Intel Core Ultra 5 245HX vs AMD Ryzen 5 8640HS

We compared two laptop CPUs: the 3.1 GHz Intel Core Ultra 5 245HX with 14-cores against the 3.5 GHz AMD Ryzen 5 8640HS with 6-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
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
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Key Differences

What are the key differences between 8640HS and 245HX
Advantages of Intel Core Ultra 5 245HX
  • Has 8 more physical cores
  • Unlocked multiplier
  • Newer - released 1 year and 1 month later
  • Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 35% faster in a single-core Geekbench v6 test - 2882 vs 2127 points
  • More modern manufacturing process – 3 versus 4 nanometers
  • Newer PCI Express version – 5.0
  • 4% higher Turbo Boost frequency (5.1 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 5 8640HS
  • More powerful Radeon 760M integrated graphics: 2.7 vs 1.5 TFLOPS
  • Supports up to 256 GB DDR5-5600 RAM

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#73rd place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1030 MB/sec 928.4 MB/sec
Clang compilation 147.3 Klines/sec 53.5 Klines/sec
HTML 5 Browser 253 pages/sec 169.7 pages/sec
PDF Renderer 327.9 Mpixels/sec 200 Mpixels/sec
Text processing 327.4 pages/sec 237.7 pages/sec
Background blur 70.8 images/sec 37.6 images/sec
Photo processing 87.7 images/sec 72.3 images/sec
Ray tracing 29.7 Mpixels/sec 11.2 Mpixels/sec
Sources: GeekBench [1] – 63 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 92.2 GOps/sec 67.1 GOps/sec
Floating point math 120.7 GOps/sec 39.2 GOps/sec
Find prime numbers 359M Primes/sec 71M Primes/sec
Random string sorting 47.6M Strings/sec 27.2M Strings/sec
Data encryption 30 GBytes/sec 13.5 GBytes/sec
Data compression 393.1 MBytes/sec 225.6 MBytes/sec
Physics 2526 Frames/sec 1002 Frames/sec
Extended instructions 31.2B Matrices/sec 15.9B Matrices/sec
Sources: PassMark [3], [4] – 22 & 286 samples

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 26.9 PPW 19.9 PPW
Geekbench 6 Multi / Watt 261.1 PPW 262.2 PPW
Passmark CPU Mark / Watt 692.2 PPW 661.4 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core Ultra 5 245HX and AMD Ryzen 5 8640HS

General

Vendor Intel Amd
Released January 6, 2025 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 4 (Hawk Point)
Model number 245HX -
Integrated GPU UHD Graphics Xe G4 (48 EU) Radeon 760M
Intel CPU rating (#45th place)
AMD Ryzen CPU ranking (#100th place)

CPU

Performance Cores
P-Cores 6 6
P-Threads 6 12
Base Frequency (P) 3.1 GHz 3.5 GHz
Turbo Boost Frequency (P) 5.1 GHz 4.9 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 2.6 GHz -
Turbo Boost Frequency (E) 4.5 GHz -
Total
Total Cores 14 6
Total Threads 14 12
Bus Frequency 100 MHz 100 MHz
Multiplier 31x 35x
L1 Cache 192K (per core) 64K (per core)
L2 Cache 3MB (per core) 1MB (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier Yes No

Package

Transistors - 25 billions
Fabrication Process 3 nm 4 nm
TDP (PL1) 45-55 W (configurable) 20-30 W (configurable)
Max. Boost TDP (PL2) 160 W -
Socket FCBGA-2114 FP8
Peak Temperature 105°C 100°C
Laptop processors ranking (57th and 181st place)

iGPU

Integrated Graphics Intel UHD Graphics Xe G4 (48 EU) Radeon 760M
GPU Base Clock 400 MHz 800 MHz
GPU Boost Clock 1900 MHz 2600 MHz
Shading Units 384 512
TMUs 24 32
ROPs 12 16
Execution Units 48 8
TGP 15 W 15 W
iGPU FLOPS
1.5 TFLOPS
2.7 TFLOPS

Memory Support

Memory Types - DDR5-6400 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 192 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s -
ECC Support Yes No

Misc

Official Site Intel Core Ultra 5 245HX official page AMD Ryzen 5 8640HS official page
PCI Express Version 5.0 4.0
PCI Express Lanes 24 20

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Comments

So which CPU will you choose: AMD Ryzen 5 8640HS or Intel Core Ultra 5 245HX?
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