Intel Core i5-6400 vs Intel Core i5-2500K

What is the difference between Intel Core i5-6400 and Intel Core i5-2500K. Find out which CPU has better performance.

Performance (Benchmarks)

830Geekbench 5 Single-Core Score793
2654Geekbench 5 Multi-Core Score2605
5153PassMark CPU Mark Rating4087
1967PassMark Single Thread Rating1697
30373DMark Time Spy Physics Score2857

Processor Specs

Intel Core i5-6400ProcessorIntel Core i5-2500K
2700 MHzFrequency3300 MHz
3300 MHzMaximum Frequency3700 MHz
4Cores4
4Threads4
65 WTDP95 W
Intel HD Graphics 530GPUIntel HD Graphics 3000
SkylakeCodenameSandy Bridge
FCLGA1151PackageLGA1155

Geekbench 5 Benchmark

834Single-Core Score778
2833Multi-Core Score2705
Geekbench 5.4.1 Tryout for Windows x86 (64-bit)BenchmarkGeekbench 5.4.1 Tryout for macOS x86 (64-bit)

System Information

Microsoft Windows 10 Pro (64-bit)Operating SystemmacOS 11.5.1 (Build 20G80)
OKI Brasil ST 4280ModeliMac19,1
Model IDiMac19,1
OKI Brasil ST 4280MotherboardApple Inc. Mac-AA95B1DDAB278B95 iMac19,1
Alto desempenhoPower Plan

CPU Specifications

Intel Core i5-6400NameIntel Core i5-2500K
1 Processor, 4 CoresTopology1 Processor, 4 Cores
GenuineIntel Family 6 Model 94 Stepping 3IdentifierGenuineIntel Family 6 Model 42 Stepping 7
2.70 GHzBase Frequency3.31 GHz
3300 MHzMaximum Frequency
Socket 1151 LGAPackage
SkylakeCodename
32.0 KB x 2L1 Instruction Cache32.0 KB x 2
32.0 KB x 2L1 Data Cache32.0 KB x 2
256 KB x 2L2 Cache256 KB x 2
6.00 MB x 1L3 Cache6.00 MB x 1

Memory Information

16.00 GBSize16.00 GB
1065 MHzFrequency
DDR4 SDRAMTypeRAM
2Channels

Geekbench 5 result (single)

834Single-Core Score778
982Crypto Score850
778Integer Score726
931Floating Point Score 879
982
1.67 GB/sec
AES-XTS850
1.45 GB/sec
703
3.55 MB/sec
Text Compression (LZMA)903
4.57 MB/sec
934
44.2 Mpixels/sec
Image Compression759
35.9 Mpixels/sec
751
2.12 MTE/sec
Navigation (using Dijkstra's algorithm)829
2.34 MTE/sec
757
888.6 KElements/sec
HTML5599
702.8 KElements/sec
741
232.3 Krows/sec
SQLite676
211.7 Krows/sec
812
44.0 Mpixels/sec
PDF Rendering720
39.1 Mpixels/sec
804
256.2 KB/sec
Text Rendering667
212.4 KB/sec
788
6.14 Klines/sec
Clang670
5.22 Klines/sec
734
8.50 images/sec
Camera753
8.73 images/sec
758
948.1 Kpairs/sec
N-Body Physics801
1.00 Mpairs/sec
854
5290.4 FPS
Rigid Body Physics984
6095.7 FPS
831
45.7 Mpixels/sec
Gaussian Blur726
39.9 Mpixels/sec
811
6.24 images/sec
Face Detection823
6.33 images/sec
802
19.8 Mpixels/sec
Horizon Detection807
19.9 Mpixels/sec
1420
69.7 Mpixels/sec
Image Inpainting1483
72.7 Mpixels/sec
1600
21.8 Mpixels/sec
HDR1437
19.6 Mpixels/sec
1055
847.2 Kpixels/sec
Ray Tracing955
766.9 Kpixels/sec
771
6.91 Kpixels/sec
Structure from Motion596
5.34 Kpixels/sec
774
24.8 Words/sec
Speech Recognition873
27.9 Words/sec
906
35.0 images/sec
Machine Learning602
23.3 images/sec

Geekbench 5 result (multi)

2833Multi-Core Score2705
3901Crypto Score3013
2648Integer Score2528
3055Floating Point Score 3036
3901
6.65 GB/sec
AES-XTS3013
5.14 GB/sec
2567
13.0 MB/sec
Text Compression (LZMA)3007
15.2 MB/sec
3376
159.7 Mpixels/sec
Image Compression2881
136.3 Mpixels/sec
1982
5.59 MTE/sec
Navigation (using Dijkstra's algorithm)2138
6.03 MTE/sec
2583
3.03 MElements/sec
HTML52231
2.62 MElements/sec
2538
795.1 Krows/sec
SQLite2672
837.1 Krows/sec
2874
156.0 Mpixels/sec
PDF Rendering2582
140.1 Mpixels/sec
2542
809.8 KB/sec
Text Rendering2122
676.0 KB/sec
2785
21.7 Klines/sec
Clang2565
20.0 Klines/sec
2791
32.4 images/sec
Camera2716
31.5 images/sec
2571
3.22 Mpairs/sec
N-Body Physics2747
3.44 Mpairs/sec
3040
18833.5 FPS
Rigid Body Physics3850
23849.8 FPS
2916
160.3 Mpixels/sec
Gaussian Blur3169
174.2 Mpixels/sec
3041
23.4 images/sec
Face Detection3232
24.9 images/sec
2910
71.7 Mpixels/sec
Horizon Detection2910
71.7 Mpixels/sec
4411
216.4 Mpixels/sec
Image Inpainting4417
216.7 Mpixels/sec
5893
80.3 Mpixels/sec
HDR5315
72.4 Mpixels/sec
3884
3.12 Mpixels/sec
Ray Tracing4049
3.25 Mpixels/sec
2840
25.4 Kpixels/sec
Structure from Motion2242
20.1 Kpixels/sec
1901
60.8 Words/sec
Speech Recognition1995
63.8 Words/sec
1967
76.0 images/sec
Machine Learning1509
58.3 images/sec