Intel Core i7-5775R vs Intel Core i7-4790K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-5775R or Intel Core i7-5775R – 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 i7-5775R 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 i7-5775R, you'll need a motherboard with a BGA 1364 socket.
The Intel Core i7-4790K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2014 and belongs to the 4 generation of the Intel Core i7 series.
To use the Intel Core i7-4790K, you'll need a motherboard with a LGA 1150 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-5775R Name Intel Core i7-4790K
Intel Core i7 Family Intel Core i7
5 Generation 4
Intel Core i 5000 Group Intel Core i 4000
 
 

CPU Cores and Base Frequency

The Intel Core i7-5775R has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-5775R is 3.3 GHz
and turbo frequency for one core is 3.8 GHz.
The Intel Core i7-4790K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4790K is 4.0 GHz
and turbo frequency for one core is 4.4 GHz.
3.8 GHz Turbo Frequency (1 core) 4.4 GHz
Yes Overclocking Yes
normal Core architecture normal
3.3 GHz Frequency 4.0 GHz
8 Threads 8
3.5 GHz Turbo Frequency (all cores) 4.2 GHz
Yes Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Core i7-5775R has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-5775R uses the Intel Iris Pro Graphics 6200, which has 384 texture shaders
and 48 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-4790K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4790K uses the Intel HD Graphics 4600, which has 160 texture shaders
and 20 execution units.
0.3 GHz GPU frequency 0.35 GHz
Q2/2015 Release date Q2/2013
12 Direct X 11.1
Intel Iris Pro Graphics 6200 GPU name Intel HD Graphics 4600
14 nm Technology 22 nm
-- Max. displays --
384 Shaders 160
32.0 GB Max. GPU Memory 2.0 GB
48 Execution units 20
8 Generation 7.5
1.15 GHz GPU (Turbo) 1.25 GHz
 
 

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.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
No VP9 No
No h265 / HEVC (10 bit) No
Decode / Encode h264 Decode / Encode
Decode VP8 No
No h265 / HEVC (8 bit) No
Decode JPEG Decode
No AV1 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 29.9 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.
2 Memory channels 2
32.0 GB Max. Memory 32.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
29.9 GB/s Bandwidth 25.6 GB/s
DDR3-1866 Memory type
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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 88 W watts.
-- Tjunction max --
65 W TDP (PL1 / PBP) 88 W
 
 

Technical details

The Intel Core i7-5775R is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-4790K is manufactured using a 22 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q2/2015 Release date Q2/2014
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Broadwell S Architecture Devils Canyon S
14 nm Technology 22 nm
BGA 1364 Socket LGA 1150
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price 310 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
6.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-5775R
4C 8T @ 3.3 GHz
16986
16986
Intel Core i7-4790K
4C 8T @ 4.0 GHz
16686
16686

Geekbench 6 (Multi-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
4674
4674
Intel Core i7-5775R
4C 8T @ 3.3 GHz
4399
4399

Geekbench 3, 64bit (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
4302
4302
Intel Core i7-5775R
4C 8T @ 3.3 GHz
4083
4083

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-5775R
4C 8T @ 3.3 GHz
4002
4002
Intel Core i7-4790K
4C 8T @ 4.0 GHz
4001
4001

Geekbench 6 (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
1387
1387
Intel Core i7-5775R
4C 8T @ 3.3 GHz
1261
1261

Geekbench 5, 64bit (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
1073
1073
Intel Core i7-5775R
4C 8T @ 3.3 GHz
1012
1012

Cinebench R15 (Multi-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
854
854
Intel Core i7-5775R
4C 8T @ 3.3 GHz
774
774

Cinebench R15 (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
169
169
Intel Core i7-5775R
4C 8T @ 3.3 GHz
154
154