi Core
Intel Core i5 6400
3312
Apple M4 Ultra
+893%
32898
General Parameters
Sep 2015
Release Date
May 2025
Intel
Manufacturer
Apple
Desktop
Type
Desktop
x86-64
Instruction Set
ARMv9
Skylake
Core Architecture
Apple M4
i5-6400
Processor Number
-
LGA-1151
Socket
Apple M-Socket
HD Graphics 530
Integrated Graphics
Apple M4 Ultra GPU (80-core)
-
-
-
Package
-
-
-
14 nm
Manufacturing Process
3 nm
-
-
-
65 W
Power Consumption
-
-
-
-
-
Peak Operating Temperature
100 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
4
Performance Cores
24
4
Performance Core Threads
24
2.7 GHz
Performance Core Base Frequency
4.52 GHz
3.3 GHz
Performance Core Turbo Frequency
-
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
2.89 GHz
-
-
-
4
Total Core Count
32
4
Total Thread Count
32
100 MHz
Bus Frequency
-
27x
Multiplier
45
-
-
-
64 K per core
L1 Cache
-
256 K per core
L2 Cache
-
6 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-2133, DDR3L-1600
Memory Types
LPDDR5X-8533
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
8
34.1 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
500 MHz
950 MHz
GPU Max Dynamic Frequency
1800 MHz
-
Shader Units
10240
-
Texture Units
640
-
Raster Operation Units
320
-
Execution Units
1280
-
Power Consumption
120
-
-
-
-
Graphics Performance
36.9 TFLOPS
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
-
16
PCIe Lanes
-
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
-
