AMD Ryzen 9 9955HX3D vs AMD Ryzen 5 6600U
AMD Ryzen 9 9955HX3D
AMD Ryzen 5 6600U
|
16 Cores
32 Threads
2.5GHz Clock
|
6 Cores
12 Threads
2.9GHz Clock
|
|
Socket
FL1
|
Socket
FP7
|
|
iGPU
Radeon 610M 2200MHz
560 GFLOPS FP32
|
iGPU
Radeon 660M 1900MHz
1.46 TFLOPS FP32
|
|
GB6S N/A
0%
|
GB6S 1,750
43%
|
|
GB6M N/A
0%
|
GB6M 6,800
25%
|
|
CB23S N/A
0%
|
CB23S 1,435
55%
|
|
CB23M N/A
0%
|
CB23M 8,020
19%
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Architecture
Zen 5
|
Architecture
Zen 3+
|
|
Family
Ryzen 9000
|
Family
Ryzen 6000
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Fire Range
Eldora
Fire Range 2CCD 3D
-
Zen 5
-
-
-
-
|
Codename
Rembrandt
-
-
-
-
-
-
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/6/2025
|
Release Date
1/4/2022
|
|
Foundry
TSMC
TSMC (IO Die)
-
-
|
Foundry
TSMC
-
-
-
|
|
Node
N4X
N6 (IO Die)
-
-
|
Node
N6
-
-
-
|
|
Die Size
2x 71 mm²
122 mm² (IO Die)
-
-
|
Die Size
210 mm²
-
-
-
|
|
Transistor Count
2x 8.3 Billion
3.4 Billion (IO Die)
-
-
|
Transistor Count
13.1 Billion
-
-
-
|
|
16 Cores
-
-
-
|
6 Cores
-
-
-
|
|
32 Threads
-
-
-
|
12 Threads
-
-
-
|
|
-
2.5GHz
5.4GHz Boost
-
|
-
2.9GHz
4.5GHz Boost
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Locked
-
-
-
|
|
Type
PCIe
|
Type
PCIe
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Transfer Rate
32GT/s
|
Transfer Rate
8GT/s
|
|
-
-
|
-
-
|
|
Lanes
8
|
Lanes
4
|
|
Bandwidth
32GB/s
|
Bandwidth
4GB/s
|
|
Bi-directional
64GB/s
|
Bi-directional
8GB/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
512KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
|
|
L3
-
192MB Shared
(64MB V-Cache)
16-way set associative
-
-
-
-
-
|
L3
-
32MB Shared
-
16-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
2
|
Channels
4
|
|
Max Memory
96GB
|
Max Memory
64GB
64GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
256Bit
|
|
Clock
2800MHz
Transfer Rate
5600MT/s
|
Clock
2400MHz
3200MHz
Transfer Rate
4800MT/s
6400MT/s
|
|
Bandwidth/Channel
44.8GB/s
Bandwidth
89.6GB/s
|
Bandwidth/Channel
38.4GB/s
51.2GB/s
Bandwidth
153.6GB/s
204.8GB/s
|
|
TDP
65W
55W cTDP Down
75W cTDP Up
-
|
TDP
15W
-
28W cTDP Up
-
|
|
Temp
95°C Max
-
|
Temp
95°C Max
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 5.0 x24 Lanes
|
PCIe 4.0 x16 Lanes
|
|
Radeon 610M 2200MHz
128 Shaders
2200MHz
560 GFLOPS FP32
|
Radeon 660M 1900MHz
384 Shaders
1900MHz
1.46 TFLOPS FP32
|
|
No NPU
-
|
No NPU
-
|
|
-
-
|
-
-
|
|
-
|
-
|
|
-
-
|
-
-
|
|
No Cellular
|
No Cellular
|
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