Ryzen 5 PRO 8645HS vs Ryzen 5 7640U

Ryzen 5 PRO 8645HS
Ryzen 5 7640U
8 Cores
16 Threads
3.3GHz Clock
6 Cores
12 Threads
3.5GHz Clock
Socket
FP7
Socket
FP8
iGPU
Radeon 780M 2700MHz
iGPU
Radeon 760M 2600MHz
GB6S 2,350
62%
GB6S 2,170
58%
GB6M 10,200
43%
GB6M 8,855
37%
CB23S - N/A
0%
CB23S 1,635
70%
CB23M - N/A
0%
CB23M 11,010
27%
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
-
-
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
4/16/2024
Release Date
5/3/2023
Foundry
TSMC
-
-
-
Foundry
TSMC
-
-
-
Node
N4
-
-
-
Node
N4
-
-
-
Die Size
178 mm²
-
-
-
Die Size
178 mm²
-
-
-
Transistor Count
25 Billion
-
-
-
Transistor Count
25 Billion
-
-
-
8 Cores
-
-
-
6 Cores
-
-
-
16 Threads
-
-
-
12 Threads
-
-
-
-
3.3GHz
5.1GHz Boost
-
-
3.5GHz
4.9GHz 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
15W
-
-
-
Temp
100°C Max
-
Temp
95°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 4.0 x20 Lanes
Radeon 780M 2700MHz
768 Shaders
2700MHz
Radeon 760M 2600MHz
384 Shaders
2600MHz
XDNA
Ryzen AI
-
-
-
-
16 TOPS
INT4
10 TOPS
-
-
-
-
-
No Cellular
No Cellular
Change Results