Intel Core i7-6700K vs Intel Xeon E3-1245 v5

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6700K or Intel Core i7-6700K – 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 i7-6700K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i7 series.
To use the Intel Core i7-6700K, you'll need a motherboard with a LGA 1151 socket.
The Intel Xeon E3-1245 v5 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2015 and belongs to the 5 generation of the Intel Xeon E3 series.
To use the Intel Xeon E3-1245 v5, you'll need a motherboard with a LGA 1151 socket.
Intel Core i 6000 Group Intel Xeon E3 v5
6 Generation 5
Desktop / Server Segment Desktop / Server
Intel Core i7-6700K Name Intel Xeon E3-1245 v5
Intel Core i7 Family Intel Xeon E3
 
 

CPU Cores and Base Frequency

The Intel Core i7-6700K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-6700K is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
The Intel Xeon E3-1245 v5 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon E3-1245 v5 is 3.5 GHz
and turbo frequency for one core is 3.9 GHz.
8 Threads 8
4x Cores 4x
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking No
4.2 GHz Turbo Frequency (1 core) 3.9 GHz
4.0 GHz Frequency 3.5 GHz
4.0 GHz Turbo Frequency (all cores) 3.7 GHz
 
 

Internal Graphics

The Intel Core i7-6700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6700K uses the Intel HD Graphics 530, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Xeon E3-1245 v5 has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon E3-1245 v5 uses the Intel HD Graphics P530, which has 192 texture shaders
192 Shaders 192
Q3/2015 Release date Q3/2015
14 nm Technology 14 nm
12 Direct X 12
32.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
24 Execution units 24
0.35 GHz GPU frequency 0.4 GHz
9 Generation 9
1.15 GHz GPU (Turbo) 1.15 GHz
Intel HD Graphics 530 GPU name Intel HD Graphics P530
 
 

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 VP8 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode VP9 No
Decode h265 / HEVC (10 bit) No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 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
DDR4-2133, DDR3-1866 Memory type DDR4-2133
No ECC Yes
64.0 GB Max. Memory 64.0 GB
2 Memory channels 2
34.1 GB/s Bandwidth 34.1 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 91 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 80 W watts.
91 W TDP (PL1 / PBP) 80 W
-- Tjunction max --
 
 

Technical details

The Intel Core i7-6700K 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon E3-1245 v5 is manufactured using a 14 nm process.
Q3/2015 Release date Q4/2015
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
14 nm Technology 14 nm
Monolithic Chip design Monolithic
420 $ Release price --
Skylake S Architecture Skylake S
8.0 MB L3-Cache 8.0 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 1151 Socket LGA 1151
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
17028
17028
Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
15751
15751

Geekbench 6 (Multi-Core)

Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
4725
4725
Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459
Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
4089
4089

Geekbench 6 (Single-Core)

Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
1414
1414
Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347