AMD Ryzen 9 9955HX vs AMD Ryzen 9 PRO 8945HS

AMD Ryzen 9 9955HX
AMD Ryzen 9 PRO 8945HS
16 Cores
32 Threads
2.5GHz Clock
8 Cores
16 Threads
4GHz Clock
Socket
FL1
Socket
FP7
iGPU
Radeon 610M 2200MHz
560 GFLOPS FP32
iGPU
Radeon 780M 2700MHz
4.15 TFLOPS FP32
GB6S N/A
0%
GB6S 2,385
59%
GB6M N/A
0%
GB6M 11,800
44%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 5
Architecture
Zen 4
Family
Ryzen 9000
Family
Ryzen 8000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Fire Range
Eldora
Fire Range 2CCD
-
Zen 5
-
-
-
-
Codename
Hawk Point
-
-
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
4/16/2024
Foundry
TSMC
TSMC (IO Die)
-
-
Foundry
TSMC
-
-
-
Node
N4X
N6 (IO Die)
-
-
Node
N4
-
-
-
Die Size
2x 71 mm²
122 mm² (IO Die)
-
-
Die Size
178 mm²
-
-
-
Transistor Count
2x 8.3 Billion
3.4 Billion (IO Die)
-
-
Transistor Count
25 Billion
-
-
-
16 Cores
-
-
-
8 Cores
-
-
-
32 Threads
-
-
-
16 Threads
-
-
-
-
2.5GHz
5.4GHz Boost
-
-
4GHz
5.2GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
PCIe
-
-
-
-
-
-
-
-
Transfer Rate
32GT/s
Transfer Rate
16GT/s
-
-
-
-
Lanes
8
Lanes
4
Bandwidth
32GB/s
Bandwidth
8GB/s
Bi-directional
64GB/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
48KB/Core
12-way set associative
-
-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
1024KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
64MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
96GB
Max Memory
256GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
2800MHz
Transfer Rate
5600MT/s
Clock
3750MHz
Transfer Rate
7500MT/s
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
TDP
65W
55W cTDP Down
75W cTDP Up
-
TDP
45W
35W cTDP Down
54W cTDP Up
-
Temp
95°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 5.0 x24 Lanes
PCIe 4.0 x20 Lanes
Radeon 610M 2200MHz
128 Shaders
2200MHz
560 GFLOPS FP32
Radeon 780M 2700MHz
768 Shaders
2700MHz
4.15 TFLOPS FP32
No NPU
-
XDNA
-
-
-
-
-
16 TOPS INT4
-
-
-
-
No Cellular
No Cellular
Change Comparison