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AMD Ryzen Threadripper 3960X
The Ryzen Threadripper 3960X is the 24-core model of AMD's Zen 2 Threadripper 3000 series for the sTRX4 socket, with 48 threads, a 3.8 GHz base clock, up to 4.5 GHz boost and 128 MB of L3 cache. It has a 280 W TDP and quad-channel DDR4 memory support up to 256 GB.
Pros
- 24 cores and 48 threads with a 3.8 GHz base clock and up to 4.5 GHz boost
- 128 MB of L3 cache and 12 MB of L2 cache
- Quad-channel DDR4-3200 memory support, up to 256 GB
- 64 PCIe 4.0 lanes from the CPU (56 usable for devices) for GPUs and NVMe storage
- $600 cheaper at launch than the 32-core Threadripper 3970X
Cons
- 280 W TDP and no cooler in the box
- No integrated graphics, so a discrete graphics card is required
- Requires the sTRX4 socket and TRX40 motherboards, which are not compatible with earlier Threadripper processors
- $1,399 launch price, before a TRX40 board and quad-channel memory
Very good
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the AMD Ryzen Threadripper 3960X
General
- Announced
- 2019
- Socket
- sTRX4
- Process
- 7 nm
- Base TDP
- 280 W
- Unlocked multiplier
- Yes
- Cooler included
- No
Cores & Clocks
- Cores
- 24
- Performance cores
- 24
- Efficiency cores
- 0
- Threads
- 48
- Base clock
- 3.8 GHz
- Boost clock
- 4.5 GHz
- L2 cache
- 12 MB
- L3 cache
- 128 MB
Memory
- Memory support
- DDR4-3200
- Max memory
- 256 GB
- Memory channels
- 4
Platform
- PCIe version
- 4
- CPU PCIe lanes
- 64
Benchmarks
- PassMark
- 54,741Top 10%
- PassMark (single thread)
- 2,681Bottom 29%
Quick answers
Is the AMD Ryzen Threadripper 3960X good in 2026?
The AMD Ryzen Threadripper 3960X earns an Inno Score of 71.1/100 (“Very good”) based on its specs and benchmark results. The Ryzen Threadripper 3960X is the 24-core model of AMD's Zen 2 Threadripper 3000 series for the sTRX4 socket, with 48 threads, a 3.8 GHz base clock, up to 4.5 GHz boost and 128 MB of L3 cache. It has a 280 W TDP and quad-channel DDR4 memory support up to 256 GB.
What are the key specs of the AMD Ryzen Threadripper 3960X?
Cores: 24 · Threads: 48 · Boost clock: 4.5 GHz · Socket: sTRX4
What are the closest alternatives to the AMD Ryzen Threadripper 3960X?
Its closest rivals on InnoReviews are Intel Core Ultra 5 245K, Intel Core i9-12900KS, Intel Core i7-14700F — open the comparison pages for a spec-by-spec breakdown.
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