AMD Ryzen 5 7645HX vs AMD Ryzen 5 7640H

AMD Ryzen 5 7645HX
AMD Ryzen 5 7640H
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

GB6 Single-Core

  • 17% faster vs Ryzen 5 7640H
  • 14% slower vs Ryzen 5 7645HX
Ryzen 5 7645HX - GB6S 2,680
x1.17
Ryzen 5 7640H - GB6S 2,300
x1

GB6 Multi-Core

  • 29% faster vs Ryzen 5 7640H
  • 23% slower vs Ryzen 5 7645HX
Ryzen 5 7645HX - GB6M 11,780
x1.29
Ryzen 5 7640H - GB6M 9,100
x1
  • 31% slower vs Ryzen 5 7640H
  • 44% faster vs Ryzen 5 7645HX
Ryzen 5 7645HX - 83.2GB/s
x1
Ryzen 5 7640H - 120.0GB/s
x1.44
  • 22% higher vs Ryzen 5 7640H
  • 18% lower vs Ryzen 5 7645HX
Ryzen 5 7645HX - 55W
x1.22
Ryzen 5 7640H - 45W
x1
  • 72% slower vs Ryzen 5 7640H
  • 3.57x faster vs Ryzen 5 7645HX
Ryzen 5 7645HX - 560 GFLOPS FP32
x1
Ryzen 5 7640H - 2 TFLOPS FP32
x3.57
GB6S 2,300
57%
GB6M 9,100
34%
CB23S 1,810
70%
CB23S N/A
0%
CB23M 13,985
32%
CB23M N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 4
Architecture
Zen 4
Family
Ryzen 7000
Family
Ryzen 7000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Dragon Range
Durango
Dragon Range 1CCD
Codename
Phoenix Point
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/4/2023
Release Date
1/3/2023
Foundry
TSMC
TSMC (IO Die)
Foundry
TSMC
-
Node
N5
N6 (IO Die)
Node
N4
-
Die Size
71 mm²
122 mm² (IO Die)
Die Size
178 mm²
-
Transistor Count
6.6 Billion
3.4 Billion (IO Die)
Transistor Count
25 Billion
-
6 Cores
6 Cores
12 Threads
12 Threads
4GHz
5GHz Boost
4.3GHz
5GHz Boost
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
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
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
-
Ryzen AI
-
10 TOPS
No Cellular
No Cellular
Change Comparison