Home > CPU Comparisons > Core i7 10510U or Core i5 10300H: what's better?

Intel Core i7 10510U vs i5 10300H

We compared two 4-core laptop CPUs: the 1.8 GHz Intel Core i7 10510U against the 2.5 GHz i5 10300H. 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 10300H and 10510U
Advantages of Intel Core i7 10510U
  • Consumes up to 67% less energy than the Core i5 10300H – 15 vs 45 Watt
  • 9% higher Turbo Boost frequency (4.9 GHz vs 4.5 GHz)
Advantages of Intel Core i5 10300H
  • Supports up to 128 GB DDR4-2933 RAM
  • Newer - released 7-months later
  • Around 4.14 GB/s (10%) higher theoretical memory bandwidth
  • 11% faster in a single-core Geekbench v5 test - 1091 vs 987 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 10510U and i5 10300H


Vendor Intel Intel
Released August 21, 2019 April 2, 2020
Type Laptop Laptop
Codename Comet Lake Comet Lake
Model number i7-10510U -
Socket BGA-1528 BGA-1440
Integrated GPU Intel UHD Graphics 620 Intel UHD Graphics 630


Cores 4 4
Threads 8 8
Base Frequency 1.8 GHz 2.5 GHz
Turbo Boost Frequency 4.9 GHz 4.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 18x 25x
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


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

Memory support

Memory types DDR4-2666, LPDDR3-2133 DDR4-2933
Memory Size 64 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.66 GB/s 45.8 GB/s
ECC Support No No


Official site Intel Core i7 10510U official page Intel Core i5 10300H official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 16
Instruction Set SSE4.1, SSE4.2, AVX-2 -

Cast your vote

Choose between two processors
9 (13.6%)
57 (86.4%)
Total votes: 66


So which CPU will you choose: Intel Core i5 10300H or i7 10510U?