AMD Ryzen 5 7645HX vs AMD Ryzen 9 7845HX Full Specs

Summary

6 Cores 12 Threads 4GHz	12 Cores 24 Threads 3GHz
TDP 55W	TDP 55W
Bandwidth 83.2GB/s DDR5	Bandwidth 83.2GB/s DDR5
iGPU Radeon 610M 2200MHz	iGPU Radeon 610M 2200MHz
Peak·FP32·FP16 1.13 TFLOPSFP16	Peak·FP32·FP16 1.13 TFLOPSFP16
Socket FL1	Socket FL1

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 TDP

Ryzen 5 7645HX2,678

x1

Ryzen 9 7845HX2,736

x1.02

Show Top Score

Core Config

6 Cores	12 Cores
12 Threads	24 Threads

Clocks

Base Clock 4GHz	Base Clock 3GHz
Boost Clock 5GHz	Boost Clock 5.2GHz
Overclocking Unlocked	Overclocking Unlocked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 1MB	L2 1MB
L3 32MB	L3 64MB

Memory

Type DDR5	Type DDR5
Max Memory 64GB	Max Memory 64GB
ECC No	ECC No
Channels 2	Channels 2
Bus Width 128-bit	Bus Width 128-bit
Speed 5200MT/s	Speed 5200MT/s
Bandwidth 83.2GB/s	Bandwidth 83.2GB/s
Bandwidth Calculator Channels Transfer Rate5200MT/s Calculated Bandwidth 83.2GB/s	Bandwidth Calculator Channels Transfer Rate5200MT/s Calculated Bandwidth 83.2GB/s

Power & Thermals

TDP 55W	TDP 55W
cTDP-down 45W	cTDP-down 45W
cTDP-up 75W	cTDP-up 75W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max

Chipset Bus

Bus Type PCIe	Bus Type PCIe
Bus Config 4 lanes	Bus Config 4 lanes
Bus Speed 32GT/s	Bus Speed 32GT/s
Bus Bandwidth 16GB/s	Bus Bandwidth 16GB/s

Expansion

PCIe PCIe 5.0 x28 110.3GB/sBandwidth

PCIe PCIe 5.0 x28 110.3GB/sBandwidth

iGPU

iGPU Radeon 610M 2200MHz	iGPU Radeon 610M 2200MHz
Shaders 128	Shaders 128
Boost Clock 2.2GHz	Boost Clock 2.2GHz
Peak·FP32·FP16 1.13 TFLOPSFP16	Peak·FP32·FP16 1.13 TFLOPSFP16

Chip

Manufacturer AMD	Manufacturer AMD
ISA x86-64	ISA x86-64
Architecture Zen 4	Architecture Zen 4
Family Ryzen 7000	Family Ryzen 7000
Branding	Branding
Codename Dragon Range DurangoDie Dragon Range 1CCDVariant	Codename Dragon Range DurangoDie Dragon Range 2CCDVariant
Market Segment Laptop	Market Segment Laptop
Release Date Jan 4, 2023	Release Date Jan 4, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCIO	Other Foundries TSMCIO
Fabrication Node N5 N6IO	Fabrication Node N5 N6IO
Die Size 71mm² 122mm²IO	Die Size 142mm² 122mm²IO
Transistor Count 6.6 Billion 3.4 BillionIO	Transistor Count 13.1 Billion 3.4 BillionIO
Transistor Density 93 MTr/mm² 28 MTr/mm²IO	Transistor Density 93 MTr/mm² 28 MTr/mm²IO

Images

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Used In

Laptops -

Laptops Alienware m16(R1 AMD, Early 2023)Alienware m18(R1 AMD, Early 2023)

Competitors

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AMDRyzen 9 7845HX vs CPU AMDRyzen AI Max 390 AMDRyzen 9 7845HX vs CPU AMDRyzen AI Max 385 AMDRyzen 9 7845HX vs CPU AMDRyzen AI Max+ 395 Show 12 more