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Square green ceramic chip with gold contacts and silver heat spreader engraved with Ryzen 7 3800X

AMD

AMD Ryzen 7 3800X 100-100000025BOX desktop processor

SKU CH-2ZB1-4SHQZ

Eight-core, 16-thread desktop CPU with 3.9 GHz base clock and 4.5 GHz max boost on AM4 socket

  • Processors TypeDesktop
  • NameRyzen 7 3800X
  • CPU Socket TypeSocket AM4
  • Core NameMatisse (Zen 2)
  • # of Cores8-Core
  • # of Threads16-Threads
  • 8 cores and 16 threads handle heavy multitasking with ease
  • 9 GHz base clock and 4.5 GHz max boost deliver strong single-thread speed
  • 32 MB L3 cache cuts latency for large data sets
  • PCIe 4.0 provides double the bandwidth of 3.0 for fast storage and graphics
  • 105 W TDP balances performance and cooling needs

8-core AM4 desktop processor

The AMD Ryzen 7 3800X is an 8-core, 16-thread unlocked desktop processor built for the AM4 platform. It targets enthusiasts and content creators who need strong multi-threaded throughput for rendering, compilation and heavy multitasking workloads. The chip operates at a 3.9 GHz base clock with a maximum boost of 4.5 GHz, supported by 32 MB of L3 cache and 4 MB of L2 cache. DDR4 memory runs across two channels and the processor exposes 16 lanes of PCI Express 4.0 and 3.0 connectivity.

Sustained-load behaviour at 105 W TDP

With a thermal design power of 105 W the processor is rated for continuous operation at its base frequency when paired with adequate cooling. The 7 nm Matisse die and 32 MB L3 cache help maintain throughput during long rendering or encoding sessions without relying on short burst behaviour. Boost clocks up to 4.5 GHz are opportunistic and depend on thermal headroom and motherboard power delivery rather than a fixed all-core guarantee. The dual-channel DDR4 controller keeps memory bandwidth stable under prolonged multi-threaded pressure.

Installation notes for Socket AM4

The processor drops into any Socket AM4 motherboard that carries a BIOS version supporting 3rd Gen Ryzen; older boards often need a firmware update before the CPU will post. No specialised tools are required beyond standard thermal paste and a compatible cooler rated for at least 105 W. The unlocked multiplier simplifies manual tuning, though excessive voltage can degrade the 7 nm silicon quickly. Common issues are forgotten BIOS updates and coolers that do not make full contact with the heatspreader.

Přednosti

  • 8 cores and 16 threads handle heavy multitasking with ease
  • 9 GHz base clock and 4.5 GHz max boost deliver strong single-thread speed
  • 32 MB L3 cache cuts latency for large data sets
  • PCIe 4.0 provides double the bandwidth of 3.0 for fast storage and graphics
  • 105 W TDP balances performance and cooling needs

Specifikace

BrandAMD
Processors TypeDesktop
SeriesRyzen 7 3rd Gen
NameRyzen 7 3800X
Model100-100000025BOX
CPU Socket TypeSocket AM4
Core NameMatisse (Zen 2)
# of Cores8-Core
# of Threads16-Threads
Operating Frequency3.9 GHz
Max Turbo Frequency4.5 GHz
L1 Cache512KB
L2 Cache4MB
L3 Cache32MB
Manufacturing Tech7nm
Instruction Set64-Bit
Memory Channel2
PCI Express Revision4.0 / 3.0
Max Number of PCI Express Lanes16
Thermal Design Power105W
Cooling DeviceCooling device not included - Processor Only
Operating System SupportedWindows 11

Otázky k tomuto produktu

How much heat and power does the 105W Ryzen 7 3800X produce under sustained load?

The processor has a 105W thermal design power, so sustained all-day workloads will draw up to that level and require a cooler rated for at least 105W.

What memory and cooler must I already own to install the AM4 3800X?

You need DDR4 memory modules and an AM4-compatible CPU cooler; the boxed version includes a Wraith Prism cooler if you have no aftermarket unit.

Will the PCIe 4.0 lanes of the 3800X work with my older PCIe 3.0 graphics card and storage?

Yes, the 16 PCIe lanes support both 4.0 and 3.0 revisions, so existing PCIe 3.0 devices will operate at their native speed.

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