Intel Core i7-6600U vs Intel Core i5-1335U

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CPU comparison with benchmarks


Intel Core i7-6600U CPU1 vs CPU2 Intel Core i5-1335U
Intel Core i7-6600U Intel Core i5-1335U

CPU comparison

In this CPU comparison, we compare the Intel Core i7-6600U and the Intel Core i5-1335U 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 i5-1335U which has 10 CPU cores and was introduced in Q1/2023.
Intel Core i7 (298) Family Intel Core i5 (331)
Intel Core i 6000U (20) CPU group Intel Core i 1300P/1300U (29)
6 Generation 13
Skylake U Architecture Raptor Lake U
Mobile Segment Mobile
Intel Core i7-5600U Predecessor Intel Core i5-1235U
Intel Core i7-7600U Successor --

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 i5-1335U clocks with 1.30 GHz (4.60 GHz), has 10 CPU cores and can calculate 12 threads in parallel.

Intel Core i7-6600U Characteristic Intel Core i5-1335U
2 Cores 10
4 Threads 12
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz (3.40 GHz) A-Core 1.30 GHz (4.60 GHz)
2x Raptor Cove
-- B-Core 0.90 GHz (3.40 GHz)
8x Gracemont

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 i5-1335U
-- 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 Iris Xe Graphics 80 (Alder Lake)
0.30 GHz GPU frequency 0.35 GHz
1.05 GHz GPU (Turbo) 1.25 GHz
9 GPU Generation 13
14 nm Technology 10 nm
3 Max. displays 4
24 Compute units 80
192 Shader 640
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12.1

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.

Intel HD Graphics 520 GPU Intel Iris Xe Graphics 80 (Alder Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode
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 i5-1335U supports a maximum of 96 GB of memory with a maximum memory bandwidth of 102.4 GB/s enabled.

Intel Core i7-6600U Characteristic Intel Core i5-1335U
LPDDR3-1866, DDR4-2133 Memory LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200
32 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 102.4 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 12.00 MB
3.0 PCIe version 4.0
12 PCIe lanes 20
11.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Core i7-6600U has a TDP of 15 W. The TDP of the Intel Core i5-1335U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-6600U Characteristic Intel Core i5-1335U
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
25 W TDP up --
7.5 W TDP down 12 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-6600U has 4.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i5-1335U is at 12.00 MB. The processor is manufactured in 10 nm.

Intel Core i7-6600U Characteristic Intel Core i5-1335U
14 nm Technology 10 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 BGA 1744
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, Windows 11, Linux
Q3/2015 Release date Q1/2023
393 $ Release price --
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Rate these processors

Here you can rate the Intel Core i7-6600U to help other visitors make their purchasing decisions. The average rating is 4.0 stars (3 ratings). Rate now:
Here you can rate the Intel Core i5-1335U to help other visitors make their purchasing decisions. The average rating is 4.2 stars (26 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-6600U (50%)
Intel Core i5-1335U (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i7-6600U (22%)
Intel Core i5-1335U (100%)

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 (50%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
1628 (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 (21%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
7240 (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 (50%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
2183 (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 (24%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
8102 (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 (26%)
Intel Core i5-1335U Intel Core i5-1335U
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.25 GHz
1549 (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 (20%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
17062 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.40 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
1705 (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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
8970 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
652 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
3468 (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 i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
0 (0%)

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 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 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 i7-6600U Intel Core i7-6600U
2C 4T @ 3.00 GHz
323 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i7-6600U Intel Core i7-6600U
2.60 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
8,970 CB R23 MC @ 45 W
199 (100%)

Devices using this processor

Intel Core i7-6600U Intel Core i5-1335U
Unknown Unknown

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