AMD Ryzen 5 7645HX vs AMD Ryzen 5 8540U

AMD Ryzen 5 7645HX
AMD Ryzen 5 8540U
6 Cores
12 Threads
4GHz Clock
6 Cores
12 Threads
3.2GHz Clock
Socket
FL1
Socket
FP7
iGPU
Radeon 610M 2200MHz
560 GFLOPS FP32
iGPU
Radeon 740M 2800MHz
1.43 TFLOPS FP32
CB23S 1,810
70%
CB23S 1,800
69%
CB23M 13,985
32%
CB23M 10,490
24%
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
-
Hawk Point S
P-Core
Zen 4
-
-
E-Core
Zen 4c
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)
-
-
Die Size
137 mm²
-
-
-
Transistor Count
6.6 Billion
3.4 Billion (IO Die)
-
-
Transistor Count
20.9 Billion
-
-
-
6 Cores
-
-
-
6 Cores
2 P-Cores
-
4 E-Cores
12 Threads
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
-
4GHz
5GHz Boost
-
P-Core
3.2GHz
4.9GHz Boost
-
-
-
-
-
-
-
-
-
-
E-Core
3.2GHz
-
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
PCIe
-
-
-
-
-
-
-
-
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
28W
15W cTDP Down
30W 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 x14 Lanes
Radeon 610M 2200MHz
128 Shaders
2200MHz
560 GFLOPS FP32
Radeon 740M 2800MHz
256 Shaders
2800MHz
1.43 TFLOPS FP32
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison