AMD Ryzen 5 8640U VS AMD Ryzen 5 7640U

We are comparing the AMD Ryzen 5 8640U (AMD) with the AMD Ryzen 5 7640U (AMD). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.

KEY DIFFERENCES OF AMD Ryzen 5 8640U AND AMD Ryzen 5 7640U

Here’s how AMD Ryzen 5 8640U and AMD Ryzen 5 7640U stack up against each other in their most impactful areas.

AMD Ryzen 5 8640U: 2 advantages AMD Ryzen 5 7640U: 1 advantage

Reasons to consider the AMD Ryzen 5 8640U

2
  • 8% higher Geekbench V6 single-core score (2519 vs 2338)
  • Includes dedicated NPU acceleration

Reasons to consider the AMD Ryzen 5 7640U

1
  • 3% higher PassMark multi-core score (20611 vs 19961)

SPECIFICATION TABLE COMPARISON OF AMD Ryzen 5 8640U AND AMD Ryzen 5 7640U

Below is the detailed specification table comparing AMD Ryzen 5 8640U and AMD Ryzen 5 7640U.

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 8640U AMD Ryzen 5 7640U
General Information
CPU Name: AMD Ryzen 5 8640U AMD Ryzen 5 7640U
Vendor: AMD AMD
Release Date: December 6, 2023 May 3, 2023
Type: Laptop Laptop
Instruction Set: x86-64 x86-64
Codename: Zen 4 (Hawk Point) Zen 4 (Phoenix)
Package and Thermals
Manufacturing Process: 4 nm 4 nm
Transistor Count: 25 billion 25 billion
TDP (PL1): 15-30 W 15-30 W
Socket: FP8 FP8
Max Temp (TJMax): 100 C 100 C
CPU Cores
Total Cores
Total Cores 6 6
Total Threads 12 12
P-Cores
P-Cores 6 6
P-Threads 12 12
P-Core Base Frequency 3500 MHz 3500 MHz
P-Core Turbo Frequency 4900 MHz 4900 MHz
NPU
NPU
Cache and Bus
Multiplier Locked Locked
Bus Frequency 100 MHz 100 MHz
L1 Cache 64 KB 64 KB
L2 Cache 1 MB 1 MB
L3 Cache 16 MB 16 MB
Memory Support
Memory Types: DDR5-5600, LPDDR5x-7500 DDR5-5600, LPDDR5x-7500
Max Memory Size: 256 GB 256 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 AVX-512, BMI1, BMI2, F16C, SHA, Precision Boost 2, SMT, AMD-V, EVP, NX-Bit, SMAP, SMEP
Benchmarks
Geekbench V6
Multi-Core 10308 10420
Single-Core 2519 2338
File Compression 1080 1190
Clang Compression 71 72
HTML5 Browser 227 220
PDF Renderer 261 268
Text Processing 260 242
Background Blur 48 46
Photo Processing 95 95
Ray Tracing 16 15
PassMark CPU
Multi-Core 19961 20611
Single-Core 3453 3479
Integer Math 66300 68800
Floating Point 39500 39800
Prime Numbers 69 74
String Sorting 27600 28700
Data Encryption 13700 14400
Data Compression 226400 232800
Physics 1015 1161
Extended Instructions 16300 16600
Cinebench 2024
Multi-Core 611 596
Single-Core 103 95
Blender
Render Score 172

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

PERFORMANCE CHART COMPARISON OF AMD Ryzen 5 8640U AND AMD Ryzen 5 7640U

The charts below visualize how AMD Ryzen 5 8640U and AMD Ryzen 5 7640U stack up in key performance metrics.

Performance Radar Chart

Category scores overview (0 to 100)
AMD Ryzen 5 8640U
AMD Ryzen 5 7640U

Performance Benchmarks

Grey is the market top value. Colored bars show each CPU's relative benchmark reach.
Market Top
AMD Ryzen 5 8640U
AMD Ryzen 5 7640U

Release Timeline of AMD Ryzen 5 8640U and AMD Ryzen 5 7640U

AMD Ryzen 5 7640U
217 days
AMD Ryzen 5 8640U

AMD Ryzen 5 7640U was released 7 months, 3 days earlier than AMD Ryzen 5 8640U.

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 8640U

6C/12T
$
Value Index
0.0

AMD Ryzen 5 7640U

6C/12T
$
Value Index
0.0
AMD Ryzen 5 8640U
AMD Ryzen 5 7640U
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 8640U AMD Ryzen 5 7640U
ALL
Overall
Difference: 1
Leads
AMD Ryzen 5 8640U
73
AMD Ryzen 5 7640U
72
Single-Core Performance
Difference: 1
Leads
AMD Ryzen 5 8640U
71
AMD Ryzen 5 7640U
70
Multi-Core Performance
Difference: 0
Tie
AMD Ryzen 5 8640U
62
AMD Ryzen 5 7640U
62
CPU Architecture
Difference: 0
Tie
AMD Ryzen 5 8640U
58
AMD Ryzen 5 7640U
58
Memory Architecture
Difference: 0
Tie
AMD Ryzen 5 8640U
69
AMD Ryzen 5 7640U
69
Energy Efficiency
Difference: 0
Tie
AMD Ryzen 5 8640U
74
AMD Ryzen 5 7640U
74

Our Verdict

In conclusion, the AMD Ryzen 5 8640U has a narrow overall lead compared to the AMD Ryzen 5 7640U. Its strongest advantages are in Single-Core Performance. They are still fairly close in Multi-Core Performance, CPU Architecture, Memory Architecture and Energy Efficiency.

Try to Compare Again One of These CPUs With Another CPU

Pick which CPU to keep, then search for the other CPU to compare.

Select either cpu below to choose which one stays in the comparison.

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.