AMD Ryzen 9 7945HX vs AMD Ryzen 5 7640U
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
May 2023
Manufacturer
AMD
AMD
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Dragon Range)
Zen 4 (Phoenix)
Integrated Graphics
Radeon 610M
Radeon 760M
Package
Transistor Count
13.1 billions
25 billions
Manufacturing Process
5 nm
4 nm
Socket
FL1
FP8
Power Consumption
55-75 W
15-30 W
Peak Operating Temperature
100°C
100 °C
CPU Performance
Performance Cores
16
6
Performance Core Threads
32
12
Performance Core Base Frequency
2.5 GHz
3.5 GHz
Performance Core Turbo Frequency
5.4 GHz
4.9 GHz
Total Core Count
16
6
Total Thread Count
32
12
Bus Frequency
100 MHz
100 MHz
Multiplier
25x
35
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
6 MB
L3 Cache
64 MB shared
16 MB
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5200
DDR5-5600, LPDDR5x-7500
Max Memory Size
64 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
89.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
800 MHz
GPU Max Dynamic Frequency
2200 MHz
2600 MHz
Shader Units
128
512
Texture Units
8
32
Raster Operation Units
4
16
Execution Units
2
8
Power Consumption
15 W
15
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
20
AI Accelerator
NPU
—
AMD Ryzen™ AI
Theoretical performance
—
10 TOPS
Benchmark
Cinebench R23
1,950
1,633
Cinebench R23
33,542
11,000
Geekbench 6
2,906
2,337
Geekbench 5
2,095
—
Geekbench 6
19,413
10,412
Geekbench 5
19,488
—
Cinebench 2024
114
—
Cinebench 2024
1,669
—
Blender
544
181
Passmark CPU
4,076
3,506
Passmark CPU
55,213
21,172
▲ Specs Compare
Data sourced from official specifications and benchmark tests.