CPUs

AMD Ryzen 9 9955HX3D vs AMD Ryzen AI Max+ PRO 395 Full Specs

16 Cores
32 Threads
2.5GHz
16 Cores
32 Threads
3GHz
TDP
65W
TDP
65W
Bandwidth
89.6GB/s
DDR5
Bandwidth
256GB/s
LPDDR5X
iGPU
iGPU
··
1.13 TFLOPSFP16
··
29.7 TFLOPSFP16
Socket
Socket

Ryzen 9 9955HX3DRyzen 9 9955HX3D89.6GB/s
x1
Ryzen AI Max+ PRO 395Ryzen AI Max+ PRO 395256GB/s
x2.86

16 Cores
16 Cores
32 Threads
32 Threads

Base Clock
2.5GHz
Base Clock
3GHz
Boost Clock
5.4GHz
Boost Clock
5.1GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
48KB
L1d
48KB
L2
1MB
L2
1MB
L3
192MB(V-Cache)
L3
64MB

Type
DDR5
Type
LPDDR5X
Max Memory
96GB
Max Memory
128GB
ECC
No
ECC
No
Channels
2
Channels
4
Bus Width
128-bit
Bus Width
256-bit
Speed
5600MT/s
Speed
8000MT/s
Bandwidth
89.6GB/s
Bandwidth
256GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
89.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
256GB/s

TDP
65W
TDP
65W
cTDP-down
55W
cTDP-down
45W
cTDP-up
75W
cTDP-up
120W
Max Operating Temp
95°C Max
Max Operating Temp
100°C Max
Included Cooler
0
Included Cooler
0

Bus Type
PCIe
Bus Type
PCIe
Bus Config
8 lanes
Bus Config
4 lanes
Bus Speed
32GT/s
Bus Speed
16GT/s
Bus Bandwidth
32GB/s
Bus Bandwidth
8GB/s

PCIe
PCIe 5.0 x24
94.5GB/sBandwidth
PCIe
PCIe 4.0 x16
31.5GB/sBandwidth

iGPU
iGPU
Shaders
128
Shaders
2560
Boost Clock
2.2GHz
Boost Clock
2.9GHz
··
1.13 TFLOPSFP16
··
29.7 TFLOPSFP16

NPU Model
-
NPU Model
XDNA 2
NPU Cores
-
NPU Cores
32
Performance
-
Performance
50 TOPSINT8

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Ryzen 9 2024 branding
Branding
Ryzen AI Max Plus PRO 2024 branding
Codename
Fire Range
EldoraDie
Fire Range 2CCD 3DVariant
Zen 5P-Core
Codename
Strix Halo
EldoraDie
-
Zen 5P-Core
Market Segment
Laptop
Market Segment
Laptop
Release Date
Jan 6, 2025
Release Date
Jan 6, 2025

Foundry
TSMC
Foundry
TSMC
Other Foundries
TSMCIO
-
Other Foundries
-
TSMCSoC
Fabrication Node
N4X
N6IO
-
Fabrication Node
N4X
-
N5SoC
Die Size
141mm²
122mm²IO
Die Size
141mm²
-
Transistor Count
16.6 Billion
3.4 BillionIO
Transistor Count
16.6 Billion
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO
Transistor Density
118 MTr/mm²
-

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