Ryzen 5 8640HS vs Ryzen 5 7545U

Ryzen 5 8640HS
Ryzen 5 7545U
6 Cores
12 Threads
3.5GHz Clock
6 Cores
12 Threads
3.7GHz Clock
Socket
FP8
Socket
FP7
iGPU
Radeon 760M 2600MHz
iGPU
Radeon 740M 2800MHz
GB6S 2,265
60%
GB6S 2,150
57%
GB6M 9,800
41%
GB6M 8,500
35%
CB23S 1,730
74%
CB23S - N/A
0%
CB23M 13,040
32%
CB23M - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 4
Architecture
Zen 4
Family
Ryzen 8000
Family
Ryzen 7000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Hawk Point
-
-
-
-
-
-
-
-
Codename
Phoenix 2
-
-
P-Core
Zen 4
-
-
E-Core
Zen 4c
Market Segment
Laptop
Market Segment
Laptop
Release Date
12/6/2023
Release Date
11/2/2023
Foundry
TSMC
-
-
-
Foundry
TSMC
-
-
-
Node
N4
-
-
-
Node
N4
-
-
-
Die Size
178 mm²
-
-
-
Die Size
137 mm²
-
-
-
Transistor Count
25 Billion
-
-
-
Transistor Count
20.9 Billion
-
-
-
6 Cores
-
-
-
6 Cores
2 P-Cores
-
4 E-Cores
12 Threads
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
-
3.5GHz
4.9GHz Boost
-
P-Core
3.7GHz
4.9GHz Boost
-
-
-
-
-
-
-
-
-
-
E-Core
3GHz
3.5GHz Boost
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
PCIe
-
-
-
-
-
-
-
-
Transfer Rate
16GT/s
Transfer Rate
16GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
8GB/s
Bandwidth
8GB/s
Bi-directional
16GB/s
Bi-directional
16GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
256GB
Max Memory
256GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
3750MHz
Transfer Rate
7500MT/s
Clock
3750MHz
Transfer Rate
7500MT/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
TDP
28W
20W cTDP Down
30W cTDP Up
-
TDP
28W
15W cTDP Down
30W cTDP Up
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 4.0 x14 Lanes
Radeon 760M 2600MHz
384 Shaders
2600MHz
Radeon 740M 2800MHz
256 Shaders
2800MHz
XDNA
No NPU
-
-
-
-
-
16 TOPS
INT4
-
-
-
-
-
-
No Cellular
No Cellular
Change Results