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Intel Core i7 6820HQ vs i5 8265U

We compared two 4-core laptop CPUs: the 2.7 GHz Intel Core i7 6820HQ against the 1.6 GHz i5 8265U. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 8265U and 6820HQ
Advantages of Intel Core i7 6820HQ
  • Has 2 MB larger L3 cache size
Advantages of Intel Core i5 8265U
  • Consumes up to 67% less energy than the Core i7 6820HQ – 15 vs 45 Watt
  • Newer - released 3-years later
  • 8% higher Turbo Boost frequency (3.9 GHz vs 3.6 GHz)
  • Around 3.4 GB/s (10%) higher theoretical memory bandwidth
  • 12% faster in a single-core Geekbench v5 test - 952 vs 847 points

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
1735
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
6875
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
3350

Specifications

Full technical specification of Intel Core i7 6820HQ and i5 8265U

General

Vendor Intel Intel
Released September 1, 2015 August 28, 2018
Launch price 378 USD -
Type Laptop Laptop
Codename Skylake Whiskey Lake
Model number i7-6820HQ i5-8265U
Socket BGA-1440 BGA-1528
Integrated GPU HD Graphics 530 UHD Graphics 620

Performance

Cores 4 4
Threads 8 8
Base Frequency 2.7 GHz 1.6 GHz
Turbo Boost Frequency 3.6 GHz 3.9 GHz
Bus frequency - 100 MHz
Multiplier 0x 16x
Bus Bandwidth 8 GT/s 4 GT/s
L1 Cache 64K (per core) 32K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 8MB (shared) 6MB (shared)
Unlocked Multiplier No No

Power

Fabrication process 14 nm 14 nm
TDP 45 W 15 W
Max. temperature 100°C 100°C

iGPU

Integrated Graphics Intel HD Graphics 530 Intel UHD Graphics 620
GPU Base Clock - 300 MHz
GPU Boost Clock - 1000 MHz
Shading Units - 192
TMUs - 24
ROPs - 3
Execution Units - 24
TGP - 15 W
Max. Resolution - 4096x2304 - 60 Hz
iGPU FLOPS
0.38 TFLOPS

Memory support

Memory types DDR4-2133, LPDDR3-1866, DDR3L-1600 DDR4-2400, LPDDR3-2133
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 34.1 GB/s 37.5 GB/s
ECC Support No No

Misc

Official site Intel Core i7 6820HQ official page Intel Core i5 8265U official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 16
Instruction Set SSE4.1, SSE4.2, AVX-2 SSE4.1, SSE4.2, AVX-2

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Comments

So which CPU will you choose: Intel Core i5 8265U or i7 6820HQ?