AMD Ryzen 5 8640U vs AMD Ryzen 5 7430U
AMD Ryzen 5 8640U
AMD Ryzen 5 7430U
|
6 Cores
12 Threads
3.5GHz Clock
|
6 Cores
12 Threads
2.3GHz Clock
|
|
Socket
FP8
|
Socket
FP6
|
|
iGPU
Radeon 760M 2600MHz
2 TFLOPS FP32
|
iGPU
Radeon 7CU 1800MHz RDNA 2
1.61 TFLOPS FP32
|
GB6 Single-Core
|
|
Ryzen 5 8640U - GB6S 2,265
x1.47
Ryzen 5 7430U - GB6S 1,540
x1
GB6 Multi-Core
|
|
Ryzen 5 8640U - GB6M 9,800
x1.56
Ryzen 5 7430U - GB6M 6,300
x1
CB23 Single-Core
|
|
Ryzen 5 8640U - CB23S 1,780
x1.25
Ryzen 5 7430U - CB23S 1,420
x1
CB23 Multi-Core
|
|
Ryzen 5 8640U - CB23M 11,290
x1.38
Ryzen 5 7430U - CB23M 8,200
x1
|
|
Ryzen 5 8640U - 120.0GB/s
x1.76
Ryzen 5 7430U - 68.3GB/s
x1
|
|
Ryzen 5 8640U - 28W
x1.87
Ryzen 5 7430U - 15W
x1
|
|
Ryzen 5 8640U - 2 TFLOPS FP32
x1.24
Ryzen 5 7430U - 1.61 TFLOPS FP32
x1
|
GB6S 2,265
56%
|
GB6S 1,540
38%
|
|
GB6M 9,800
37%
|
GB6M 6,300
24%
|
|
CB23S 1,780
68%
|
CB23S 1,420
55%
|
|
CB23M 11,290
26%
|
CB23M 8,200
19%
|
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Architecture
Zen 4
|
Architecture
Zen 3
|
|
Family
Ryzen 8000
|
Family
Ryzen 7000
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Hawk Point
|
Codename
Barcelo-R
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
12/6/2023
|
Release Date
11/1/2023
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Node
N4
|
Node
N7
|
|
Die Size
178 mm²
|
Die Size
180 mm²
|
|
Transistor Count
25 Billion
|
Transistor Count
10.7 Billion
|
|
6 Cores
|
6 Cores
|
|
12 Threads
|
12 Threads
|
|
3.5GHz
4.9GHz Boost
|
2.3GHz
4.3GHz Boost
|
|
Overclocking
Locked
|
Overclocking
Locked
|
|
Type
PCIe
|
Type
PCIe
|
|
Transfer Rate
16GT/s
|
Transfer Rate
8GT/s
|
|
Lanes
4
|
Lanes
4
|
|
Bandwidth
8GB/s
|
Bandwidth
4GB/s
|
|
Bi-directional
16GB/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
32KB/Core
8-way set associative
|
L1 Data
32KB/Core
8-way set associative
|
|
L2
1024KB/Core
8-way set associative
|
L2
512KB/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
16GB
32GB
|
|
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
2133MHz
1600MHz
Transfer Rate
4266MT/s
3200MT/s
|
|
Bandwidth/Channel
60.0GB/s
44.8GB/s
Bandwidth
120.0GB/s
89.6GB/s
|
Bandwidth/Channel
34.1GB/s
25.6GB/s
Bandwidth
68.3GB/s
51.2GB/s
|
|
TDP
28W
15W cTDP Down
30W cTDP Up
|
TDP
15W
-
-
|
|
Temp
100°C Max
|
Temp
95°C Max
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 4.0 x20 Lanes
|
PCIe 3.0 x16 Lanes
|
|
Radeon 760M 2600MHz
384 Shaders
2600MHz
2 TFLOPS FP32
|
Radeon 7CU 1800MHz RDNA 2
448 Shaders
1800MHz
1.61 TFLOPS FP32
|
|
XDNA
|
No NPU
-
|
|
16 TOPS INT4
|
-
|
|
No Cellular
|
No Cellular
|
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