Intel Core i5 6400 vs Intel Core Ultra 9 285K
We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core Ultra 9 285K with 24 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 6400 's Advantages
Lower TDP (65W vs 125W)
Intel Core Ultra 9 285K 's Advantages
Released 9 years and 1 months late
Higher specification of memory (6400 vs 2133)
Larger memory bandwidth (102.4GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.7GHz vs 2.7GHz)
Larger L3 cache size (36MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 6400
898
Intel Core Ultra 9 285K
+158%
2318
Cinebench R23 Multi Core
Intel Core i5 6400
3214
Intel Core Ultra 9 285K
+1193%
41583
Geekbench 6 Single Core
Intel Core i5 6400
1143
Intel Core Ultra 9 285K
+195%
3380
Geekbench 6 Multi Core
Intel Core i5 6400
3312
Intel Core Ultra 9 285K
+597%
23087
Blender
Intel Core i5 6400
49
Intel Core Ultra 9 285K
+1238%
656
Passmark CPU Single Core
Intel Core i5 6400
1961
Intel Core Ultra 9 285K
+159%
5080
Passmark CPU Multi Core
Intel Core i5 6400
5151
Intel Core Ultra 9 285K
+1215%
67744
General Parameters
Sep 2015
Release Date
Oct 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Arrow Lake
i5-6400
Processor Number
285K
LGA-1151
Socket
FCLGA-1851
HD Graphics 530
Integrated Graphics
Arc iGPU (4-Cores)
-
Generation
Ultra 9(Arrow Lake)
Package
-
-
-
14 nm
Manufacturing Process
3 nm
-
-
-
65 W
Power Consumption
125 W
-
Max Turbo Power Consumption
250 W
-
Peak Operating Temperature
105 °C
-
Foundry
TSMC
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
4
Performance Cores
8
4
Performance Core Threads
8
2.7 GHz
Performance Core Base Frequency
3.7 GHz
3.3 GHz
Performance Core Turbo Frequency
5.5 GHz
-
Efficiency Cores
16
-
Efficiency Core Threads
16
-
Efficiency Core Base Frequency
3.2 GHz
-
Efficiency Core Turbo Frequency
4.6 GHz
4
Total Core Count
24
4
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
27x
Multiplier
37
-
-
-
64 K per core
L1 Cache
112 K per core
256 K per core
L2 Cache
3 MB per core
6 MB shared
L3 Cache
36 MB shared
No
Unlocked Multiplier
Yes
-
-
-
-
-
SMP
1
-
-
-
-
-
-
Memory Parameters
DDR4-2133, DDR3L-1600
Memory Types
DDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
950 MHz
GPU Max Dynamic Frequency
2000 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
14
-
-
-
-
Graphics Performance
2 TFLOPS
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
5.0
16
PCIe Lanes
24
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
-
