AMD Ryzen 5 7645HX vs AMD Ryzen 5 8645HS

AMD Ryzen 5 7645HX
AMD Ryzen 5 8645HS
6 Cores
12 Threads
4GHz Clock
6 Cores
12 Threads
4.3GHz Clock
Socket
FL1
Socket
FP8
iGPU
Radeon 610M 2200MHz
560 GFLOPS FP32
iGPU
Radeon 760M 2600MHz
2 TFLOPS FP32
CB23S 1,810
70%
CB23S 1,730
67%
CB23M 13,985
32%
CB23M 13,060
30%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 4
Architecture
Zen 4
Family
Ryzen 7000
Family
Ryzen 8000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Dragon Range
Durango
Dragon Range 1CCD
-
-
-
-
-
-
Codename
Hawk Point
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-
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/4/2023
Release Date
12/6/2023
Foundry
TSMC
TSMC (IO Die)
-
-
Foundry
TSMC
-
-
-
Node
N5
N6 (IO Die)
-
-
Node
N4
-
-
-
Die Size
71 mm²
122 mm² (IO Die)
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-
Die Size
178 mm²
-
-
-
Transistor Count
6.6 Billion
3.4 Billion (IO Die)
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-
Transistor Count
25 Billion
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-
-
6 Cores
-
-
-
6 Cores
-
-
-
12 Threads
-
-
-
12 Threads
-
-
-
-
4GHz
5GHz Boost
-
-
4.3GHz
5GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
PCIe
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-
-
-
-
-
-
-
Transfer Rate
32GT/s
Transfer Rate
16GT/s
-
-
-
-
Lanes
4
Lanes
4
Bandwidth
16GB/s
Bandwidth
8GB/s
Bi-directional
32GB/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
-
32MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
64GB
Max Memory
256GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
2600MHz
Transfer Rate
5200MT/s
Clock
3750MHz
Transfer Rate
7500MT/s
Bandwidth/Channel
41.6GB/s
Bandwidth
83.2GB/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
TDP
55W
45W cTDP Down
75W 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 5.0 x28 Lanes
PCIe 4.0 x20 Lanes
Radeon 610M 2200MHz
128 Shaders
2200MHz
560 GFLOPS FP32
Radeon 760M 2600MHz
384 Shaders
2600MHz
2 TFLOPS FP32
No NPU
-
XDNA
-
-
-
-
-
16 TOPS INT4
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-
-
-
No Cellular
No Cellular
Change Comparison