AMD Ryzen 5 8640U vs AMD Ryzen 5 5500H

AMD Ryzen 5 8640U
AMD Ryzen 5 5500H
6 Cores
12 Threads
3.5GHz Clock
4 Cores
8 Threads
3.3GHz Clock
Socket
FP8
Socket
FP6
iGPU
Radeon 760M 2600MHz
2 TFLOPS FP32
iGPU
Radeon Vega 6 1800MHz
1.38 TFLOPS FP32

GB6 Single-Core

  • 53% faster vs Ryzen 5 5500H
  • 35% slower vs Ryzen 5 8640U
Ryzen 5 8640U - GB6S 2,265
x1.53
Ryzen 5 5500H - GB6S 1,480
x1

GB6 Multi-Core

  • 2.48x faster vs Ryzen 5 5500H
  • 60% slower vs Ryzen 5 8640U
Ryzen 5 8640U - GB6M 9,800
x2.48
Ryzen 5 5500H - GB6M 3,955
x1
  • 2.34x faster vs Ryzen 5 5500H
  • 57% slower vs Ryzen 5 8640U
Ryzen 5 8640U - 120.0GB/s
x2.34
Ryzen 5 5500H - 51.2GB/s
x1
  • 38% lower vs Ryzen 5 5500H
  • 61% higher vs Ryzen 5 8640U
Ryzen 5 8640U - 28W
x1
Ryzen 5 5500H - 45W
x1.61
  • 45% faster vs Ryzen 5 5500H
  • 31% slower vs Ryzen 5 8640U
Ryzen 5 8640U - 2 TFLOPS FP32
x1.45
Ryzen 5 5500H - 1.38 TFLOPS FP32
x1
GB6S 1,480
36%
GB6M 3,955
15%
CB23S 1,780
68%
CB23S N/A
0%
CB23M 11,290
26%
CB23M N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 4
Architecture
Zen 3
Family
Ryzen 8000
Family
Ryzen 5000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Hawk Point
Codename
Cezanne
Market Segment
Laptop
Market Segment
Laptop
Release Date
12/6/2023
Release Date
6/23/2023
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
4 Cores
12 Threads
8 Threads
3.5GHz
4.9GHz Boost
3.3GHz
4.2GHz 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
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
8MB Shared
16-way set associative
Channels
2
Channels
2
Max Memory
256GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
3750MHz
Transfer Rate
7500MT/s
Clock
1600MHz
Transfer Rate
3200MT/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
TDP
28W
15W cTDP Down
30W cTDP Up
TDP
45W
35W cTDP Down
54W cTDP Up
Temp
100°C Max
Temp
105°C Max
PCIe 4.0 x20 Lanes
PCIe 3.0 x16 Lanes
Radeon 760M 2600MHz
384 Shaders
2600MHz
2 TFLOPS FP32
Radeon Vega 6 1800MHz
384 Shaders
1800MHz
1.38 TFLOPS FP32
XDNA
No NPU
-
16 TOPS INT4
-
No Cellular
No Cellular
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