Intel Core Ultra 9 285 vs Intel Core i5 6400
We compared two desktop CPUs: Intel Core Ultra 9 285 with 24 cores 2.5GHz 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 Ultra 9 285 's Advantages
Released 9 years and 3 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)
Larger L3 cache size (36MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Intel Core i5 6400 's Advantages
Higher base frequency (2.7GHz vs 2.5GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 9 285
+142%
2178
Intel Core i5 6400
898
Cinebench R23 Multi Core
Intel Core Ultra 9 285
+936%
33309
Intel Core i5 6400
3214
Geekbench 6 Single Core
Intel Core Ultra 9 285
+179%
3194
Intel Core i5 6400
1143
Geekbench 6 Multi Core
Intel Core Ultra 9 285
+553%
21649
Intel Core i5 6400
3312
General Parameters
Dec 2024
Release Date
Sep 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Skylake
285
Processor Number
i5-6400
FCLGA-1851
Socket
LGA-1151
Arc Graphics
Integrated Graphics
HD Graphics 530
Ultra 9 (Arrow Lake)
Generation
-
Package
17.8 billions
Transistor Count
-
3 nm
Manufacturing Process
14 nm
65 W
Power Consumption
65 W
182 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
-
TSMC
Foundry
-
243 mm²
Die Size
-
CPU Performance
8
Performance Cores
4
8
Performance Core Threads
4
2.5 GHz
Performance Core Base Frequency
2.7 GHz
5.6 GHz
Performance Core Turbo Frequency
3.3 GHz
16
Efficiency Cores
-
16
Efficiency Core Threads
-
1.9 GHz
Efficiency Core Base Frequency
-
4.6 GHz
Efficiency Core Turbo Frequency
-
24
Total Core Count
4
24
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
25
Multiplier
27x
192 K per core
L1 Cache
64 K per core
3 MB per core
L2 Cache
256 K per core
36 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR4-2133, DDR3L-1600
256 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
34.1 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
600 MHz
GPU Base Frequency
-
2000 MHz
GPU Max Dynamic Frequency
950 MHz
512
Shader Units
-
4
Execution Units
-
1.79 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
3.0
24
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
