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Intel Core i7 8550U vs i7 6820HQ

We compared two 4-core laptop CPUs: the 1.8 GHz Intel Core i7 8550U against the 2.7 GHz i7 6820HQ. 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 6820HQ and 8550U
Advantages of Intel Core i7 8550U
  • Consumes up to 67% less energy than the Core i7 6820HQ – 15 vs 45 Watt
  • Newer - released 2-years later
  • 17% faster in a single-core Geekbench v5 test - 989 vs 847 points
  • 11% higher Turbo Boost frequency (4 GHz vs 3.6 GHz)
  • Around 3.4 GB/s (10%) higher theoretical memory bandwidth
Advantages of Intel Core i7 6820HQ
  • Supports up to 64 GB DDR4-2133 RAM

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 8550U and i7 6820HQ

General

Vendor Intel Intel
Released August 21, 2017 September 1, 2015
Launch price - 378 USD
Type Laptop Laptop
Codename Kaby Lake R Skylake
Model number i7-8550U i7-6820HQ
Socket BGA-1356 BGA-1440
Integrated GPU UHD Graphics 620 HD Graphics 530

Performance

Cores 4 4
Threads 8 8
Base Frequency 1.8 GHz 2.7 GHz
Turbo Boost Frequency 4 GHz 3.6 GHz
Bus frequency 100 MHz -
Multiplier 18x 0x
Bus Bandwidth 4 GT/s 8 GT/s
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 8MB (shared) 8MB (shared)
Unlocked Multiplier No No

Power

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

iGPU

Integrated Graphics Intel UHD Graphics 620 Intel HD Graphics 530
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 DDR4-2400, LPDDR3-2133 DDR4-2133, LPDDR3-1866, DDR3L-1600
Memory Size 32 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 37.5 GB/s 34.1 GB/s
ECC Support No No

Misc

Official site Intel Core i7 8550U official page Intel Core i7 6820HQ official page
PCI Express Version 3.0 3.0
PCI Express Lanes 12 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 i7 6820HQ or i7 8550U?