AMD Ryzen 3 7440U vs AMD Ryzen 5 7645HX Full Specs
4 Cores(1P+3E) 8 Threads(2P+6E) 3.6GHz | 6 Cores 12 Threads 4GHz |
TDP 28W | TDP 55W |
Bandwidth 120GB/s · | Bandwidth 83.2GB/s DDR5 |
iGPU | iGPU |
·· 2.56 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
Socket | Socket |
Ryzen 3 7440U2,100
Ryzen 5 7645HX2,6784 Cores 1P 3E | 6 Cores 6P - |
8 Threads 2P 6E | 12 Threads 12P - |
Base Clock 3.6GHz | Base Clock 4GHz |
Boost Clock 4.7GHz | Boost Clock 5GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 32KB P | L1i 32KB P |
L1d 32KB P | L1d 32KB P |
L2 1MB P | L2 1MB P |
L3 8MB | L3 32MB |
Type · | Type DDR5 |
Max Memory 256GB | Max Memory 64GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 7500MT/s | Speed 5200MT/s |
Bandwidth 120GB/s | Bandwidth 83.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 120GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 83.2GB/s |
TDP 28W | TDP 55W |
cTDP-down 15W | cTDP-down 45W |
cTDP-up 30W | cTDP-up 75W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Included Cooler 0 | Included Cooler - |
Bus Type PCIe | Bus Type PCIe |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 16GT/s | Bus Speed 32GT/s |
Bus Bandwidth 8GB/s | Bus Bandwidth 16GB/s |
PCIe PCIe 4.0 x1427.6GB/sBandwidth | PCIe PCIe 5.0 x28110.3GB/sBandwidth |
iGPU | iGPU |
Shaders 256 | Shaders 128 |
Boost Clock 2.5GHz | Boost Clock 2.2GHz |
·· 2.56 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Phoenix 2 - - Zen 4P-Core Zen 4cE-Core | Codename Dragon Range DurangoDie Dragon Range 1CCDVariant - - |
Market Segment Laptop | Market Segment Laptop |
Release Date May 3, 2023 | Release Date Jan 4, 2023 |
Foundry TSMC | Foundry TSMC |
Other Foundries - | Other Foundries TSMCIO |
Fabrication Node N4 - | Fabrication Node N5 N6IO |
Die Size 137mm² - | Die Size 71mm² 122mm²IO |
Transistor Count 20.9 Billion - | Transistor Count 6.6 Billion 3.4 BillionIO |
Transistor Density 153 MTr/mm² - | Transistor Density 93 MTr/mm² 28 MTr/mm²IO |
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