Intel Core i7-2600K vs Intel Core i7-5775C

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-2600K or Intel Core i7-2600K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-2600K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i7 series.
To use the Intel Core i7-2600K, you'll need a motherboard with a LGA 1155 socket.
The Intel Core i7-5775C features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2015 and belongs to the 5 generation of the Intel Core i7 series.
To use the Intel Core i7-5775C, you'll need a motherboard with a LGA 1150 socket.
Intel Core i 2000 Group Intel Core i 5000
2 Generation 5
Desktop / Server Segment Desktop / Server
Intel Core i7-2600K Name Intel Core i7-5775C
Intel Core i7 Family Intel Core i7
 
 

CPU Cores and Base Frequency

The Intel Core i7-2600K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-2600K is 3.4 GHz
and turbo frequency for one core is 3.8 GHz.
The Intel Core i7-5775C has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-5775C is 3.3 GHz
and turbo frequency for one core is 3.7 GHz.
8 Threads 8
4x Cores 4x
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
3.8 GHz Turbo Frequency (1 core) 3.7 GHz
3.4 GHz Frequency 3.3 GHz
3.8 GHz Turbo Frequency (all cores) 3.5 GHz
 
 

Internal Graphics

The Intel Core i7-2600K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-2600K uses the Intel HD Graphics 3000, which has 96 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-5775C has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-5775C uses the Intel Iris Pro Graphics 6200, which has 384 texture shaders
and 48 execution units.
96 Shaders 384
Q1/2011 Release date Q2/2015
32 nm Technology 14 nm
10.1 Direct X 12
2.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
12 Execution units 48
0.85 GHz GPU frequency 0.3 GHz
6 Generation 8
1.35 GHz GPU (Turbo) 1.15 GHz
Intel HD Graphics 3000 GPU name Intel Iris Pro Graphics 6200
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
No VP8 Decode
Decode VC-1 Decode
No JPEG Decode
No AV1 No
No h265 / HEVC (8 bit) No
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
No VP9 No
No h265 / HEVC (10 bit) No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.0 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR3-1066, DDR3-1333 Memory type DDR3-1600
No ECC No
32.0 GB Max. Memory 32.0 GB
2 Memory channels 2
21.0 GB/s Bandwidth 25.6 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 95 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 65 W watts.
95 W TDP (PL1 / PBP) 65 W
-- Tjunction max --
 
 

Technical details

The Intel Core i7-2600K is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-5775C is manufactured using a 14 nm process.
In total, this processor boasts a generous 6.0 MB cache.
Q1/2011 Release date Q2/2015
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
32 nm Technology 14 nm
Monolithic Chip design Monolithic
270 $ Release price --
Sandy Bridge S Architecture Broadwell S
8.0 MB L3-Cache 6.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
LGA 1155 Socket LGA 1150
1.0 MB L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
16986
16986
Intel Core i7-2600K
4C 8T @ 3.4 GHz
12496
12496

Geekbench 6 (Multi-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
4309
4309
Intel Core i7-2600K
4C 8T @ 3.4 GHz
2457
2457

Geekbench 3, 64bit (Single-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
3978
3978
Intel Core i7-2600K
4C 8T @ 3.4 GHz
3193
3193

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
3897
3897
Intel Core i7-2600K
4C 8T @ 3.4 GHz
3098
3098

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
2218
2218
Intel Core i7-2600K
4C 8T @ 3.4 GHz
1690
1690

Geekbench 6 (Single-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
1230
1230
Intel Core i7-2600K
4C 8T @ 3.4 GHz
707
707

Cinebench R15 (Multi-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
774
774
Intel Core i7-2600K
4C 8T @ 3.4 GHz
612
612

Cinebench R15 (Single-Core)

Intel Core i7-5775C
4C 8T @ 3.3 GHz
150
150
Intel Core i7-2600K
4C 8T @ 3.4 GHz
128
128