Intel Core i5 1245U vs i5 1145G7

We compared two laptop CPUs: the 1,6 GHz Intel Core i5 1245U with 10-cores against the 1.1-2.6 GHz i5 1145G7 with 4-cores. 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 1145G7 and 1245U
Advantages of Intel Core i5 1245U
  • Newer - released 1-year and 6-months later
  • Has 6 more physical cores
  • Has 4 MB larger L3 cache size
  • 16% faster in a single-core Geekbench v5 test - 1589 vs 1373 points

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
1635
Cinebench R23 (Multi-Core)
7447
Passmark CPU (Single-Core)
3177
Passmark CPU (Multi-Core)
13295
Geekbench 5 (Single-Core)
1589
Geekbench 5 (Multi-Core)
6965
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Specifications

Full technical specification of Intel Core i5 1245U and i5 1145G7

General

Vendor Intel Intel
Released February 23, 2022 September 1, 2020
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake Tiger Lake
Model number i5-1245U i5-1145G7
Integrated GPU Iris Xe Graphics (80EU) Iris Xe Graphics G7 80EU

CPU

Performance Cores
P-Cores 2 4
P-Threads 4 8
Base Frequency (P) 1,6 GHz 1.1-2.6 GHz
Turbo Boost Frequency (P) 4.4 GHz 4.4 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1,2 GHz -
Turbo Boost Frequency (E) 3.3 GHz -
Total
Total Cores 10 4
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 16x 11-26x
Bus Bandwidth - 4 GT/s
L1 Cache 80K (per core) 96K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 12MB (shared) 8MB (shared)
Unlocked Multiplier No No

Package

Fabrication process 10 nm 10 nm
Socket BGA-1744 BGA-1449
TDP 12-15 W (configurable) 12-28 W (configurable)
Max. Boost TDP 55 W -
Peak temperature 100°C 100°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (80EU) Intel Iris Xe Graphics G7 80EU
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1200 MHz 1300 MHz
Shading Units 640 640
TMUs 40 40
ROPs 20 20
Execution Units 80 80
TGP 15 W 15 W
iGPU FLOPS
1.41 TFLOPS
1.41 TFLOPS

Memory Support

Memory types DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 DDR4-3200, LPDDR4x-4267
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
ECC Support No No

Misc

Official site Intel Core i5 1245U official page Intel Core i5 1145G7 official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
12 (85.7%)
2 (14.3%)
Total votes: 14

Comments

So which CPU will you choose: Intel Core i5 1145G7 or i5 1245U?