Intel Core i5-5675R vs Intel Core i7-6900K

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CPU comparison with benchmarks


Intel Core i5-5675R CPU1 vs CPU2 Intel Core i7-6900K
Intel Core i5-5675R Intel Core i7-6900K

CPU comparison

In this CPU comparison, we compare the Intel Core i5-5675R and the Intel Core i7-6900K and use benchmarks to check which processor is faster.

We compare the Intel Core i5-5675R 4 core processor released in Q2/2015 with the Intel Core i7-6900K which has 8 CPU cores and was introduced in Q2/2016.
Intel Core i5 (328) Family Intel Core i7 Extreme Edition (24)
Intel Core i 5000 (7) CPU group Intel Core i 6000 (24)
5 Generation 6
Broadwell S Architecture Skylake S
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-5675R is a 4 core processor with a clock frequency of 3.10 GHz (3.60 GHz). The processor can compute 4 threads at the same time. The Intel Core i7-6900K clocks with 3.20 GHz (3.70 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Intel Core i5-5675R Characteristic Intel Core i7-6900K
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? Yes
3.10 GHz Frequency 3.20 GHz
3.60 GHz Turbo Frequency (1 Core) 3.70 GHz
3.30 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-5675R Characteristic Intel Core i7-6900K
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel Iris Pro Graphics 6200 GPU no iGPU
0.30 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
48 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

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.

Intel Iris Pro Graphics 6200 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-5675R, while the Intel Core i7-6900K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.

Intel Core i5-5675R Characteristic Intel Core i7-6900K
DDR3-1866 Memory DDR4-2400
32 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
29.9 GB/s Max. Bandwidth 76.8 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 20.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 40
15.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Core i5-5675R has a TDP of 65 W. The TDP of the Intel Core i7-6900K is 140 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-5675R Characteristic Intel Core i7-6900K
65 W TDP (PL1 / PBP) 140 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-5675R has 4.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-6900K is at 20.00 MB. The processor is manufactured in 14 nm.

Intel Core i5-5675R Characteristic Intel Core i7-6900K
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1364 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2015 Release date Q2/2016
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.60 GHz
972 (90%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1086 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.30 GHz
3370 (44%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
7651 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.60 GHz
1157 (92%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1254 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.30 GHz
3632 (49%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
7471 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.30 GHz
5440 (38%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
14474 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.60 GHz
0 (0%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
1151 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.30 GHz
0 (0%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
11326 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-5675R Intel Core i5-5675R
Intel Iris Pro Graphics 6200 @ 1.10 GHz
845 (100%)
Intel Core i7-6900K Intel Core i7-6900K
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.10 GHz
0 (0%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
4402 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.60 GHz
146 (100%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.70 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-5675R Intel Core i5-5675R
4C 4T @ 3.30 GHz
572 (100%)
Intel Core i7-6900K Intel Core i7-6900K
8C 16T @ 3.20 GHz
0 (0%)

Devices using this processor

Intel Core i5-5675R Intel Core i7-6900K
Unknown Unknown

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