AMD Ryzen 5 8640U vs AMD Ryzen 5 7540U
AMD Ryzen 5 8640U
AMD Ryzen 5 7540U
|
6 Cores
12 Threads
3.5GHz Clock
|
6 Cores
12 Threads
3.2GHz Clock
|
|
Socket
FP8
|
Socket
FP8
|
|
iGPU
Radeon 760M 2600MHz
2 TFLOPS FP32
|
iGPU
Radeon 740M 2500MHz
1.28 TFLOPS FP32
|
GB6 Single-Core
|
|
Ryzen 5 8640U - GB6S 2,265
x1.02
Ryzen 5 7540U - GB6S 2,230
x1
GB6 Multi-Core
|
|
Ryzen 5 8640U - GB6M 9,800
x1.21
Ryzen 5 7540U - GB6M 8,130
x1
CB23 Single-Core
|
|
Ryzen 5 8640U - CB23S 1,780
x1.09
Ryzen 5 7540U - CB23S 1,635
x1
CB23 Multi-Core
|
|
Ryzen 5 8640U - CB23M 11,290
x1.03
Ryzen 5 7540U - CB23M 11,010
x1
|
|
Ryzen 5 8640U - 120.0GB/s
x1
Ryzen 5 7540U - 120.0GB/s
x1
|
|
Ryzen 5 8640U - 28W
x1.87
Ryzen 5 7540U - 15W
x1
|
|
Ryzen 5 8640U - 2 TFLOPS FP32
x1.56
Ryzen 5 7540U - 1.28 TFLOPS FP32
x1
|
GB6S 2,265
56%
|
GB6S 2,230
55%
|
|
GB6M 9,800
37%
|
GB6M 8,130
30%
|
|
CB23S 1,780
68%
|
CB23S 1,635
63%
|
|
CB23M 11,290
26%
|
CB23M 11,010
26%
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Architecture
Zen 4
|
Architecture
Zen 4
|
|
Family
Ryzen 8000
|
Family
Ryzen 7000
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Hawk Point
|
Codename
Phoenix Point
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
12/6/2023
|
Release Date
5/3/2023
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Node
N4
|
Node
N4
|
|
Die Size
178 mm²
|
Die Size
178 mm²
|
|
Transistor Count
25 Billion
|
Transistor Count
25 Billion
|
|
6 Cores
|
6 Cores
|
|
12 Threads
|
12 Threads
|
|
3.5GHz
4.9GHz Boost
|
3.2GHz
4.9GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Locked
|
|
Type
PCIe
|
Type
PCIe
|
|
Transfer Rate
16GT/s
|
Transfer Rate
16GT/s
|
|
Lanes
4
|
Lanes
4
|
|
Bandwidth
8GB/s
|
Bandwidth
8GB/s
|
|
Bi-directional
16GB/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
16MB Shared
16-way set associative
|
L3
16MB Shared
16-way set associative
|
|
Channels
2
|
Channels
2
|
|
Max Memory
256GB
64GB
|
Max Memory
256GB
64GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
|
Clock
3750MHz
2800MHz
Transfer Rate
7500MT/s
5600MT/s
|
Clock
3750MHz
2800MHz
Transfer Rate
7500MT/s
5600MT/s
|
|
Bandwidth/Channel
60.0GB/s
44.8GB/s
Bandwidth
120.0GB/s
89.6GB/s
|
Bandwidth/Channel
60.0GB/s
44.8GB/s
Bandwidth
120.0GB/s
89.6GB/s
|
|
TDP
28W
15W cTDP Down
30W cTDP Up
|
TDP
15W
-
30W cTDP Up
|
|
Temp
100°C Max
|
Temp
100°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 4.0 x20 Lanes
|
PCIe 4.0 x20 Lanes
|
|
Radeon 760M 2600MHz
384 Shaders
2600MHz
2 TFLOPS FP32
|
Radeon 740M 2500MHz
256 Shaders
2500MHz
1.28 TFLOPS FP32
|
|
XDNA
|
No NPU
-
|
|
16 TOPS INT4
|
-
|
|
No Cellular
|
No Cellular
|
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