AMD
AMD Ryzen 9 7900X
Twelve Zen 4 cores across two CCDs at a 170 W TDP, built for rendering, compiling and video work rather than games. It occupies an awkward middle ground in 2026: an X3D chip games better and the 7950X does production work faster.
Pros
- Twelve cores and 24 threads at 5.6 GHz boost — roughly 50% more multithreaded throughput than the 7700X
- 64 MB of L3 and 12 MB of L2 help large compiles and multi-instance workloads
- 230 W PPT means it holds high all-core clocks under sustained rendering loads
- Full 28 CPU PCIe 5.0 lanes for a Gen 5 GPU plus Gen 5 storage
- Includes the 2 CU RDNA 2 iGPU, so a workstation can run displays without a graphics card
Cons
- No bundled cooler and it will pin at 95 C on anything short of a 280 mm AIO
- Dual-CCD layout adds cross-die latency that makes it slower in games than the cheaper 7800X3D
- 170 W TDP / 230 W PPT is poor performance per watt next to the 120 W 9900X that replaced it
- Largely a used or clearance part now; new pricing rarely makes sense against Zen 5
Very good
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the AMD Ryzen 9 7900X
General
- Announced
- 2022
- Socket
- AM5
- Process
- 5 nm
- Base TDP
- 170 W
- Max turbo power
- 230 W
- Unlocked multiplier
- Yes
- Cooler included
- No
Cores & Clocks
- Cores
- 12
- Performance cores
- 12
- Efficiency cores
- 0
- Threads
- 24
- Base clock
- 4.7 GHz
- Boost clock
- 5.6 GHz
- L2 cache
- 12 MB
- L3 cache
- 64 MB
Integrated GPU
- iGPU
- AMD Radeon Graphics (2 CU RDNA 2)
- iGPU clock
- 2,200 MHz
Memory
- Memory support
- DDR5-5200
- Max memory
- 128 GB
- Memory channels
- 2
Platform
- PCIe version
- 5
- CPU PCIe lanes
- 28
Benchmarks
- Geekbench 6 (single)
- 2,880
- Geekbench 6 (multi)
- 18,500
- Cinebench R23 (single)
- 2,000
- Cinebench R23 (multi)
- 29,000
- PassMark
- 52,500
Quick answers
Is the AMD Ryzen 9 7900X good in 2026?
The AMD Ryzen 9 7900X earns an Inno Score of 79.7/100 (“Very good”) based on its specs and benchmark results. Twelve Zen 4 cores across two CCDs at a 170 W TDP, built for rendering, compiling and video work rather than games. It occupies an awkward middle ground in 2026: an X3D chip games better and the 7950X does production work faster.
What are the key specs of the AMD Ryzen 9 7900X?
Cores: 12 · Threads: 24 · Boost clock: 5.6 GHz · Socket: AM5
What are the closest alternatives to the AMD Ryzen 9 7900X?
Its closest rivals on InnoReviews are Intel Core i7-14700K, AMD Ryzen 7 9800X3D, Intel Core i7-14700 — open the comparison pages for a spec-by-spec breakdown.