Intel Core i7-6600U vs Intel Core i3-6320

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CPU comparison with benchmarks


Intel Core i7-6600U CPU1 vs CPU2 Intel Core i3-6320
Intel Core i7-6600U Intel Core i3-6320

CPU comparison

In this CPU comparison, we compare the Intel Core i7-6600U and the Intel Core i3-6320 and use benchmarks to check which processor is faster.

We compare the Intel Core i7-6600U 2 core processor released in Q3/2015 with the Intel Core i3-6320 which has 2 CPU cores and was introduced in Q3/2015.
Intel Core i7 (293) Family Intel Core i3 (202)
Intel Core i 6000U (20) CPU group Intel Core i 6000 (24)
6 Generation 6
Skylake U Architecture Skylake S
Mobile Segment Desktop / Server
Intel Core i7-5600U Predecessor --
Intel Core i7-7600U Successor Intel Core i3-7320

CPU Cores and Base Frequency

The Intel Core i7-6600U is a 2 core processor with a clock frequency of 2.60 GHz (3.40 GHz). The processor can compute 4 threads at the same time. The Intel Core i3-6320 clocks with 3.90 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Core i7-6600U Characteristic Intel Core i3-6320
2 Cores 2
4 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz Frequency 3.90 GHz
3.40 GHz Turbo Frequency (1 Core) --
3.00 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 i7-6600U Characteristic Intel Core i3-6320
-- 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 HD Graphics 520 GPU Intel HD Graphics 530
0.30 GHz GPU frequency 0.35 GHz
1.05 GHz GPU (Turbo) 1.15 GHz
9 GPU Generation 9
14 nm Technology 14 nm
3 Max. displays 3
24 Compute units 24
192 Shader 192
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12

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 HD Graphics 520 GPU Intel HD Graphics 530
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-6600U, while the Intel Core i3-6320 supports a maximum of 64 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.

Intel Core i7-6600U Characteristic Intel Core i3-6320
LPDDR3-1866, DDR4-2133 Memory DDR4-2133, DDR3-1600
32 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 34.1 GB/s
No ECC Yes
-- L2 Cache --
4.00 MB L3 Cache 4.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 16
11.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Core i7-6600U has a TDP of 15 W. The TDP of the Intel Core i3-6320 is 51 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-6600U Characteristic Intel Core i3-6320
15 W TDP (PL1 / PBP) 51 W
-- TDP (PL2) --
25 W TDP up --
7.5 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i7-6600U has 4.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i3-6320 is at 4.00 MB. The processor is manufactured in 14 nm.

Intel Core i7-6600U Characteristic Intel Core i3-6320
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 1356 Socket LGA 1151
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
Q3/2015 Release date Q3/2015
393 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.40 GHz
820 (81%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
1011 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
1513 (65%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
2331 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.40 GHz
1092 (83%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
1311 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
1937 (71%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
2730 (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 i7-6600U Intel Core i7-6600U
Intel HD Graphics 520 @ 1.05 GHz
403 (91%)
Intel Core i3-6320 Intel Core i3-6320
Intel HD Graphics 530 @ 1.15 GHz
442 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
3465 (79%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
4400 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.40 GHz
144 (90%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
160 (100%)

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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
323 (78%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
413 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 2.60 GHz
898 (100%)
Intel Core i3-6320 Intel Core i3-6320
2C 4T @ 3.90 GHz
0 (0%)

Devices using this processor

Intel Core i7-6600U Intel Core i3-6320
Unknown Unknown

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