Ryzen 5 7640H vs Ryzen 5 8645HS

Ryzen 5 7640H
Ryzen 5 8645HS
6 Cores
12 Threads
4.3GHz Clock
6 Cores
12 Threads
4.3GHz Clock
Socket
FP8
Socket
FP8
iGPU
Radeon 760M 2600MHz
iGPU
Radeon 760M 2600MHz
GB6S 2,300
61%
GB6S 2,350
62%
GB6M 9,100
38%
GB6M 10,200
43%
CB23S - N/A
0%
CB23S 1,730
74%
CB23M - N/A
0%
CB23M 13,060
32%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 4
Architecture
Zen 4
Family
Ryzen 7000
Family
Ryzen 8000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Phoenix
-
-
-
-
-
-
-
-
Codename
Hawk Point
-
-
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/3/2023
Release Date
12/6/2023
Foundry
TSMC
-
-
-
Foundry
TSMC
-
-
-
Node
N4
-
-
-
Node
N4
-
-
-
Die Size
178 mm²
-
-
-
Die Size
178 mm²
-
-
-
Transistor Count
25 Billion
-
-
-
Transistor Count
25 Billion
-
-
-
6 Cores
-
-
-
6 Cores
-
-
-
12 Threads
-
-
-
12 Threads
-
-
-
-
4.3GHz
5GHz Boost
-
-
4.3GHz
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
45W
35W cTDP Down
54W cTDP Up
-
TDP
45W
35W cTDP Down
54W 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 x20 Lanes
Radeon 760M 2600MHz
384 Shaders
2600MHz
Radeon 760M 2600MHz
384 Shaders
2600MHz
Ryzen AI
XDNA
-
-
-
-
10 TOPS
-
16 TOPS
INT4
-
-
-
-
No Cellular
No Cellular
Change Results