Intel Core i7-6800K vs Intel Core i3-2357M

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CPU comparison with benchmarks


Intel Core i7-6800K CPU1 vs CPU2 Intel Core i3-2357M
Intel Core i7-6800K Intel Core i3-2357M

CPU comparison

Intel Core i7-6800K or Intel Core i3-2357M - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-6800K has 6 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-6800K was released in Q2/2016.

The Intel Core i3-2357M has 2 cores with 4 threads and clocks with a maximum frequency of 1.30 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i3-2357M was released in Q2/2011.
Intel Core i7 Extreme Edition (24) Family Intel Core i3 (202)
Intel Core i 6000 (24) CPU group Intel Core i 2000M (46)
6 Generation 2
Skylake S Architecture Sandy Bridge H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-6800K is a 6 core processor with a clock frequency of 3.40 GHz (3.60 GHz). The Intel Core i3-2357M has 2 CPU cores with a clock frequency of 1.30 GHz.

Intel Core i7-6800K Characteristic Intel Core i3-2357M
6 Cores 2
12 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.40 GHz Frequency 1.30 GHz
3.60 GHz Turbo Frequency (1 Core) --
-- 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 i7-6800K Characteristic Intel Core i3-2357M
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU Intel HD Graphics 3000
GPU frequency 0.35 GHz
-- GPU (Turbo) 0.95 GHz
-- GPU Generation 6
Technology 32 nm
Max. displays 2
-- Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 10.1

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 iGPU GPU Intel HD Graphics 3000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG No

Memory & PCIe

The Intel Core i7-6800K supports a maximum of 128 GB of memory in 4 memory channels. The Intel Core i3-2357M can connect up to 16 GB of memory in 2 memory channels.

Intel Core i7-6800K Characteristic Intel Core i3-2357M
DDR4-2400 Memory DDR3-1333
128 GB Max. Memory 16 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 21.3 GB/s
No ECC Yes
-- L2 Cache --
15.00 MB L3 Cache 3.00 MB
3.0 PCIe version 2.0
28 PCIe lanes 16
27.6 GB/s PCIe Bandwidth 8.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-6800K has a TDP of 140 W, that of the Intel Core i3-2357M is 17 W.

Intel Core i7-6800K Characteristic Intel Core i3-2357M
140 W TDP (PL1 / PBP) 17 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-6800K has a 15.00 MB cache, while the Intel Core i3-2357M cache has a total of 3.00 MB.

Intel Core i7-6800K Characteristic Intel Core i3-2357M
14 nm Technology 32 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, AVX
LGA 2011-3 Socket BGA 1023
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2016 Release date Q2/2011
628 $ Release price --
show more data show more data


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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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
1080 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
277 (26%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
6314 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
659 (10%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
1267 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
206 (16%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
5960 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
440 (7%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
10752 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
760 (7%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.60 GHz
949 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
0 (0%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
6645 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
0 (0%)

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 i7-6800K Intel Core i7-6800K
@ 0.00 GHz
0 (0%)
Intel Core i3-2357M Intel Core i3-2357M
Intel HD Graphics 3000 @ 0.95 GHz
182 (100%)

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 i7-6800K Intel Core i7-6800K
6C 12T @ 3.40 GHz
3194 (100%)
Intel Core i3-2357M Intel Core i3-2357M
2C 4T @ 1.30 GHz
0 (0%)

Devices using this processor

Intel Core i7-6800K Intel Core i3-2357M
Unknown Unknown

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