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Intel Core i7 1065G7 vs i5 8257U

We compared two 4-core laptop CPUs: the 1.3 GHz Intel Core i7 1065G7 against the 1.4 GHz i5 8257U. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
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 8257U and 1065G7
Advantages of Intel Core i7 1065G7
  • Supports up to 64 GB DDR4-3200 RAM
  • More modern manufacturing process – 10 versus 14 nanometers
  • Has 2 MB larger L3 cache size
  • 33% faster in a single-core Geekbench v5 test - 1235 vs 932 points


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


Full technical specification of Intel Core i7 1065G7 and i5 8257U


Vendor Intel Intel
Released August 1, 2019 July 9, 2019
Launch price - 320 USD
Type Laptop Laptop
Codename Ice Lake Coffee Lake
Model number i7-1065G7 i5-8257U
Socket BGA-1526 BGA-1528
Integrated GPU Iris Plus Graphics G7 Iris Plus Graphics 645


Cores 4 4
Threads 8 8
Base Frequency 1.3 GHz 1.4 GHz
Turbo Boost Frequency 3.9 GHz 3.9 GHz
Multiplier 13x 14x
Bus Bandwidth 4 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


Fabrication process 10 nm 14 nm
TDP 15 W 15 W
Max. temperature 100°C 100°C


Integrated Graphics Intel Iris Plus Graphics G7 Intel Iris Plus Graphics 645
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1100 MHz 1050 MHz
Shading Units 512 384
TMUs 64 48
ROPs 8 6
Execution Units - 48
TGP 15 W 15 W
Max. Resolution 5120x3200 - 60 Hz 4096x2304 - 60 Hz

Memory support

Memory types DDR4-3200, LPDDR4-3733 DDR4-2400, LPDDR3-2133
Memory Size 64 GB 32 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth - 37.5 GB/s
ECC Support No No


Official site Intel Core i7 1065G7 official page Intel Core i5 8257U official page
PCI Express Version 3.0 3.0
PCI Express Lanes - 16
Instruction Set SSE4.1, SSE4.2, AVX-2, AVX-512 SSE4.1, SSE4.2, AVX-2

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So which CPU will you choose: Intel Core i5 8257U or i7 1065G7?