AMD Ryzen 5 8645HS VS Intel Core Ultra 7 155H

We are comparing the AMD Ryzen 5 8645HS (AMD) with the Intel Core Ultra 7 155H (Intel). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.

KEY DIFFERENCES OF AMD Ryzen 5 8645HS AND Intel Core Ultra 7 155H

Here’s how AMD Ryzen 5 8645HS and Intel Core Ultra 7 155H stack up against each other in their most impactful areas.

AMD Ryzen 5 8645HS: 5 advantages Intel Core Ultra 7 155H: 4 advantages

Reasons to consider the AMD Ryzen 5 8645HS

5
  • 4% higher P-core turbo frequency (5000 MHz vs 4800 MHz)
  • 207% higher P-core base frequency (4300 MHz vs 1400 MHz)
  • 10% higher Geekbench V6 single-core score (2668 vs 2421)
  • 4% higher PassMark single-core score (3572 vs 3426)
  • 43% smaller manufacturing process (4 nm vs 7 nm)

Reasons to consider the Intel Core Ultra 7 155H

4
  • 83% more CPU threads (22 vs 12)
  • 167% more CPU cores (16 vs 6)
  • 12% higher Geekbench V6 multi-core score (12515 vs 11216)
  • 16% higher Blender score (172 vs 148)

SPECIFICATION TABLE COMPARISON OF AMD Ryzen 5 8645HS AND Intel Core Ultra 7 155H

Below is the detailed specification table comparing AMD Ryzen 5 8645HS and Intel Core Ultra 7 155H.

Note: Highlighted specs mean that CPU wins that spec row.

If neither side is highlighted, it is a tie or there is not enough data for both specs.

Specification AMD Ryzen 5 8645HS Intel Core Ultra 7 155H
General Information
CPU Name: AMD Ryzen 5 8645HS Intel Core Ultra 7 155H
Vendor: AMD Intel
Release Date: December 6, 2023 December 14, 2023
Type: Laptop Laptop
Instruction Set: x86-64 x86-64
Codename: Zen 4 (Hawk Point) Meteor Lake
Package and Thermals
Manufacturing Process: 4 nm 7 nm
Transistor Count: 25 billion
TDP (PL1): 35-54 W 20-65 W
Max Boost TDP (PL2): 115 W
Socket: FP8 FCBGA-2049
Max Temp (TJMax): 100 C 110 C
CPU Cores
Total Cores
Total Cores 6 16
Total Threads 12 22
P-Cores
P-Cores 6 6
P-Threads 12 12
P-Core Base Frequency 4300 MHz 1400 MHz
P-Core Turbo Frequency 5000 MHz 4800 MHz
E-Cores
E-Cores 10
E-Threads 10
E-Core Base Frequency 900 MHz
E-Core Turbo Frequency 3800 MHz
NPU
NPU
NPU TOPS 11 TOPS
Cache and Bus
Multiplier Locked Locked
Bus Frequency 100 MHz 100 MHz
L1 Cache 64 KB 112 KB
L2 Cache 1 MB 2 MB
L3 Cache 16 MB 24 MB
Memory Support
Memory Types: DDR5-5600, LPDDR5x-7500 LPDDR5-7467, LPDDR5x-7467, DDR5-5600
Max Memory Size: 256 GB 96 GB
Memory Channels: 2 2
ECC Support:
Technologies: AVX-512, BMI1, BMI2, F16C, SHA, XDNA2, Precision Boost 2, SMT, AMD-V, EVP, NX-Bit, SMAP, SMEP ABM, ADX, AI Boost NPU 3, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, SHA, VNNI, EIST, TBT 2.0, TBT 3.0, TSX, VT-d, VT-x, RDRAND, TXT, XD bit, vPro
Benchmarks
Geekbench V6
Multi-Core 11216 12515
Single-Core 2668 2421
File Compression 1150 1220
Clang Compression 85 101
HTML5 Browser 211 271
PDF Renderer 283 356
Text Processing 283 243
Background Blur 59 49
Photo Processing 83 117
Ray Tracing 18 19
PassMark CPU
Multi-Core 22121 24604
Single-Core 3572 3426
Integer Math 71100 86100
Floating Point 43900 62900
Prime Numbers 74 113
String Sorting 31300 31700
Data Encryption 15300 16200
Data Compression 259300 274500
Physics 1083 1708
Extended Instructions 19600 16300
Cinebench 2024
Multi-Core 727 957
Single-Core 103 99
Blender
Render Score 148 172

Tip: indicates a higher-is-better spec advantage, while indicates a lower-is-better advantage.

PERFORMANCE CHART COMPARISON OF AMD Ryzen 5 8645HS AND Intel Core Ultra 7 155H

The charts below visualize how AMD Ryzen 5 8645HS and Intel Core Ultra 7 155H stack up in key performance metrics.

Performance Radar Chart

Category scores overview (0 to 100)
AMD Ryzen 5 8645HS
Intel Core Ultra 7 155H

Performance Benchmarks

Grey is the market top value. Colored bars show each CPU's relative benchmark reach.
Market Top
AMD Ryzen 5 8645HS
Intel Core Ultra 7 155H

Release Timeline of AMD Ryzen 5 8645HS and Intel Core Ultra 7 155H

AMD Ryzen 5 8645HS
8 days
Intel Core Ultra 7 155H

AMD Ryzen 5 8645HS was released 8 days earlier than Intel Core Ultra 7 155H.

Value For Money Calculator

Prices use available launch or current data. Enter your own prices to see which CPU gives better value.

AMD Ryzen 5 8645HS

6C/12T
$
Value Index
0.0

Intel Core Ultra 7 155H

16C/22T
$
Value Index
0.0
AMD Ryzen 5 8645HS
Intel Core Ultra 7 155H
0%

Calculating...

Domain Score Summary

Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.

AMD Ryzen 5 8645HS Intel Core Ultra 7 155H
ALL
Overall
Difference: 2
Leads
AMD Ryzen 5 8645HS
75
Intel Core Ultra 7 155H
73
Single-Core Performance
Difference: 7
Leads
AMD Ryzen 5 8645HS
76
Intel Core Ultra 7 155H
69
Multi-Core Performance
Difference: 4
Leads
AMD Ryzen 5 8645HS
62
Intel Core Ultra 7 155H
66
CPU Architecture
Difference: 3
Leads
AMD Ryzen 5 8645HS
61
Intel Core Ultra 7 155H
58
Memory Architecture
Difference: 5
Leads
AMD Ryzen 5 8645HS
69
Intel Core Ultra 7 155H
64
Energy Efficiency
Difference: 1
Leads
AMD Ryzen 5 8645HS
77
Intel Core Ultra 7 155H
76

Our Verdict

In conclusion, the AMD Ryzen 5 8645HS edges out overall compared to the Intel Core Ultra 7 155H. Its strongest advantages are in Single-Core Performance, CPU Architecture, Memory Architecture and Energy Efficiency. The Intel Core Ultra 7 155H is the better fit if your top priority is Multi-Core Performance.

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Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.