AMD Ryzen 9 3900XT vs AMD Ryzen 7 5705G Full Specs
12 Cores 24 Threads 3.8GHz | 8 Cores 16 Threads 3.8GHz |
TDP 105W | TDP 65W |
Bandwidth 51.2GB/s DDR4 | Bandwidth 51.2GB/s DDR4 |
iGPU 0 | iGPU |
·· - | ·· 4.51 TFLOPSFP16 |
Socket | Socket |
Ryzen 9 3900XT1,744
Ryzen 7 5705G2,00212 Cores | 8 Cores |
24 Threads | 16 Threads |
Base Clock 3.8GHz | Base Clock 3.8GHz |
Boost Clock 4.7GHz | Boost Clock 4.6GHz |
Overclocking Unlocked | Overclocking Unlocked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 512KB | L2 512KB |
L3 64MB | L3 16MB |
Type DDR4 | Type DDR4 |
Max Memory 128GB | Max Memory 128GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 3200MT/s | Speed 3200MT/s |
Bandwidth 51.2GB/s | Bandwidth 51.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 51.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 51.2GB/s |
TDP 105W | TDP 65W |
cTDP-down - | cTDP-down 45W |
Peak Power 145W | Peak Power 88W |
Max Operating Temp 95°C Max | Max Operating Temp 95°C Max |
Included Cooler 0 | Included Cooler 1 |
Bus Type PCIe | Bus Type PCIe |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 16GT/s | Bus Speed 8GT/s |
Bus Bandwidth 8GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 4.0 x2039.4GB/sBandwidth | PCIe PCIe 3.0 x2019.7GB/sBandwidth |
iGPU 0 | iGPU |
Shaders - | Shaders 512 |
Boost Clock - | Boost Clock 2.2GHz |
·· - | ·· 4.51 TFLOPSFP16 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Matisse Aspen HighlandsDie Matisse 2CCDVariant | Codename Cezanne - - |
Market Segment Desktop | Market Segment Desktop |
Release Date Jul 7, 2020 | Release Date Feb 26, 2025 |
Foundry TSMC | Foundry TSMC |
Other Foundries GlobalFoundriesIO | Other Foundries - |
Fabrication Node N7 12LPIO | Fabrication Node N7 - |
Die Size 148mm² 125mm²IO | Die Size 180mm² - |
Transistor Count 7.6 Billion 2.1 BillionIO | Transistor Count 10.7 Billion - |
Transistor Density 51 MTr/mm² 17 MTr/mm²IO | Transistor Density 59 MTr/mm² - |
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