Ryzen 9 8945HS vs Ryzen 9 7940HS

Ryzen 9 8945HS
Ryzen 9 7940HS
8 Cores
16 Threads
4GHz Clock
8 Cores
16 Threads
4GHz Clock
Socket
FP8
Socket
FP8
iGPU
Radeon 780M 2700MHz
iGPU
Radeon 780M 2800MHz
GB6S 2,385
63%
GB6S 2,465
65%
GB6M 11,800
49%
GB6M 11,560
48%
CB23S 1,805
77%
CB23S 1,830
78%
CB23M 17,080
41%
CB23M 17,495
42%
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
12/6/2023
Release Date
1/3/2023
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
-
-
-
8 Cores
-
-
-
16 Threads
-
-
-
16 Threads
-
-
-
-
4GHz
5.2GHz Boost
-
-
4GHz
5.2GHz 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 780M 2700MHz
768 Shaders
2700MHz
Radeon 780M 2800MHz
768 Shaders
2800MHz
XDNA
Ryzen AI
-
-
-
-
16 TOPS
INT4
10 TOPS
-
-
-
-
-
No Cellular
No Cellular
Change Results