AMD Ryzen 5 7640U vs AMD Ryzen 7 7745HX Full Specs
6 Cores 12 Threads 3.5GHz | 8 Cores 16 Threads 3.6GHz |
TDP 15W | TDP 55W |
Bandwidth 120GB/s · | Bandwidth 83.2GB/s DDR5 |
iGPU | iGPU |
·· 3.99 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
Socket | Socket |
Ryzen 5 7640U2,168
Ryzen 7 7745HX2,6606 Cores | 8 Cores |
12 Threads | 16 Threads |
Base Clock 3.5GHz | Base Clock 3.6GHz |
Boost Clock 4.9GHz | Boost Clock 5.1GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 1MB | L2 1MB |
L3 16MB | 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 15W | TDP 55W |
cTDP-down - | cTDP-down 45W |
cTDP-up - | cTDP-up 75W |
Max Operating Temp 95°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 x2039.4GB/sBandwidth | PCIe PCIe 5.0 x28110.3GB/sBandwidth |
iGPU | iGPU |
Shaders 384 | Shaders 128 |
Boost Clock 2.6GHz | Boost Clock 2.2GHz |
·· 3.99 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
NPU Model Ryzen AI | NPU Model - |
Performance 10 TOPS | Performance - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Phoenix Point - - | 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 178mm² - | Die Size 71mm² 122mm²IO |
Transistor Count 25 Billion - | Transistor Count 6.6 Billion 3.4 BillionIO |
Transistor Density 140 MTr/mm² - | Transistor Density 93 MTr/mm² 28 MTr/mm²IO |
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