Intel Core Ultra X9 388H vs AMD Ryzen 9 9955HX
Intel Core Ultra X9 388H
AMD Ryzen 9 9955HX
|
16 Cores
16 Threads
2.1GHz Clock
|
16 Cores
32 Threads
2.5GHz Clock
|
|
Socket
BGA 2540
|
Socket
FL1
|
|
iGPU
Arc B390 2500MHz
7.68 TFLOPS FP32
|
iGPU
Radeon 610M 2200MHz
560 GFLOPS FP32
|
|
GB6S N/A
0%
|
GB6S N/A
0%
|
|
GB6M N/A
0%
|
GB6M N/A
0%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
AMD
|
|
Architecture
Panther Lake
|
Architecture
Zen 5
|
|
Family
Core Ultra Series 3
|
Family
Ryzen 9000
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
-
-
Panther Lake-X-4P-12E
P-Core
Cougar Cove
M-Core
Darkmont
E-Core
Darkmont
|
Codename
Fire Range
Eldora
Fire Range 2CCD
-
Zen 5
-
-
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/5/2026
|
Release Date
1/6/2025
|
|
Foundry
Intel
TSMC (iGPU Die)
TSMC (PCH Die)
-
|
Foundry
TSMC
TSMC (IO Die)
-
-
|
|
Node
Intel 18A
N3E (iGPU Die)
N6 (PCH Die)
-
|
Node
N4X
N6 (IO Die)
-
-
|
|
Die Size
114 mm²
54 mm² (iGPU Die)
49 mm² (PCH Die)
-
|
Die Size
2x 71 mm²
122 mm² (IO Die)
-
-
|
|
Transistor Count
Unknown
-
4 Million (PCH Die)
-
|
Transistor Count
2x 8.3 Billion
3.4 Billion (IO Die)
-
-
|
|
16 Cores
4 P-Cores
8 M-Cores
4 E-Cores
|
16 Cores
-
-
-
|
|
16 Threads
4 P-Threads
8 M-Cores
4 E-Threads
|
32 Threads
-
-
-
|
|
P-Core
2.1GHz
5.1GHz Boost
-
|
-
2.5GHz
5.4GHz Boost
-
|
|
M-Core
1.6GHz
-
|
-
-
-
|
|
E-Core
1.6GHz
3.7GHz Boost
|
-
-
-
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Unlocked
-
-
-
|
|
Integrated Chipset
-
|
Type
PCIe
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
Transfer Rate
32GT/s
|
|
-
-
|
-
-
|
|
-
-
|
Lanes
8
|
|
-
-
|
Bandwidth
32GB/s
|
|
-
-
|
Bi-directional
64GB/s
|
|
L0 Instruction
64KB/Core
8-way set associative
|
L0 Instruction
-
-
|
|
L0 Data
48KB/Core
12-way set associative
|
L0 Data
-
-
|
|
L1 Instruction
-
-
64KB/M-Core
8-way set associative
64KB/E-Core
8-way set associative
|
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
|
|
L1 Data
192KB/P-Core
12-way set associative
32KB/M-Core
8-way set associative
32KB/E-Core
8-way set associative
|
L1 Data
48KB/Core
12-way set associative
-
-
-
-
|
|
L2
3072KB/Core
10-way set associative
-
-
-
-
8MB Shared (M-Core)
16-way set associative
-
-
4MB Shared (E-Core)
16-way set associative
|
L2
1024KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
|
|
L3
-
18MB Shared
-
12-way set associative
-
-
-
-
-
|
L3
-
64MB Shared
-
16-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
2
|
Channels
2
|
|
Max Memory
96GB
|
Max Memory
96GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
4800MHz
Transfer Rate
9600MT/s
|
Clock
2800MHz
Transfer Rate
5600MT/s
|
|
Bandwidth/Channel
76.8GB/s
Bandwidth
153.6GB/s
|
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
|
|
TDP
25W
15W cTDP Down
-
80W Peak
|
TDP
65W
55W cTDP Down
75W cTDP Up
-
|
|
Temp
100°C Max
-
|
Temp
95°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 5.0 x4 Lanes
PCIe 4.0 x8 Lanes
|
PCIe 5.0 x24 Lanes
|
|
Arc B390 2500MHz
1536 Shaders
2500MHz
7.68 TFLOPS FP32
|
Radeon 610M 2200MHz
128 Shaders
2200MHz
560 GFLOPS FP32
|
|
NPU 5
|
No NPU
-
|
|
-
3 Cores
|
-
-
|
|
50 TOPS INT8
|
-
|
|
ISP
IPU 7.5
|
-
-
|
|
No Cellular
|
No Cellular
|
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